Re: how to crash 2.4.4 w/SBLive

From: David Raufeisen (david@fortyoz.org)
Date: Thu May 31 2001 - 12:59:17 EST


Hi,

I used this patch on 2.4.5, still oops's ..

Warning (compare_maps): ksyms_base symbol __VERSIONED_SYMBOL(shmem_file_setup) not found in System.map. Ignoring ksyms_base entry
Code: 0f b7 a8 84 40 00 00 8d 7d 04 89 54 24 18 8d b4 26 00 00 00
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
   0: 0f b7 a8 84 40 00 00 movzwl 0x4084(%eax),%ebp
Code; 00000007 Before first symbol
   7: 8d 7d 04 lea 0x4(%ebp),%edi
Code; 0000000a Before first symbol
   a: 89 54 24 18 mov %edx,0x18(%esp,1)
Code; 0000000e Before first symbol
   e: 8d b4 26 00 00 00 00 lea 0x0(%esi,1),%esi

Unable to handle kernel paging request at virtual address 3320b9e5
c01b91eb
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c01b91eb>]
EFLAGS: 00210002
eax: 33207961 ebx: 00000000 ecx: c1250000 edx: 00000020
esi: c2879f0c edi: 33207961 ebp: 33207991 esp: c2879edc
ds: 0018 es: 0018 ss: 0018
Process cat (pid: 1550, stackpage=c2879000)
Stack: 00000000 c287e804 33207961 33207991 c02614f8 00000012 c02614d4 00200082
       c01bc853 33207961 00000020 00000012 00000000 00000003 0000ffff 10100001
       00000000 00000002 0000ffff 00000000 00000000 00000000 c287e800 c1250000
Call Trace: [<c01bc853>] [<c01b86c4>] [<c01b8666>] [<c01b4f4f>] [<c012cf46>] [<c0106bab>]
Warning (Oops_read): Code line not seen, dumping what data is available

>>EIP; c01b91eb <sblive_writeptr_tag+2b/c0> <=====
Trace; c01bc853 <emu10k1_voice_free+43/80>
Trace; c01b86c4 <emu10k1_waveout_close+24/40>
Trace; c01b8666 <emu10k1_waveout_open+66/a0>
Trace; c01b4f4f <emu10k1_audio_write+cf/1d0>
Trace; c012cf46 <sys_write+96/d0>
Trace; c0106bab <system_call+33/38>

3 warnings issued. Results may not be reliable.

On Thursday, 31 May 2001, at 12:01:05 (+0200),
rui.sousa@mindspeed.com wrote:

>
> Thank you for the trace. Patch attached, please test it out.
>
> Rui Sousa
>
> P.S: in the future always CC emu10k1-devel, or instead of a 7 day delay in
> getting something fixed the message might just get lost.
>

-- 
David Raufeisen <david@fortyoz.org>
Cell: (604) 818-3596
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This archive was generated by hypermail 2b29 : Thu May 31 2001 - 21:00:52 EST