From: "M. Edward (Ed) Borasky" <znmeb@...>
Date: 2008-07-05T05:50:01+09:00
Subject: [ruby-core:17598] Re: Crashes and hangups on latest 1_8 branch

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Vladimir Sizikov wrote:
> Hi,
> 
> The revision r17874 on 1_8 branch:
>    * eval.c (rb_thread_join): new API.
>     * ext/thread/thread.c (wait_mutex, lock_mutex): wait until the locking
>       thread exits.  [ruby-dev:34856]
> 
> leads to crashes and very hard lock-ups (impossible to kill the script
> by Control-C, only by kill -9).
> 
> This leads to rubyspec run hard hangups.
> 
> Here are the minimized examples:
> 
> 1. This crashes:
> ruby -ve "t = Thread.new {sleep; 5}; p t.value"
> ruby 1.8.7 (2008-07-04 revision 0) [i686-linux]
> -e:1: [BUG] Segmentation fault
> ruby 1.8.7 (2008-07-04 revision 0) [i686-linux]
> 
> Aborted
> 
> 2. This locks hard:
> ruby -ve "t = Thread.new {sleep; 5}; t.run;  p t.value"
> ruby 1.8.7 (2008-07-04 revision 0) [i686-linux]
> 
> Thanks,
>   --Vladimir
> 
> 

Hmmm ... is the "1_8" branch 1.8.7? I thought it was 1.8.8.

Meanwhile, what GCC options are you using?

-- 
M. Edward (Ed) Borasky
http://ruby-perspectives.blogspot.com/

"A mathematician is a machine for turning coffee into theorems." -- 
Alfr��d R��nyi via Paul Erd��s

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