[MPlayer-users] Segmentation fault in pre5

[Stefan Sassenberg]

On Thu, Oct 21, 2004 at 12:46:58AM +0100, Martin Simmons wrote:
> >>>>> On Mon, 18 Oct 2004 22:17:49 +0200, Stefan Sassenberg <stefan.sassenberg at gmx.de> said:
> 
> These crashes always seem to involve memory accesses near to MMX instructions
> and gdb ofen reports inexplicable register contents.  To me this suggests one
> or more of the following problems:
> 
> 1) your machine could be faulty
> 2) the kind of CPU in your machine might not be 100% MMX-compliant
> 3) your OS might be faulty
> 4) gdb could be broken
> 5) MPlayer's MMX code could be broken
> 
> Since it happens in various different functions, I favour 1, 2 or 3 as the
> reason.
> 
> What is the output from
> 
> cat /proc/cpuinfo
ds9:~ # cat /proc/cpuinfo 
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 6
model           : 6
model name      : AMD Athlon(tm) XP 2100+
stepping        : 2
cpu MHz         : 1741.716
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow
bogomips        : 3424.25

> 
> and which Linux kernel are you running?
ds9:~ # uname -a
Linux ds9 2.4.21-144-athlon #1 Fri Nov 14 00:01:10 UTC 2003 i686 athlon i386 GNU/Linux
(It's a precompiled kernel shipped with SuSE Linux 9.0)

> 
> Also, I suggest you do the following extra gdb command after 'info all-registers'
> next time it crashes:
> 
> x/64x $esp
> 

Regards

Stefan