[Fwd: Re: PROBLEM: Oops in 2.4.18 (swapper)]

From: Raphael Wegmann (wegmann@psi.co.at)
Date: Sun Jul 14 2002 - 15:12:18 EST


Hello,

I've just forgot to cc THE LIST.


attached mail follows:


Am Son, 2002-07-14 um 16.39 schrieb Adrian Bunk:
> On 12 Jul 2002, Raphael Wegmann wrote:
>
> > Hello,
>
> Hi Raphael,
>
> > my plain 2.4.18 is frequently/randomly oopsing in swapper:
> >...
> > Please tell me, if I can help you somehow.
>
> could you check whether these Oopses still appear in 2.4.19-rc1?
>

Hello.

I just got a very similar oops during startup w/ 2.4.19-rc1
(while e2fsck was running). Btw. all that oopses end with a crash.
I've checked my memory, which is fine too.

Attached is my ksymoops output.

best regards

-- 
Raphael Wegmann
raphael@wegmann.at

ksymoops 2.4.5 on i686 2.4.19-rc1. Options used -V (default) -k /var/log/ksymoops/20020714234646.ksyms (specified) -l /var/log/ksymoops/20020714234646.modules (specified) -o /lib/modules/2.4.19-rc1/ (default) -m /boot/System.map-2.4.19-rc1 (default)

Unable to handle kernel NULL pointer dereference at virtual address 00000000 c0106f96 *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0010:[<c0106f96>] Not Tainted Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010246 eax: 00000000 ebx: c0106f70 ecx: cfd10000 edx: cfd10270 esi: c0276000 edi: c0106f70 ebp: c0277fd0 esp: c0277fd0 ds: 0018 es: 0018 ss: 0018 Process swapper (pid: 0, stackpage=c0277000) Stack: c0277fe4 c0107012 00000000 000a0600 c0105000 c0277fec c010502a c0277ff8 c0278747 c02b0aa0 0008e000 c0100191 Call Trace: [<c0107018>] [<c0105000>] [<c010502a>] Code: ab 01 fb 89 ec 5d c3 8d 76 00 55 89 e5 fb ba 00 e0 ff ff 21

>>EIP; c0106f96 <default_idle+26/30> <=====

>>ebx; c0106f70 <default_idle+0/30> >>ecx; cfd10000 <_end+fa2c1ac/105431ac> >>edx; cfd10270 <_end+fa2c41c/105431ac> >>esi; c0276000 <init_task_union+0/2000> >>edi; c0106f70 <default_idle+0/30> >>ebp; c0277fd0 <init_task_union+1fd0/2000> >>esp; c0277fd0 <init_task_union+1fd0/2000>

Trace; c0107018 <cpu_idle+48/60> Trace; c0105000 <_stext+0/0> Trace; c010502a <rest_init+2a/30>

Code; c0106f96 <default_idle+26/30> 00000000 <_EIP>: Code; c0106f96 <default_idle+26/30> <===== 0: ab stos %eax,%es:(%edi) <===== Code; c0106f97 <default_idle+27/30> 1: 01 fb add %edi,%ebx Code; c0106f99 <default_idle+29/30> 3: 89 ec mov %ebp,%esp Code; c0106f9b <default_idle+2b/30> 5: 5d pop %ebp Code; c0106f9c <default_idle+2c/30> 6: c3 ret Code; c0106f9d <default_idle+2d/30> 7: 8d 76 00 lea 0x0(%esi),%esi Code; c0106fa0 <poll_idle+0/30> a: 55 push %ebp Code; c0106fa1 <poll_idle+1/30> b: 89 e5 mov %esp,%ebp Code; c0106fa3 <poll_idle+3/30> d: fb sti Code; c0106fa4 <poll_idle+4/30> e: ba 00 e0 ff ff mov $0xffffe000,%edx Code; c0106fa9 <poll_idle+9/30> 13: 21 00 and %eax,(%eax)

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