Re: XFree + "stonerview" screensaver -> Xfree oops

Diego Calleja (diegocg@teleline.es)
Sat, 6 Jul 2002 20:40:36 +0200


On Fri, 5 Jul 2002 17:08:23 +0200
Diego Calleja <diegocg@teleline.es> escribió:

Jul 5 16:33:36 localhost kernel: Unable to handle kernel NULL pointer dereference at virtual address 0000001c
Jul 5 16:33:36 localhost kernel: c01b41aa
Jul 5 16:33:36 localhost kernel: *pde = 00a63067
Jul 5 16:33:36 localhost kernel: Oops: 0000
Jul 5 16:33:36 localhost kernel: CPU: 0
Jul 5 16:33:36 localhost kernel: EIP: 0010:[sock_poll+30/40] Not tainted
Jul 5 16:33:36 localhost kernel: EFLAGS: 00210282
Jul 5 16:33:36 localhost kernel: eax: 00000000 ebx: c0b4db20 ecx: 00000000 edx: c1bd35b4
Jul 5 16:33:36 localhost kernel: esi: c0b4db20 edi: 00000000 ebp: c1845f70 esp: c1845f28
Jul 5 16:33:36 localhost kernel: ds: 0018 es: 0018 ss: 0018
Jul 5 16:33:36 localhost kernel: Process XFree86 (pid: 310, stackpage=c1845000)
Jul 5 16:33:36 localhost kernel: Stack: c0b4db20 c1bd35b4 00000000 00000000 c013e1d6 c0b4db20 00000000 00000100
Jul 5 16:33:36 localhost kernel: 00000020 c11fff20 00000145 00080000 c1844000 7fffffff 00000013 00000000
Jul 5 16:33:36 localhost kernel: 00000000 c149d000 00000000 c013e62c 00000017 c1845fa8 c1845fa4 c1844000
Jul 5 16:33:36 localhost kernel: Call Trace: [do_select+226/476] [sys_select+820/1156] [system_call+51/64]
Jul 5 16:33:36 localhost kernel: Code: 8b 40 1c ff d0 83 c4 0c 5b c3 53 8b 5c 24 08 8b 43 08 8b 54
Using defaults from ksymoops -t elf32-i386 -a i386

>
>
> >>ebx; c0b4db20 <[apm].bss.end+137801/2cdce1>
> >>edx; c1bd35b4 <[sb].bss.end+9ab8d5/bf0321>
> >>esi; c0b4db20 <[apm].bss.end+137801/2cdce1>
> >>ebp; c1845f70 <[sb].bss.end+61e291/bf0321>
> >>esp; c1845f28 <[sb].bss.end+61e249/bf0321>
>
> Code; 00000000 Before first symbol
> 00000000 <_EIP>:
> Code; 00000000 Before first symbol
> 0: 8b 40 1c mov 0x1c(%eax),%eax
> Code; 00000003 Before first symbol
> 3: ff d0 call *%eax
> Code; 00000005 Before first symbol
> 5: 83 c4 0c add $0xc,%esp
> Code; 00000008 Before first symbol
> 8: 5b pop %ebx
> Code; 00000009 Before first symbol
> 9: c3 ret
> Code; 0000000a Before first symbol
> a: 53 push %ebx
> Code; 0000000b Before first symbol
> b: 8b 5c 24 08 mov 0x8(%esp,1),%ebx
> Code; 0000000f Before first symbol
> f: 8b 43 08 mov 0x8(%ebx),%eax
> Code; 00000012 Before first symbol
> 12: 8b 54 00 00 mov 0x0(%eax,%eax,1),%edx
>
>
> 1 warning issued. Results may not be reliable.
>
> -----------------------------------------------------------------------
> ----------
>
> -When i watch the stopped screen, the image _always_ is the same, the
> screensaver always stops at the same point Any advices of how to
> debug/strace/whatever this?
>
> (after Xfree is hanged, ctrl+alt+Fn does'nt works, so i do sysrq sync +
> reboot, but this is normal...)
>
>
> Regards, Diego Calleja
>
>
-
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