id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,os,architecture,failure,difficulty,testcase,blockedby,blocking,related
5214,SIGSEGV  in yieldCapability (),j.waldmann,simonmar,"the following happens in a program compiled with ghc-7.0.3
(and also, with ghc-6.12.3), running with +RTS -N
on i7-920, ubuntu 11 (kernel 2.6.38-8)

{{{
Program received signal SIGSEGV, Segmentation fault.
0x00000000006071de in yieldCapability ()
(gdb) where
#0  0x00000000006071de in yieldCapability ()
#1  0x000000000060bc6b in schedule ()
#2  0x0000000000609294 in real_main ()
#3  0x000000000060938d in hs_main ()
#4  0x00007ffff6b07eff in __libc_start_main ()
   from /lib/x86_64-linux-gnu/libc.so.6
#5  0x000000000040a589 in _start ()
}}}

cf. http://thread.gmane.org/gmane.comp.lang.haskell.cafe/89244

My program uses STM and FFI.
I am working on boiling down a test case.
I open this ticket to perhaps get some directions.
",bug,closed,high,7.4.2,Runtime System,7.4.1,fixed,,vshabanoff@…,Linux,x86_64 (amd64),Runtime crash,Unknown,,,,