Bug#679526: Bug#638741: test results

[Ron]

On Sun, Jul 01, 2012 at 04:11:59PM +0200, Etienne Millon wrote:
> * Etienne Millon <etienne.millon at gmail.com> [120701 16:08]:
> > (cf attached gdb trace)
> 
> Here it is.

Well, it's exploded from an access inside libao ...

> Program received signal SIGSEGV, Segmentation fault.
> __strlen_sse2_bsf () at ../sysdeps/i386/i686/multiarch/strlen-sse2-bsf.S:52
> 52      ../sysdeps/i386/i686/multiarch/strlen-sse2-bsf.S: No such file or directory.
> (gdb) bt
> #0  __strlen_sse2_bsf () at ../sysdeps/i386/i686/multiarch/strlen-sse2-bsf.S:52
> #1  0xf7e7ed2a in _sanitize_matrix (maxchannels=2, matrix=0x5 <Address 0x5 out of bounds>, device=<error reading variable: Unhandled dwarf expression opcode 0xfa>, 

... but this would seem to indicate libao may have been passed an
already corrupted data structure.

>     device=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at audio_out.c:633
> #2  0xf7e80a02 in _open_device (driver_id=<optimized out>, format=0xffffd318, options=0x0, file=0x0) at audio_out.c:989
> #3  0x082faf8f in ?? ()
> #4  0x082fe4df in ?? ()
> #5  0x082fba24 in ?? ()
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)

... and this more or less means all bets are off for what we are
really seeing here.

You might want to build zsnes with debug symbols and inspect what
happened prior to calling this if you want to debug it further.

 Cheers,
 Ron