Ruby Issue Tracking System

08/04/2012

11:14 PM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

Yeah, that seems to be restricted to snow leopard. xentronium (Mark A)

08/03/2012

05:48 AM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

Switching `require 'active_record'` with `require 'mysql2'` still crashes the interpreter as long as required file is taken using gems mechanism. xentronium (Mark A)

05:45 AM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

> I can't reproduce on OS X 10.8 ruby 2.0.0dev (2012-08-03 trunk 36602) [x86_64-darwin12.0.0]
That seems right, 10.8 seems to be unaffected.
> ...
1.9.3p194 :002 > require 'active_record'
=> true
1.9.3p194 :003 > $LOADED_... xentronium (Mark A)

05:23 AM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

Another update: I opened up a file `active_record.rb` inside installed activerecord gem and completely commented it out (so that even ActiveRecord is not defined after require 'active_record'). Still crashes. I guess that takes care of g... xentronium (Mark A)

05:09 AM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

Oh, it also reproduced on ruby 2.0.0.dev from current git, so I guess it is still not fixed. xentronium (Mark A)

05:08 AM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

Update: I greatly simplified my test-case.
https://gist.github.com/47e48301aea114e7b1d3
If I remove sleeping threads on line 31 or require 'active_record' on line 1, bug stops reproducing.
Returning back to ruby-lang, as there i... xentronium (Mark A)

02:07 AM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

After some more fiddling it looks like it's mysql2 problem, not ruby's. Will duplicate issue there. xentronium (Mark A)

08/02/2012

11:01 PM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

Confirmed with another 10.6 / 1.9.3-p194. xentronium (Mark A)

10:29 PM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

OS X 10.8 seems to be unaffected. xentronium (Mark A)

09:31 PM Ruby Bug #6825: forking and pthread_cond_timedwait: Invalid argument (EINVAL) on OS X / 1.9.3-p194

ruby 2.0.0dev (2012-08-02 trunk 36596) [x86_64-darwin10.8.0] also does not crash. xentronium (Mark A)