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From: Jochen Hein <jochen@jochen.org>
To: linux-kernel@vger.kernel.org
Subject: Re: [2.5.52, ALSA] Unable to handle kernel paging request at virtual address 32347363
Date: Fri, 20 Dec 2002 20:30:25 +0100	[thread overview]
Message-ID: <87y96kbi9a.fsf@gswi1164.jochen.org> (raw)
In-Reply-To: <87u1hcv4qb.fsf@gswi1164.jochen.org> (Jochen Hein's message of "Tue, 17 Dec 2002 20:30:14 +0100")

Jochen Hein <jochen@jochen.org> writes:

> This is when loading the cs4232 driver for my Thinkpad 600.
>
> Unable to handle kernel paging request at virtual address 32347363
[...]
> How can I decode the addresses in the modules?

Now with CONFIG_KALLSYMS enabled:

root@gswi1164:~# ./alsa start
Starting ALSA sound driver (version 0.9.0rc5):Unable to handle kernel paging request at virtual address 32347363
 printing eip:
c6aae81c
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0060:[<c6aae81c>]    Not tainted
EFLAGS: 00010286
EIP is at gcc2_compiled.+0x1c/0x6c [snd]
eax: c4924664   ebx: 32347363   ecx: c6ab5540   edx: c4924614
esi: c6ab3351   edi: 32347363   ebp: c35eff38   esp: c35eff2c
ds: 0068   es: 0068   ss: 0068
Process modprobe (pid: 15481, threadinfo=c35ee000 task=c2a713a0)
Stack: c4924614 32347363 c6ae17a0 c35eff54 c6aad660 32347363 00000000 00000000
       c6ae17a0 00000004 c35eff90 c6ae407a 00000001 32347363 c6ad3000 00000004
       00000000 00000000 c6ae17a0 00000000 00000010 c6ac3324 c6ac33b4 00000000
Call Trace:
 [<c6ae17a0>] enable+0x0/0x20 [snd_cs4232]
 [<c6aad660>] snd_card_new+0x40/0x24c [snd]
 [<c6ae17a0>] enable+0x0/0x20 [snd_cs4232]
 [<c6ae407a>] +0x7a/0x34c [snd_cs4232]
 [<c6ae17a0>] enable+0x0/0x20 [snd_cs4232]
 [<c6ae436c>] alsa_card_cs423x_init+0x20/0x54 [snd_cs4232]
 [<c012cab7>] sys_init_module+0x113/0x1a4
 [<c0108cd7>] syscall_call+0x7/0xb

Code: ae 75 08 84 c0 75 f8 31 c0 eb 04 19 c0 0c 01 85 c0 74 34 83
 ./alsa: line 261: 15481 Speicherzugriffsfehler  /sbin/modprobe $line >/dev/null 2>&1
 (cs4232)

ksymopps decodes that as:

Code: ae 75 08 84 c0 75 f8 31 c0 eb 04 19 c0 0c 01 85 c0 74 34 83


>>EIP; c6aae81c <END_OF_CODE+667afbc/????>   <=====

Trace; c6ae17a0 <END_OF_CODE+66adf40/????>
Trace; c6aad660 <END_OF_CODE+6679e00/????>
Trace; c6ae17a0 <END_OF_CODE+66adf40/????>
Trace; c6ae407a <END_OF_CODE+66b081a/????>
Trace; c6ae17a0 <END_OF_CODE+66adf40/????>
Trace; c6ae436c <END_OF_CODE+66b0b0c/????>
Trace; c012cab7 <sys_init_module+113/1a4>
Trace; c0108cd7 <syscall_call+7/b>

Code;  c6aae81c <END_OF_CODE+667afbc/????>
00000000 <_EIP>:
Code;  c6aae81c <END_OF_CODE+667afbc/????>   <=====
   0:   ae                        scas   %es:(%edi),%al   <=====
Code;  c6aae81d <END_OF_CODE+667afbd/????>
   1:   75 08                     jne    b <_EIP+0xb>
Code;  c6aae81f <END_OF_CODE+667afbf/????>
   3:   84 c0                     test   %al,%al
Code;  c6aae821 <END_OF_CODE+667afc1/????>
   5:   75 f8                     jne    ffffffff <_EIP+0xffffffff>
Code;  c6aae823 <END_OF_CODE+667afc3/????>
   7:   31 c0                     xor    %eax,%eax
Code;  c6aae825 <END_OF_CODE+667afc5/????>
   9:   eb 04                     jmp    f <_EIP+0xf>
Code;  c6aae827 <END_OF_CODE+667afc7/????>
   b:   19 c0                     sbb    %eax,%eax
Code;  c6aae829 <END_OF_CODE+667afc9/????>
   d:   0c 01                     or     $0x1,%al
Code;  c6aae82b <END_OF_CODE+667afcb/????>
   f:   85 c0                     test   %eax,%eax
Code;  c6aae82d <END_OF_CODE+667afcd/????>
  11:   74 34                     je     47 <_EIP+0x47>
Code;  c6aae82f <END_OF_CODE+667afcf/????>
  13:   83 00 00                  addl   $0x0,(%eax)


1 warning and 1 error issued.  Results may not be reliable.

      reply	other threads:[~2002-12-20 19:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-17 19:13 Jochen Hein
2002-12-20 19:30 ` Jochen Hein [this message]

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