# Deadlock dumps core

**URL:** <https://www.ruby-forum.com/t/deadlock-dumps-core/107575>\
**Category:** Development\
**Created:** [June 23, 2007, 4:08pm UTC](https://www.ruby-forum.com/t/deadlock-dumps-core/107575 "2007-06-23T16:08:05Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![sheepman](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/d07c76/32.png) [@sheepman](https://www.ruby-forum.com/u/sheepman)\
**Post date:** [June 23, 2007, 4:08pm UTC](https://www.ruby-forum.com/t/deadlock-dumps-core/107575/1 "2007-06-23T16:08:05Z")

</div>

e$B$3$s$P$s$O!"e(Bsheepman e$B$G$9!#e(B

e$B$D$.$N$h$&$Je(B deadlock e$B$r5/$3$9%3!\<%I$r\<B9T$9$k$H!"e(B  
ruby-1.8 e$B$,e(B core e$B$rEG$-$^$9!#e(B  
–enable-pthread e$B$G%3%s%Q%$%k$7$F$$$^$9!#e(B  
Linux 2.4.33-0vl0.5 i686  
glibc-2.3.3-3vl1.3  
e$B$G$9!#e(B

$ cat dlck.rb  
Thread.new do  
sleep 0.5  
p 2  
Thread.stop  
end  
sleep 0.1  
p 1  
Thread.stop

$ ruby-1.8 -v dlck.rb  
ruby 1.8.6 (2007-06-18 patchlevel 5000) [i686-linux]  
1  
2  
deadlock 0x4022e6fc: sleep:- (main) - dlck.rb:8  
deadlock 0x40221a4c: sleep:- - dlck.rb:4  
dlck.rb:4: [BUG] Segmentation fault  
ruby 1.8.6 (2007-06-18) [i686-linux]

zsh: abort ruby-1.8 -v dlck.rb

e$B0J2\<$N$h$&$J%Q%C%A$GD\>$j$^$7$?$,!"$"$s$^$jNI$/M}2r$G$-$F$$$J$$$N$G!"\<+?.$O$"$j$^$;$s!#e(B

# $ svn diff eval.c Index: eval.c

— eval.c (revision 12578)  
+++ eval.c (working copy)  
@@ -10527,7 +10527,7 @@  
if (curr\_thread == main\_thread) {  
rb\_exc\_raise(e);  
}

- rb\_thread\_main\_jump(e, RESTORE\_RAISE);

- rb\_thread\_raise(1, &e, main\_thread);  
}

static void

---

<div class="post-metadata">

**Author:** ![sheepman](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/d07c76/32.png) [@sheepman](https://www.ruby-forum.com/u/sheepman)\
**Post date:** [June 24, 2007, 8:16am UTC](https://www.ruby-forum.com/t/deadlock-dumps-core/107575/2 "2007-06-24T08:16:29Z")

</div>

e$B$J$+$@$G$9!#e(B

At Sat, 23 Jun 2007 23:07:05 +0900,  
sheepman wrote in [ruby-dev:31038]:

> e$B$D$.$N$h$&$Je(B deadlock e$B$r5/$3$9%3!\<%I$r\<B9T$9$k$H!"e(B  
> ruby-1.8 e$B$,e(B core e$B$rEG$-$^$9!#e(B  
> –enable-pthread e$B$G%3%s%Q%$%k$7$F$$$^$9!#e(B  
> Linux 2.4.33-0vl0.5 i686  
> glibc-2.3.3-3vl1.3  
> e$B$G$9!#e(B

e$B:F8=$G$-$J$$$N$G$9$,!"$I$3$GMn$A$F$$$k$+$o$+$j$^$9$+!#e(B

> e$B0J2\<$N$h$&$J%Q%C%A$GD\>$j$^$7$?$,!"$"$s$^$jNI$/M}2r$G$-$F$$$J$$$N$G!"\<+?.$O$"$j$^$;$s!#e(B

> - rb\_thread\_main\_jump(e, RESTORE\_RAISE);
> 
> - rb\_thread\_raise(1, &e, main\_thread);

rb\_thread\_save\_context()e$B$He(BTHREAD\_SAVE\_CONTEXT()e$B$N0c$$e(B?