: Re: [MPlayer-users] BUG: mencoder of pre5 crashes everytime
stefan.sassenberg at gmx.de
Thu Aug 26 09:38:28 CEST 2004
Martin Simmons wrote:
>>>>>>On Tue, 17 Aug 2004 13:03:36 +0200, Stefan Sassenberg <stefan.sassenberg at gmx.de> said:
> Stefan> Martin Simmons wrote:
> >> Hi there,
> >> Very sorry for leaving it so long before replying.
> >> The maps output just seems to add to the mystery, because the memory looks OK
> >> there and so I don't understand how the SIGSEGV can happen. Unless gdb is
> >> broken or I've misanalysed it, discrepancies like this can only be caused by a
> >> bug in the OS or in the hardware.
> >> The up command confused the last register dump, so please post one more crash
> >> with the gdb commands (assuming sad16_y2_mmx2 is the topmost function again):
> >> bt
> >> disass $pc-32 $pc+32
> >> info all-registers
> >> disass sad16_y2_mmx2
> >> shell cat /proc/NNNNN/maps
> >> __Martin
> Stefan> Thanks, here you go.
> I'm still not sure what is happening here. The latest crash displays the
> usually "good" register contents that fail to explain the SIGSEGV. I will
> keep looking.
> Possibly your only hope for now is to reconfigure mplayer with --disable-mmx
> (or --disable-mmx2). I've not tried that, but hopefully it will prevent
> sad16_y2_mmx2 from being called.
I'll try that, thank you.
Yesterday I recorded 2hrs from tv with a precompiled 1.0pre3 without
crash. Maybe you can tell from the differences between the versions
where the problem is located, though the precompiled maybe doesn't use
I can also download and test the 1.0pre4 or any other version if you
think it might help.
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