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Ruby 2.2 got rid of rb_thread_blocking_region? #1314

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FooBarWidget opened this issue Dec 3, 2014 · 46 comments
Closed

Ruby 2.2 got rid of rb_thread_blocking_region? #1314

FooBarWidget opened this issue Dec 3, 2014 · 46 comments
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Priority/Critical
Milestone
5.0.0 beta 2

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@FooBarWidget
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It is reported that, when running Passenger under Ruby 2.2, the following error occurs:

passenger_native_support.so: undefined symbol: rb_thread_blocking_region

There have probably been large changes with regard to thread handling. This needs to be investigated.
@peterc
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peterc commented Dec 3, 2014

I just had a look at the main Ruby repo and this might help: https://github.com/ruby/ruby/blob/1c87fee3166c5208e92f1b7779507dd52c3087e1/NEWS

A variety of deprecated C APIs have been removed in Ruby 2.2. More info at https://bugs.ruby-lang.org/issues/9502 - a variety of rb_thread_blocking_* things have been replaced by the "rb_thread_call_without_gvl family" whatever that is ;-)

I don't know if this also helps but Googling some of the terms involved brought up some code where another project has updated their own C code to fit both the old and new style APIs - just in case it's useful in your own research: https://www.mail-archive.com/clogger@librelist.org/msg00022.html

@FooBarWidget FooBarWidget added this to the 5.0.0 beta 2 milestone Dec 12, 2014
@FooBarWidget
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This is odd. I can't reproduce this with ruby-head 2.2.0dev, 2014-12-12.

@FooBarWidget
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Never mind that last comment. :)

FooBarWidget added a commit that referenced this issue Dec 12, 2014
@FooBarWidget
Support Ruby 2.2 rb_thread_call_without_gvl()
bf8de31 
Closes GH-1314.
@yono yono mentioned this issue Dec 25, 2014
Merged
@xenda
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xenda commented Dec 25, 2014

I was just testing Passenger 4.0.55 and Passenger 4.0.56 with Ruby 2.2.0p0 and have find out the problem still exists:

App 22697 stderr: Passenger RackApp: /home/app/app: symbol lookup error: /usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.55/buildout/ruby/ruby-2.2.0-x86-linux/passenger_native_support.so: undefined symbol: rb_thread_blocking_region
2014/12/25 12:05:22 [error] 22688#0: *25 upstream prematurely closed connection while reading response header from upstream, client: 72.46.130.42, server: XXXX, request: "GET / HTTP/1.1", upstream: "passenger:/tmp/passenger.1.0.22668/generation-0/request:"

Any ideas if we are doing something wrong?

@FooBarWidget
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Maybe something went wrong during compilation. Could you run this and tell me what you see?

sudo rm -rf /usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.55/buildout/ruby/ruby-2.2.0-x86-linux
passenger-config build-native-support

@xenda
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xenda commented Dec 26, 2014

Tried compiling it again, removing it and creating it with the build-native-support.

Still failing, but I see the log mentions that symbol:

# /usr/local/bin/ruby /usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby/extconf.rb
checking for alloca.h... yes
checking for ruby/version.h... yes
checking for ruby/io.h... yes
checking for ruby/thread.h... yes
checking for ruby_version... no
checking for rb_thread_io_blocking_region()... no
checking for rb_thread_call_without_gvl()... no
creating Makefile
# make clean && make
compiling /usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby/passenger_native_support.c
/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby/passenger_native_support.c: In function ‘f_generic_writev’:
/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby/passenger_native_support.c:341:6: warning: implicit declaration of function ‘rb_thread_blocking_region’ [-Wimplicit-function-declaration]
      ret = (int) rb_thread_blocking_region(writev_wrapper,
      ^
linking shared-object passenger_native_support.so

@nanaya
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nanaya commented Dec 26, 2014

the referenced commits (0ba44a9, bf8de31) fix usage of rb_thread_io_blocking_region, not rb_thread_blocking_region.

@JamesHarrison
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Can confirm I'm also seeing this with 4.0.56 and 5.0p2.

App 31609 stderr: Passenger RackApp: /home/appname/current: symbol lookup error: /home/appname/.passenger-enterprise/native_support/4.0.56/ruby-2.2.0-x86_64-linux/passenger_native_support.so: undefined symbol: rb_thread_blocking_region

... and 5.x:

App 3192 stderr: Passenger RubyApp: /home/appname/releases/20141226021229: symbol lookup error: /home/appname/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/gems/passenger-enterprise-server-5.0.0.beta2/buildout/ruby/ruby-2.2.0-x86_64-linux/passenger_native_support.so: undefined symbol: rb_thread_blocking_region

The extensions all seem to compile cleanly, though. Tried recompiling without any change.

Edit: @edogawaconan quite right, hadn't spotted. Does that want a new issue creating to track?

@nanaya
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nanaya commented Dec 26, 2014

looking at the deprecation list, rb_thread_io_blocking_region isn't even in it. Hitting wrong target?

(yeah, I'm also getting the same error as everyone else here)

@FooBarWidget
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No, the committed code is correct. We check for rb_thread_call_without_gvl() and use that instead of rb_thread_(io_)blocking_region. The problem is that the rb_thread_call_without_gvl() check fails for some reason, as can be seen in @xenda 's logs.

@xenda Is there an mkmf.log in the directory? If so could you attach it?

@FooBarWidget
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I can't reproduce this error. On OS X, rb_thread_call_without_gvl is detected just fine. Which platforms are you all on?

@nanaya
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nanaya commented Dec 26, 2014

centos 6 for me

@JamesHarrison
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Debian Wheezy here.

@FooBarWidget
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I can't reproduce it on Ubuntu 14.04 either.

@edogawaconan @JamesHarrison and everyone else, can you attach your mkmf.log?

@nanaya
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nanaya commented Dec 26, 2014 

have_header: checking for alloca.h... -------------------- yes

"gcc -o conftest -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/opt/ruby22/lib -Wl,-R/opt/ruby22/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/opt/ruby22/lib -L/opt/ruby22/lib -lruby-static   -lpthread"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: int main(int argc, char **argv)
4: {
5:   return 0;
6: }
/* end */

"gcc -E -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <alloca.h>
/* end */

--------------------

have_header: checking for ruby/version.h... -------------------- yes

"gcc -E -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <ruby/version.h>
/* end */

--------------------

have_header: checking for ruby/io.h... -------------------- yes

"gcc -E -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <ruby/io.h>
/* end */

--------------------

have_header: checking for ruby/thread.h... -------------------- yes

"gcc -E -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <ruby/thread.h>
/* end */

--------------------

have_var: checking for ruby_version... -------------------- no

"gcc -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g   -c conftest.c"
conftest.c: In function ‘t’:
conftest.c:13: error: ‘ruby_version’ undeclared (first use in this function)
conftest.c:13: error: (Each undeclared identifier is reported only once
conftest.c:13: error: for each function it appears in.)
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: /*top*/
 4: extern int t(void);
 5: int main(int argc, char **argv)
 6: {
 7:   if (argc > 1000000) {
 8:     printf("%p", &t);
 9:   }
10: 
11:   return 0;
12: }
13: int t(void) { const volatile void *volatile p; p = &(&ruby_version)[0]; return 0; }
/* end */

--------------------

have_func: checking for rb_thread_io_blocking_region()... -------------------- no

"gcc -o conftest -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/opt/ruby22/lib -Wl,-R/opt/ruby22/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/opt/ruby22/lib -L/opt/ruby22/lib -lruby-static   -lpthread"
conftest.c: In function ‘t’:
conftest.c:13: error: ‘rb_thread_io_blocking_region’ undeclared (first use in this function)
conftest.c:13: error: (Each undeclared identifier is reported only once
conftest.c:13: error: for each function it appears in.)
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: /*top*/
 4: extern int t(void);
 5: int main(int argc, char **argv)
 6: {
 7:   if (argc > 1000000) {
 8:     printf("%p", &t);
 9:   }
10: 
11:   return 0;
12: }
13: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_io_blocking_region; return 0; }
/* end */

"gcc -o conftest -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/opt/ruby22/lib -Wl,-R/opt/ruby22/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/opt/ruby22/lib -L/opt/ruby22/lib -lruby-static   -lpthread"
conftest.c: In function ‘t’:
conftest.c:13: warning: implicit declaration of function ‘rb_thread_io_blocking_region’
/opt/ruby22/lib/libruby-static.a(thread.o): In function `timeofday':
/root/build/ruby-2.2.0/thread.c:1132: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(thread.o): In function `native_cond_timeout':
/root/build/ruby-2.2.0/thread_pthread.c:376: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(thread.o): In function `getclockofday':
/root/build/ruby-2.2.0/thread.c:1059: undefined reference to `clock_gettime'
/root/build/ruby-2.2.0/thread.c:1059: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(thread.o): In function `timeofday':
/root/build/ruby-2.2.0/thread.c:1132: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(thread.o):/root/build/ruby-2.2.0/thread_pthread.c:376: more undefined references to `clock_gettime' follow
/opt/ruby22/lib/libruby-static.a(bignum.o): In function `rb_big_pow':
/root/build/ruby-2.2.0/bignum.c:6305: undefined reference to `pow'
/root/build/ruby-2.2.0/bignum.c:6264: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(gc.o): In function `getrusage_time':
/root/build/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/root/build/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/root/build/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/root/build/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_lgamma':
/root/build/ruby-2.2.0/math.c:893: undefined reference to `lgamma_r'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_gamma':
/root/build/ruby-2.2.0/math.c:862: undefined reference to `tgamma'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_erfc':
/root/build/ruby-2.2.0/math.c:774: undefined reference to `erfc'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_erf':
/root/build/ruby-2.2.0/math.c:753: undefined reference to `erf'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_hypot':
/root/build/ruby-2.2.0/math.c:732: undefined reference to `hypot'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cbrt':
/root/build/ruby-2.2.0/math.c:675: undefined reference to `cbrt'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sqrt':
/root/build/ruby-2.2.0/math.c:632: undefined reference to `sqrt'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_log10':
/root/build/ruby-2.2.0/math.c:590: undefined reference to `log10'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_log2':
/root/build/ruby-2.2.0/math.c:548: undefined reference to `log2'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_log1':
/root/build/ruby-2.2.0/math.c:492: undefined reference to `log'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_exp':
/root/build/ruby-2.2.0/math.c:422: undefined reference to `exp'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_atanh':
/root/build/ruby-2.2.0/math.c:398: undefined reference to `atanh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_asinh':
/root/build/ruby-2.2.0/math.c:369: undefined reference to `asinh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_acosh':
/root/build/ruby-2.2.0/math.c:347: undefined reference to `acosh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_tanh':
/root/build/ruby-2.2.0/math.c:321: undefined reference to `tanh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sinh':
/root/build/ruby-2.2.0/math.c:292: undefined reference to `sinh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cosh':
/root/build/ruby-2.2.0/math.c:263: undefined reference to `cosh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_atan':
/root/build/ruby-2.2.0/math.c:234: undefined reference to `atan'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_asin':
/root/build/ruby-2.2.0/math.c:213: undefined reference to `asin'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_acos':
/root/build/ruby-2.2.0/math.c:187: undefined reference to `acos'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_tan':
/root/build/ruby-2.2.0/math.c:161: undefined reference to `tan'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sin':
/root/build/ruby-2.2.0/math.c:139: undefined reference to `sin'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cos':
/root/build/ruby-2.2.0/math.c:117: undefined reference to `cos'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_atan2':
/root/build/ruby-2.2.0/math.c:94: undefined reference to `atan2'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_exp':
/root/build/ruby-2.2.0/math.c:422: undefined reference to `exp'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cos':
/root/build/ruby-2.2.0/math.c:117: undefined reference to `cos'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sin':
/root/build/ruby-2.2.0/math.c:139: undefined reference to `sin'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cosh':
/root/build/ruby-2.2.0/math.c:263: undefined reference to `cosh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sinh':
/root/build/ruby-2.2.0/math.c:292: undefined reference to `sinh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_hypot':
/root/build/ruby-2.2.0/math.c:732: undefined reference to `hypot'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_ceil':
/root/build/ruby-2.2.0/numeric.c:1652: undefined reference to `ceil'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_floor':
/root/build/ruby-2.2.0/numeric.c:1627: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_truncate':
/root/build/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/root/build/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `ruby_float_step_size':
/root/build/ruby-2.2.0/numeric.c:1911: undefined reference to `floor'
/root/build/ruby-2.2.0/numeric.c:1907: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flodivmod':
/root/build/ruby-2.2.0/numeric.c:901: undefined reference to `fmod'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `ruby_float_step_size':
/root/build/ruby-2.2.0/numeric.c:1911: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_floor':
/root/build/ruby-2.2.0/numeric.c:1627: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_ceil':
/root/build/ruby-2.2.0/numeric.c:1652: undefined reference to `ceil'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_truncate':
/root/build/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/root/build/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/root/build/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_round':
/root/build/ruby-2.2.0/numeric.c:1780: undefined reference to `pow'
/root/build/ruby-2.2.0/numeric.c:1781: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `fix_divide':
/root/build/ruby-2.2.0/numeric.c:3035: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `fix_pow':
/root/build/ruby-2.2.0/numeric.c:3241: undefined reference to `round'
/root/build/ruby-2.2.0/numeric.c:3243: undefined reference to `pow'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/root/build/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_prev_float':
/root/build/ruby-2.2.0/numeric.c:1608: undefined reference to `nextafter'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_next_float':
/root/build/ruby-2.2.0/numeric.c:1556: undefined reference to `nextafter'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/root/build/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_pow':
/root/build/ruby-2.2.0/numeric.c:1033: undefined reference to `round'
/root/build/ruby-2.2.0/numeric.c:1024: undefined reference to `pow'
/root/build/ruby-2.2.0/numeric.c:1035: undefined reference to `pow'
/root/build/ruby-2.2.0/numeric.c:1027: undefined reference to `pow'
/opt/ruby22/lib/libruby-static.a(process.o): In function `rb_clock_gettime':
/root/build/ruby-2.2.0/process.c:7346: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(process.o): In function `rb_clock_getres':
/root/build/ruby-2.2.0/process.c:7485: undefined reference to `clock_getres'
/opt/ruby22/lib/libruby-static.a(string.o): In function `rb_str_crypt':
/root/build/ruby-2.2.0/string.c:7678: undefined reference to `crypt'
/opt/ruby22/lib/libruby-static.a(time.o): In function `time_init_0':
/root/build/ruby-2.2.0/time.c:1901: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(compile.o): In function `insn_data_to_s_detail':
/root/build/ruby-2.2.0/compile.c:5619: undefined reference to `dladdr'
/opt/ruby22/lib/libruby-static.a(iseq.o): In function `rb_insn_operand_intern':
/root/build/ruby-2.2.0/iseq.c:1263: undefined reference to `dladdr'
/opt/ruby22/lib/libruby-static.a(addr2line.o): In function `fill_lines':
/root/build/ruby-2.2.0/addr2line.c:569: undefined reference to `dlopen'
/root/build/ruby-2.2.0/addr2line.c:571: undefined reference to `dlsym'
/root/build/ruby-2.2.0/addr2line.c:573: undefined reference to `dladdr'
/opt/ruby22/lib/libruby-static.a(addr2line.o): In function `rb_dump_backtrace_with_lines':
/root/build/ruby-2.2.0/addr2line.c:703: undefined reference to `dladdr'
/opt/ruby22/lib/libruby-static.a(dln.o): In function `dln_load':
/root/build/ruby-2.2.0/dln.c:1329: undefined reference to `dlopen'
/root/build/ruby-2.2.0/dln.c:1334: undefined reference to `dlsym'
/opt/ruby22/lib/libruby-static.a(dln.o): In function `dln_strerror':
/root/build/ruby-2.2.0/dln.c:1173: undefined reference to `dlerror'
/root/build/ruby-2.2.0/dln.c:1173: undefined reference to `dlerror'
/opt/ruby22/lib/libruby-static.a(dln.o): In function `dln_load':
/root/build/ruby-2.2.0/dln.c:1337: undefined reference to `dlclose'
collect2: ld returned 1 exit status
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: /*top*/
 4: extern int t(void);
 5: int main(int argc, char **argv)
 6: {
 7:   if (argc > 1000000) {
 8:     printf("%p", &t);
 9:   }
10: 
11:   return 0;
12: }
13: int t(void) { rb_thread_io_blocking_region(); return 0; }
/* end */

--------------------

have_func: checking for rb_thread_call_without_gvl()... -------------------- no

"gcc -o conftest -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/opt/ruby22/lib -Wl,-R/opt/ruby22/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/opt/ruby22/lib -L/opt/ruby22/lib -lruby-static   -lpthread"
conftest.c: In function ‘t’:
conftest.c:13: error: ‘rb_thread_call_without_gvl’ undeclared (first use in this function)
conftest.c:13: error: (Each undeclared identifier is reported only once
conftest.c:13: error: for each function it appears in.)
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: /*top*/
 4: extern int t(void);
 5: int main(int argc, char **argv)
 6: {
 7:   if (argc > 1000000) {
 8:     printf("%p", &t);
 9:   }
10: 
11:   return 0;
12: }
13: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_call_without_gvl; return 0; }
/* end */

"gcc -o conftest -I/opt/ruby22/include/ruby-2.2.0/i686-linux -I/opt/ruby22/include/ruby-2.2.0/ruby/backward -I/opt/ruby22/include/ruby-2.2.0 -I.  -D_FILE_OFFSET_BITS=64   -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/opt/ruby22/lib -Wl,-R/opt/ruby22/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/opt/ruby22/lib -L/opt/ruby22/lib -lruby-static   -lpthread"
conftest.c: In function ‘t’:
conftest.c:13: warning: implicit declaration of function ‘rb_thread_call_without_gvl’
/opt/ruby22/lib/libruby-static.a(thread.o): In function `timeofday':
/root/build/ruby-2.2.0/thread.c:1132: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(thread.o): In function `native_cond_timeout':
/root/build/ruby-2.2.0/thread_pthread.c:376: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(thread.o): In function `getclockofday':
/root/build/ruby-2.2.0/thread.c:1059: undefined reference to `clock_gettime'
/root/build/ruby-2.2.0/thread.c:1059: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(thread.o): In function `timeofday':
/root/build/ruby-2.2.0/thread.c:1132: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(thread.o):/root/build/ruby-2.2.0/thread_pthread.c:376: more undefined references to `clock_gettime' follow
/opt/ruby22/lib/libruby-static.a(bignum.o): In function `rb_big_pow':
/root/build/ruby-2.2.0/bignum.c:6305: undefined reference to `pow'
/root/build/ruby-2.2.0/bignum.c:6264: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(gc.o): In function `getrusage_time':
/root/build/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/root/build/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/root/build/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/root/build/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_lgamma':
/root/build/ruby-2.2.0/math.c:893: undefined reference to `lgamma_r'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_gamma':
/root/build/ruby-2.2.0/math.c:862: undefined reference to `tgamma'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_erfc':
/root/build/ruby-2.2.0/math.c:774: undefined reference to `erfc'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_erf':
/root/build/ruby-2.2.0/math.c:753: undefined reference to `erf'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_hypot':
/root/build/ruby-2.2.0/math.c:732: undefined reference to `hypot'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cbrt':
/root/build/ruby-2.2.0/math.c:675: undefined reference to `cbrt'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sqrt':
/root/build/ruby-2.2.0/math.c:632: undefined reference to `sqrt'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_log10':
/root/build/ruby-2.2.0/math.c:590: undefined reference to `log10'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_log2':
/root/build/ruby-2.2.0/math.c:548: undefined reference to `log2'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_log1':
/root/build/ruby-2.2.0/math.c:492: undefined reference to `log'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_exp':
/root/build/ruby-2.2.0/math.c:422: undefined reference to `exp'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_atanh':
/root/build/ruby-2.2.0/math.c:398: undefined reference to `atanh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_asinh':
/root/build/ruby-2.2.0/math.c:369: undefined reference to `asinh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_acosh':
/root/build/ruby-2.2.0/math.c:347: undefined reference to `acosh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_tanh':
/root/build/ruby-2.2.0/math.c:321: undefined reference to `tanh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sinh':
/root/build/ruby-2.2.0/math.c:292: undefined reference to `sinh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cosh':
/root/build/ruby-2.2.0/math.c:263: undefined reference to `cosh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_atan':
/root/build/ruby-2.2.0/math.c:234: undefined reference to `atan'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_asin':
/root/build/ruby-2.2.0/math.c:213: undefined reference to `asin'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_acos':
/root/build/ruby-2.2.0/math.c:187: undefined reference to `acos'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_tan':
/root/build/ruby-2.2.0/math.c:161: undefined reference to `tan'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sin':
/root/build/ruby-2.2.0/math.c:139: undefined reference to `sin'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cos':
/root/build/ruby-2.2.0/math.c:117: undefined reference to `cos'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_atan2':
/root/build/ruby-2.2.0/math.c:94: undefined reference to `atan2'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_exp':
/root/build/ruby-2.2.0/math.c:422: undefined reference to `exp'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cos':
/root/build/ruby-2.2.0/math.c:117: undefined reference to `cos'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sin':
/root/build/ruby-2.2.0/math.c:139: undefined reference to `sin'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_cosh':
/root/build/ruby-2.2.0/math.c:263: undefined reference to `cosh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_sinh':
/root/build/ruby-2.2.0/math.c:292: undefined reference to `sinh'
/opt/ruby22/lib/libruby-static.a(math.o): In function `math_hypot':
/root/build/ruby-2.2.0/math.c:732: undefined reference to `hypot'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_ceil':
/root/build/ruby-2.2.0/numeric.c:1652: undefined reference to `ceil'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_floor':
/root/build/ruby-2.2.0/numeric.c:1627: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_truncate':
/root/build/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/root/build/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `ruby_float_step_size':
/root/build/ruby-2.2.0/numeric.c:1911: undefined reference to `floor'
/root/build/ruby-2.2.0/numeric.c:1907: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flodivmod':
/root/build/ruby-2.2.0/numeric.c:901: undefined reference to `fmod'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `ruby_float_step_size':
/root/build/ruby-2.2.0/numeric.c:1911: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_floor':
/root/build/ruby-2.2.0/numeric.c:1627: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_ceil':
/root/build/ruby-2.2.0/numeric.c:1652: undefined reference to `ceil'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_truncate':
/root/build/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/root/build/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/root/build/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_round':
/root/build/ruby-2.2.0/numeric.c:1780: undefined reference to `pow'
/root/build/ruby-2.2.0/numeric.c:1781: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `fix_divide':
/root/build/ruby-2.2.0/numeric.c:3035: undefined reference to `floor'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `fix_pow':
/root/build/ruby-2.2.0/numeric.c:3241: undefined reference to `round'
/root/build/ruby-2.2.0/numeric.c:3243: undefined reference to `pow'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/root/build/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_prev_float':
/root/build/ruby-2.2.0/numeric.c:1608: undefined reference to `nextafter'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_next_float':
/root/build/ruby-2.2.0/numeric.c:1556: undefined reference to `nextafter'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/root/build/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/opt/ruby22/lib/libruby-static.a(numeric.o): In function `flo_pow':
/root/build/ruby-2.2.0/numeric.c:1033: undefined reference to `round'
/root/build/ruby-2.2.0/numeric.c:1024: undefined reference to `pow'
/root/build/ruby-2.2.0/numeric.c:1035: undefined reference to `pow'
/root/build/ruby-2.2.0/numeric.c:1027: undefined reference to `pow'
/opt/ruby22/lib/libruby-static.a(process.o): In function `rb_clock_gettime':
/root/build/ruby-2.2.0/process.c:7346: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(process.o): In function `rb_clock_getres':
/root/build/ruby-2.2.0/process.c:7485: undefined reference to `clock_getres'
/opt/ruby22/lib/libruby-static.a(string.o): In function `rb_str_crypt':
/root/build/ruby-2.2.0/string.c:7678: undefined reference to `crypt'
/opt/ruby22/lib/libruby-static.a(time.o): In function `time_init_0':
/root/build/ruby-2.2.0/time.c:1901: undefined reference to `clock_gettime'
/opt/ruby22/lib/libruby-static.a(compile.o): In function `insn_data_to_s_detail':
/root/build/ruby-2.2.0/compile.c:5619: undefined reference to `dladdr'
/opt/ruby22/lib/libruby-static.a(iseq.o): In function `rb_insn_operand_intern':
/root/build/ruby-2.2.0/iseq.c:1263: undefined reference to `dladdr'
/opt/ruby22/lib/libruby-static.a(addr2line.o): In function `fill_lines':
/root/build/ruby-2.2.0/addr2line.c:569: undefined reference to `dlopen'
/root/build/ruby-2.2.0/addr2line.c:571: undefined reference to `dlsym'
/root/build/ruby-2.2.0/addr2line.c:573: undefined reference to `dladdr'
/opt/ruby22/lib/libruby-static.a(addr2line.o): In function `rb_dump_backtrace_with_lines':
/root/build/ruby-2.2.0/addr2line.c:703: undefined reference to `dladdr'
/opt/ruby22/lib/libruby-static.a(dln.o): In function `dln_load':
/root/build/ruby-2.2.0/dln.c:1329: undefined reference to `dlopen'
/root/build/ruby-2.2.0/dln.c:1334: undefined reference to `dlsym'
/opt/ruby22/lib/libruby-static.a(dln.o): In function `dln_strerror':
/root/build/ruby-2.2.0/dln.c:1173: undefined reference to `dlerror'
/root/build/ruby-2.2.0/dln.c:1173: undefined reference to `dlerror'
/opt/ruby22/lib/libruby-static.a(dln.o): In function `dln_load':
/root/build/ruby-2.2.0/dln.c:1337: undefined reference to `dlclose'
collect2: ld returned 1 exit status
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: /*top*/
 4: extern int t(void);
 5: int main(int argc, char **argv)
 6: {
 7:   if (argc > 1000000) {
 8:     printf("%p", &t);
 9:   }
10: 
11:   return 0;
12: }
13: int t(void) { rb_thread_call_without_gvl(); return 0; }
/* end */

--------------------

@FooBarWidget
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I see the problem now and I also see why I can't reproduce the bug. It's because you guys compiled Ruby 2.2.0 from source, with a static libruby. However, due to what looks like a bug in Ruby's build system, the wrong compiler flags are passed when compiling native extensions, resulting in autodetection failures even though they should have passed.

This should be reported to the Ruby authors. As a workaround, you can compile Ruby with dynamic libruby instead of static libruby.

@varyform
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Same issue on ubuntu 14.04.1.

mkdir -p 'buildout/ruby/ruby-2.2.0-x86_64-linux/'
cd 'buildout/ruby/ruby-2.2.0-x86_64-linux/' && /opt/rbenv/versions/2.2.0/bin/ruby '/opt/rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby/extconf.rb'
checking for alloca.h... yes
checking for ruby/version.h... yes
checking for ruby/io.h... yes
checking for ruby/thread.h... yes
checking for ruby_version... no
checking for rb_thread_io_blocking_region()... no
checking for rb_thread_call_without_gvl()... no
creating Makefile
cd 'buildout/ruby/ruby-2.2.0-x86_64-linux/' && make
compiling /opt/rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby/passenger_native_support.c
/opt/rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby/passenger_native_support.c: In function ‘f_generic_writev’:
/opt/rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby/passenger_native_support.c:341:6: warning: implicit declaration of function ‘rb_thread_blocking_region’ [-Wimplicit-function-declaration]
      ret = (int) rb_thread_blocking_region(writev_wrapper,
      ^
linking shared-object passenger_native_support.so

However everything is ok on 2nd ubuntu box.
The only differences there is that failing version is built with http_secure_link_module.
Gonna experiment with that and post here details if any.

@varyform
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@FooBarWidget oh.. seems like rvm compiles it right but rbenv not.

@xenda
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xenda commented Dec 26, 2014

I'm currently compiling Ruby with the dynamic library. Will report in a couple of minutes if everything goes right.

@FooBarWidget
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@varyform I've already figured out what the problem is. See my comment above. I'm reporting an issue to the Ruby authors right now.

@FooBarWidget
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The bug report is here: https://bugs.ruby-lang.org/issues/10656

@xenda
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xenda commented Dec 26, 2014

After recompiling as suggested, it's working now. @FooBarWidget Thanks a lot for the help figuring this out.

Have an awesome weekend!

@varyform
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Yeah, works fine with CONFIGURE_OPTS=--enable-shared rbenv install 2.2.0

@gbuesing
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I'm getting this error on Heroku with Passenger 4.0.56 and the Ruby version in my Gemfile set to "2.2.0":

Passenger RackApp: /app: symbol lookup error: /app/vendor/bundle/ruby/2.2.0/gems/passenger-4.0.56/buildout/ruby/ruby-2.2.0-x86_64-linux/passenger_native_support.so: undefined symbol: rb_thread_blocking_region

@jvdgeest
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I'm having the same issue on Ubuntu 14.04 using rbenv, ruby 2.2.0 and Passenger 4.0.56. I tried compiling ruby using @varyform's suggestion, but that didn't help. From the log:

App 10075 stderr: Passenger RackApp: /srv/www/.../current: symbol lookup error: /home/deploy/.passenger/native_support/4.0.56/ruby-2.2.0-x86_64-linux/passenger_native_support.so: undefined symbol: rb_thread_blocking_region

Edit: after a clean install I had more luck. Seems to work now, thanks @FooBarWidget and @varyform :)

@nanaya
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nanaya commented Dec 28, 2014

just dropping in to say --enable-shared also "fixed" it for me.

(in quote because it's to work around a bug in ruby)

@toncid
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toncid commented Dec 30, 2014

+1

I'm getting this error after a Ruby 2.2 upgrade on Heroku (Passenger v4.0.56). Any suggestions on how to address this issue there?

Thanks!

@FooBarWidget
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@toncid @gbuesing You guys should contact Heroku and complain to them, referring to https://bugs.ruby-lang.org/issues/10656. Alternatively, you can work around this problem by setting the PASSENGER_USE_RUBY_NATIVE_SUPPORT=0 environment variable to disable use of native_support in Passenger.

@FooBarWidget
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Wait, maybe I spoke too soon. I got some feedback from the Ruby core team, and this issue might be caused by Passenger after all. I'm investigating.

@FooBarWidget
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This appears to be a Passenger bug after all. In mkmf.rb we clear $LIBS in order to fix #168, but that fix appears to cause issues with static libruby, and for some reason only on Ruby 2.2.

I've pushed an experimental patch to the fix_static_libruby branch, but I need help to verify whether it fixes the problem. With that patch, Passenger should work even if you use a static libruby. Could anyone confirm that it works?

@thomasdarde
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I have a compilation timeout on heroku with fix_static_libruby branch

@FooBarWidget
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You can't use the branch on Heroku yet because compilation doesn't work on Heroku. It'll only work on Heroku after we've released binaries.

Can someone who's not on Heroku verify that the fix works?

@toncid
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toncid commented Dec 30, 2014

@FooBarWidget Can you please explain implications that PASSENGER_USE_RUBY_NATIVE_SUPPORT=0 brings? I'd like to understand what it turns off and at what (performance-wise) cost.

Also, I believe this ticket should be reopened until it's fixed.

@FooBarWidget
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@toncid It turns off use of the native extension, causing Passenger to fallback to pure-Ruby code. The native extension contains micro-optimized code paths for things like I/O, sockets, etc. Turning it off has a small performance impact, but it's probably unnoticeable outside of hello world benchmarks.

@decasia
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decasia commented Dec 30, 2014

@FooBarWidget, for what it's worth, I just installed your fix_static_libruby branch (on Ubuntu 12.04 with statically built Ruby 2.2.0) and still see the undefined symbol: rb_thread_blocking_region error when trying to start applications. If there's any specific debugging information that would be helpful, I'd be happy to provide it.

(I used specific_install to pull in the code from Github, for what it's worth.)

@FooBarWidget
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@decasia Could you provide me with your mkmf.log?

@decasia
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decasia commented Dec 30, 2014 

have_header: checking for alloca.h... -------------------- yes

"gcc -o conftest -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/usr/local/lib -Wl,-R/usr/local/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/usr/local/lib -L/usr/local/lib -lruby-static   -lpthread"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: int main(int argc, char **argv)
4: {
5:   return 0;
6: }
/* end */

"gcc -E -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <alloca.h>
/* end */

--------------------

have_header: checking for ruby/version.h... -------------------- yes

"gcc -E -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <ruby/version.h>
/* end */

--------------------

have_header: checking for ruby/io.h... -------------------- yes

"gcc -E -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <ruby/io.h>
/* end */

--------------------

have_header: checking for ruby/thread.h... -------------------- yes

"gcc -E -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <ruby/thread.h>
/* end */

--------------------

have_var: checking for ruby_version... -------------------- no

"gcc -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g   -c conftest.c"
conftest.c: In function ‘t’:
conftest.c:13:55: error: ‘ruby_version’ undeclared (first use in this function)
conftest.c:13:55: note: each undeclared identifier is reported only once for each function it appears in
conftest.c:13:45: warning: variable ‘p’ set but not used [-Wunused-but-set-variable]
checked program was:
/* begin */
 1: #include "ruby.h"
 2:
 3: /*top*/
 4: extern int t(void);
 5: int main(int argc, char **argv)
 6: {
 7:   if (argc > 1000000) {
 8:     printf("%p", &t);
 9:   }
10:
11:   return 0;
12: }
13: int t(void) { const volatile void *volatile p; p = &(&ruby_version)[0]; return 0; }
/* end */

--------------------

have_func: checking for rb_thread_io_blocking_region() in ruby/io.h... -------------------- no

"gcc -o conftest -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/usr/local/lib -Wl,-R/usr/local/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/usr/local/lib -L/usr/local/lib -lruby-static   -lpthread"
conftest.c: In function ‘t’:
conftest.c:15:57: error: ‘rb_thread_io_blocking_region’ undeclared (first use in this function)
conftest.c:15:57: note: each undeclared identifier is reported only once for each function it appears in
conftest.c:15:32: warning: variable ‘p’ set but not used [-Wunused-but-set-variable]
checked program was:
/* begin */
 1: #include "ruby.h"
 2:
 3: #include <ruby/io.h>
 4:
 5: /*top*/
 6: extern int t(void);
 7: int main(int argc, char **argv)
 8: {
 9:   if (argc > 1000000) {
10:     printf("%p", &t);
11:   }
12:
13:   return 0;
14: }
15: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_io_blocking_region; return 0; }
/* end */

"gcc -o conftest -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/usr/local/lib -Wl,-R/usr/local/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/usr/local/lib -L/usr/local/lib -lruby-static   -lpthread"
conftest.c: In function ‘t’:
conftest.c:15:1: warning: implicit declaration of function ‘rb_thread_io_blocking_region’ [-Wimplicit-function-declaration]
/usr/local/lib/libruby-static.a(bignum.o): In function `rb_big_pow':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/bignum.c:6305: undefined reference to `pow'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/bignum.c:6264: undefined reference to `round'
/usr/local/lib/libruby-static.a(gc.o): In function `getrusage_time':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(numeric.o): In function `ruby_float_step_size':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1907: undefined reference to `floor'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1911: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `flodivmod':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:901: undefined reference to `fmod'
/usr/local/lib/libruby-static.a(numeric.o): In function `ruby_float_step_size':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1911: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_floor':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1627: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_ceil':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1652: undefined reference to `ceil'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_floor':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1627: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_truncate':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_ceil':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1652: undefined reference to `ceil'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_prev_float':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1608: undefined reference to `nextafter'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_next_float':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1556: undefined reference to `nextafter'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_pow':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1035: undefined reference to `pow'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1033: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `fix_pow':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:3241: undefined reference to `round'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:3243: undefined reference to `pow'
/usr/local/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `fix_divide':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:3035: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_round':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1780: undefined reference to `pow'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1781: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_truncate':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/usr/local/lib/libruby-static.a(process.o): In function `rb_clock_gettime':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/process.c:7346: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(process.o): In function `rb_clock_getres':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/process.c:7485: undefined reference to `clock_getres'
/usr/local/lib/libruby-static.a(string.o): In function `rb_str_crypt':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/string.c:7678: undefined reference to `crypt'
/usr/local/lib/libruby-static.a(time.o): In function `time_init_0':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/time.c:1901: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(iseq.o): In function `rb_insn_operand_intern':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/iseq.c:1263: undefined reference to `dladdr'
/usr/local/lib/libruby-static.a(thread.o): In function `native_cond_timeout':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread_pthread.c:376: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(thread.o): In function `timeofday':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1132: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(thread.o): In function `getclockofday':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1059: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1059: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(thread.o): In function `timeofday':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1132: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(thread.o):/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1132: more undefined references to `clock_gettime' follow
/usr/local/lib/libruby-static.a(math.o): In function `math_log1':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:492: undefined reference to `log'
/usr/local/lib/libruby-static.a(math.o): In function `math_erfc':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:774: undefined reference to `erfc'
/usr/local/lib/libruby-static.a(math.o): In function `math_erf':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:753: undefined reference to `erf'
/usr/local/lib/libruby-static.a(math.o): In function `math_hypot':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:732: undefined reference to `hypot'
/usr/local/lib/libruby-static.a(math.o): In function `math_cbrt':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:675: undefined reference to `cbrt'
/usr/local/lib/libruby-static.a(math.o): In function `math_exp':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:422: undefined reference to `exp'
/usr/local/lib/libruby-static.a(math.o): In function `math_asinh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:369: undefined reference to `asinh'
/usr/local/lib/libruby-static.a(math.o): In function `math_acosh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:347: undefined reference to `acosh'
/usr/local/lib/libruby-static.a(math.o): In function `math_tanh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:321: undefined reference to `tanh'
/usr/local/lib/libruby-static.a(math.o): In function `math_sinh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:292: undefined reference to `sinh'
/usr/local/lib/libruby-static.a(math.o): In function `math_cosh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:263: undefined reference to `cosh'
/usr/local/lib/libruby-static.a(math.o): In function `math_atan':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:234: undefined reference to `atan'
/usr/local/lib/libruby-static.a(math.o): In function `math_asin':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:213: undefined reference to `asin'
/usr/local/lib/libruby-static.a(math.o): In function `math_acos':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:187: undefined reference to `acos'
/usr/local/lib/libruby-static.a(math.o): In function `math_tan':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:161: undefined reference to `tan'
/usr/local/lib/libruby-static.a(math.o): In function `math_sin':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:139: undefined reference to `sin'
/usr/local/lib/libruby-static.a(math.o): In function `math_cos':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:117: undefined reference to `cos'
/usr/local/lib/libruby-static.a(math.o): In function `math_sqrt':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:632: undefined reference to `sqrt'
/usr/local/lib/libruby-static.a(math.o): In function `math_log10':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:590: undefined reference to `log10'
/usr/local/lib/libruby-static.a(math.o): In function `math_log2':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:548: undefined reference to `log2'
/usr/local/lib/libruby-static.a(math.o): In function `math_lgamma':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:893: undefined reference to `lgamma_r'
/usr/local/lib/libruby-static.a(math.o): In function `math_atanh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:398: undefined reference to `atanh'
/usr/local/lib/libruby-static.a(math.o): In function `math_atan2':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:94: undefined reference to `atan2'
/usr/local/lib/libruby-static.a(math.o): In function `math_gamma':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:862: undefined reference to `tgamma'
/usr/local/lib/libruby-static.a(math.o): In function `math_cos':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:117: undefined reference to `cos'
/usr/local/lib/libruby-static.a(math.o): In function `math_cosh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:263: undefined reference to `cosh'
/usr/local/lib/libruby-static.a(math.o): In function `math_exp':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:422: undefined reference to `exp'
/usr/local/lib/libruby-static.a(math.o): In function `math_sin':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:139: undefined reference to `sin'
/usr/local/lib/libruby-static.a(math.o): In function `math_sinh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:292: undefined reference to `sinh'
/usr/local/lib/libruby-static.a(compile.o): In function `insn_data_to_s_detail':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/compile.c:5619: undefined reference to `dladdr'
/usr/local/lib/libruby-static.a(addr2line.o): In function `fill_lines':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/addr2line.c:569: undefined reference to `dlopen'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/addr2line.c:571: undefined reference to `dlsym'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/addr2line.c:573: undefined reference to `dladdr'
/usr/local/lib/libruby-static.a(addr2line.o): In function `rb_dump_backtrace_with_lines':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/addr2line.c:703: undefined reference to `dladdr'
/usr/local/lib/libruby-static.a(dln.o): In function `dln_load':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1329: undefined reference to `dlopen'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1334: undefined reference to `dlsym'
/usr/local/lib/libruby-static.a(dln.o): In function `dln_strerror':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1173: undefined reference to `dlerror'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1173: undefined reference to `dlerror'
/usr/local/lib/libruby-static.a(dln.o): In function `dln_load':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1337: undefined reference to `dlclose'
collect2: ld returned 1 exit status
checked program was:
/* begin */
 1: #include "ruby.h"
 2:
 3: #include <ruby/io.h>
 4:
 5: /*top*/
 6: extern int t(void);
 7: int main(int argc, char **argv)
 8: {
 9:   if (argc > 1000000) {
10:     printf("%p", &t);
11:   }
12:
13:   return 0;
14: }
15: int t(void) { rb_thread_io_blocking_region(); return 0; }
/* end */

--------------------

have_func: checking for rb_thread_call_without_gvl() in ruby/thread.h... -------------------- no

"gcc -o conftest -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/usr/local/lib -Wl,-R/usr/local/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/usr/local/lib -L/usr/local/lib -lruby-static   -lpthread"
conftest.c: In function ‘t’:
conftest.c:15:32: warning: variable ‘p’ set but not used [-Wunused-but-set-variable]
/usr/local/lib/libruby-static.a(bignum.o): In function `rb_big_pow':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/bignum.c:6305: undefined reference to `pow'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/bignum.c:6264: undefined reference to `round'
/usr/local/lib/libruby-static.a(gc.o): In function `getrusage_time':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/gc.c:7972: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(numeric.o): In function `ruby_float_step_size':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1907: undefined reference to `floor'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1911: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `flodivmod':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:901: undefined reference to `fmod'
/usr/local/lib/libruby-static.a(numeric.o): In function `ruby_float_step_size':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1911: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_floor':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1627: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_ceil':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1652: undefined reference to `ceil'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_floor':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1627: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_truncate':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_ceil':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1652: undefined reference to `ceil'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_prev_float':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1608: undefined reference to `nextafter'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_next_float':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1556: undefined reference to `nextafter'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_pow':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1035: undefined reference to `pow'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1033: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `fix_pow':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:3241: undefined reference to `round'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:3243: undefined reference to `pow'
/usr/local/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `fix_divide':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:3035: undefined reference to `floor'
/usr/local/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_round':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1780: undefined reference to `pow'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1781: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `dbl2ival':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:969: undefined reference to `round'
/usr/local/lib/libruby-static.a(numeric.o): In function `flo_truncate':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1801: undefined reference to `floor'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/numeric.c:1802: undefined reference to `ceil'
/usr/local/lib/libruby-static.a(process.o): In function `rb_clock_gettime':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/process.c:7346: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(process.o): In function `rb_clock_getres':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/process.c:7485: undefined reference to `clock_getres'
/usr/local/lib/libruby-static.a(string.o): In function `rb_str_crypt':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/string.c:7678: undefined reference to `crypt'
/usr/local/lib/libruby-static.a(time.o): In function `time_init_0':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/time.c:1901: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(iseq.o): In function `rb_insn_operand_intern':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/iseq.c:1263: undefined reference to `dladdr'
/usr/local/lib/libruby-static.a(thread.o): In function `native_cond_timeout':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread_pthread.c:376: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(thread.o): In function `timeofday':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1132: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(thread.o): In function `getclockofday':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1059: undefined reference to `clock_gettime'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1059: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(thread.o): In function `timeofday':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1132: undefined reference to `clock_gettime'
/usr/local/lib/libruby-static.a(thread.o):/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/thread.c:1132: more undefined references to `clock_gettime' follow
/usr/local/lib/libruby-static.a(math.o): In function `math_log1':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:492: undefined reference to `log'
/usr/local/lib/libruby-static.a(math.o): In function `math_erfc':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:774: undefined reference to `erfc'
/usr/local/lib/libruby-static.a(math.o): In function `math_erf':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:753: undefined reference to `erf'
/usr/local/lib/libruby-static.a(math.o): In function `math_hypot':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:732: undefined reference to `hypot'
/usr/local/lib/libruby-static.a(math.o): In function `math_cbrt':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:675: undefined reference to `cbrt'
/usr/local/lib/libruby-static.a(math.o): In function `math_exp':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:422: undefined reference to `exp'
/usr/local/lib/libruby-static.a(math.o): In function `math_asinh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:369: undefined reference to `asinh'
/usr/local/lib/libruby-static.a(math.o): In function `math_acosh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:347: undefined reference to `acosh'
/usr/local/lib/libruby-static.a(math.o): In function `math_tanh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:321: undefined reference to `tanh'
/usr/local/lib/libruby-static.a(math.o): In function `math_sinh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:292: undefined reference to `sinh'
/usr/local/lib/libruby-static.a(math.o): In function `math_cosh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:263: undefined reference to `cosh'
/usr/local/lib/libruby-static.a(math.o): In function `math_atan':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:234: undefined reference to `atan'
/usr/local/lib/libruby-static.a(math.o): In function `math_asin':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:213: undefined reference to `asin'
/usr/local/lib/libruby-static.a(math.o): In function `math_acos':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:187: undefined reference to `acos'
/usr/local/lib/libruby-static.a(math.o): In function `math_tan':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:161: undefined reference to `tan'
/usr/local/lib/libruby-static.a(math.o): In function `math_sin':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:139: undefined reference to `sin'
/usr/local/lib/libruby-static.a(math.o): In function `math_cos':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:117: undefined reference to `cos'
/usr/local/lib/libruby-static.a(math.o): In function `math_sqrt':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:632: undefined reference to `sqrt'
/usr/local/lib/libruby-static.a(math.o): In function `math_log10':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:590: undefined reference to `log10'
/usr/local/lib/libruby-static.a(math.o): In function `math_log2':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:548: undefined reference to `log2'
/usr/local/lib/libruby-static.a(math.o): In function `math_lgamma':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:893: undefined reference to `lgamma_r'
/usr/local/lib/libruby-static.a(math.o): In function `math_atanh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:398: undefined reference to `atanh'
/usr/local/lib/libruby-static.a(math.o): In function `math_atan2':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:94: undefined reference to `atan2'
/usr/local/lib/libruby-static.a(math.o): In function `math_gamma':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:862: undefined reference to `tgamma'
/usr/local/lib/libruby-static.a(math.o): In function `math_cos':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:117: undefined reference to `cos'
/usr/local/lib/libruby-static.a(math.o): In function `math_cosh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:263: undefined reference to `cosh'
/usr/local/lib/libruby-static.a(math.o): In function `math_exp':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:422: undefined reference to `exp'
/usr/local/lib/libruby-static.a(math.o): In function `math_sin':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:139: undefined reference to `sin'
/usr/local/lib/libruby-static.a(math.o): In function `math_sinh':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/math.c:292: undefined reference to `sinh'
/usr/local/lib/libruby-static.a(compile.o): In function `insn_data_to_s_detail':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/compile.c:5619: undefined reference to `dladdr'
/usr/local/lib/libruby-static.a(addr2line.o): In function `fill_lines':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/addr2line.c:569: undefined reference to `dlopen'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/addr2line.c:571: undefined reference to `dlsym'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/addr2line.c:573: undefined reference to `dladdr'
/usr/local/lib/libruby-static.a(addr2line.o): In function `rb_dump_backtrace_with_lines':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/addr2line.c:703: undefined reference to `dladdr'
/usr/local/lib/libruby-static.a(dln.o): In function `dln_load':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1329: undefined reference to `dlopen'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1334: undefined reference to `dlsym'
/usr/local/lib/libruby-static.a(dln.o): In function `dln_strerror':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1173: undefined reference to `dlerror'
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1173: undefined reference to `dlerror'
/usr/local/lib/libruby-static.a(dln.o): In function `dln_load':
/tmp/tmp.O0rMUJuRLh/ruby-2.2.0/dln.c:1337: undefined reference to `dlclose'
collect2: ld returned 1 exit status
checked program was:
/* begin */
 1: #include "ruby.h"
 2:
 3: #include <ruby/thread.h>
 4:
 5: /*top*/
 6: extern int t(void);
 7: int main(int argc, char **argv)
 8: {
 9:   if (argc > 1000000) {
10:     printf("%p", &t);
11:   }
12:
13:   return 0;
14: }
15: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_call_without_gvl; return 0; }
/* end */

"gcc -o conftest -I/usr/local/include/ruby-2.2.0/x86_64-linux -I/usr/local/include/ruby-2.2.0/ruby/backward -I/usr/local/include/ruby-2.2.0 -I/usr/local/lib/ruby/gems/2.2.0/gems/passenger-4.0.56/ext/ruby     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat -g conftest.c  -L. -L/usr/local/lib -Wl,-R/usr/local/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-R/usr/local/lib -L/usr/local/lib -lruby-static   -lpthread"
conftest.c: In function ‘t’:
conftest.c:15:1: error: too few arguments to function ‘rb_thread_call_without_gvl’
/usr/local/include/ruby-2.2.0/ruby/thread.h:28:7: note: declared here
checked program was:
/* begin */
 1: #include "ruby.h"
 2:
 3: #include <ruby/thread.h>
 4:
 5: /*top*/
 6: extern int t(void);
 7: int main(int argc, char **argv)
 8: {
 9:   if (argc > 1000000) {
10:     printf("%p", &t);
11:   }
12:
13:   return 0;
14: }
15: int t(void) { rb_thread_call_without_gvl(); return 0; }
/* end */

--------------------

@FooBarWidget
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Hm, it does not appear to be possible to fix this issue without also breaking #168. :(

I've committed the final fix to the stable-4.0 and the master branch. Let's hope that #168 is no longer relevant nowadays with newer Ruby versions.

@decasia
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decasia commented Dec 31, 2014

Thanks very much, @FooBarWidget, the revised patch works perfectly on my Ubuntu 12.04/ruby-2.2.0-from-source system. Much appreciated.

Any chance of getting a gem release of 4.0.57?

@FooBarWidget
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Yes, it will be released soon, probably on Friday.

@Ch4s3
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Ch4s3 commented Jan 2, 2015

@FooBarWidget Any word on whether or not this will get released today?

@FooBarWidget
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That depends on QA results. If it's not today, probably Monday.

@Ch4s3
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Ch4s3 commented Jan 2, 2015

Awesome! Thanks @FooBarWidget

@scott-stewart
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I noticed that 4.0.57 was recently pushed to ruby gems and confirm that all is well now on a Heroku Ruby 2.2.0 app.

@FooBarWidget
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Yes, 4.0.57 is released, though I'm still working on the release announcement.

@skinney6 skinney6 mentioned this issue Feb 3, 2015
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@roydq
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roydq commented Mar 2, 2015

I just updated to 4.0.59 and for some reason this started showing up on one of my web servers again? Not sure what to make of it. All apps running on 2.2.0 via rbenv, installed with ruby-build. Passenger installed via apt-get on ubuntu 14.04.

symbol lookup error: /home/deploy/.passenger-enterprise/native_support/4.0.59/ruby-2.2.0-x86_64-linux/passenger_native_support.so: undefined symbol: rb_thread_blocking_region

@nico-osd nico-osd mentioned this issue Mar 12, 2015
Closed
@wagenet wagenet mentioned this issue Jul 25, 2015
Closed
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