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SubjectRe: kernel panic with 2.4.26
Date
Am Mittwoch, 16. Februar 2005 16:16 schrieb Jonathan Sambrook:
> Klaus Muth wrote:
> > Am Mittwoch, 16. Februar 2005 12:14 schrieb Jonathan Sambrook:
> >
> > Server oopsed again 10 minutes ago. Same symptoms.
>
> <sigh> schade
Your help is really appreciated.

> > The kernel upgrade did not
> > help... Would an update to an 2.6 kernel help or should I better turn
> > hyperthreading off?
>
> My experience is running _modified_ 2.4 kernels. Turning HT off solved
> the problem here. Of course YMMV if the root cause is different.
Hypertreading turned off, machine crashed again in a matter of minutes. But
I took a photograph again and did run kymoops over the yield:
---------------------------------------
Unable to handle kernel paging request at virtual addresss ffffffff
f8a3589d
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<f8a3589d>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010256
eax: ffffffff ebx: 00000002 ecx: f5942000 edx: 0000000d
esi: e162f000 edi: 00000000 ebp: f60d701c esp: c0379ee4
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, stackpage=c0379000)
Stack: 00000000 f593d580 00000000 f77ba480 00000040 f60d7000 00000000 f5942000
0093d580 f593fd80 f8a24982 f593d580 f6347188 f77ba480 00000002 00000000
00000000 00000000 f5942200 00000000 f8a24a61 f77ba480 f593d588 f621ec40
Call Trace: [<f8a24982>] [<f8a24a61>] [<c010a041>] [<c010a236>] [<c0106d60>]
[<c0106d60>] [<c0106d60>] [<c0106d60>] [<c0106d89>] [<c0106df2>] [<c0105000>]
[<c010504f>]
<0>Kernel panic: Aiee, killing interrupt handler!
Warning (Oops_read): Code line not seen, dumping what data is available


>>EIP; f8a3589d <[ftdi_sio]ftdi_read_bulk_callback+361/438> <=====

>>eax; ffffffff <END_OF_CODE+754d54c/????>
>>ecx; f5942000 <_end+35507244/385d6244>
>>esi; e162f000 <_end+211f4244/385d6244>
>>ebp; f60d701c <_end+35c9c260/385d6244>
>>esp; c0379ee4 <init_task_union+1ee4/2000>

Trace; f8a24982 <[usb-uhci]process_urb+1e6/230>
Trace; f8a24a61 <[usb-uhci]uhci_interrupt+95/fc>
Trace; c010a041 <handle_IRQ_event+5d/88>
Trace; c010a236 <do_IRQ+a6/ec>
Trace; c0106d60 <default_idle+0/34>
Trace; c0106d60 <default_idle+0/34>
Trace; c0106d60 <default_idle+0/34>
Trace; c0106d60 <default_idle+0/34>
Trace; c0106d89 <default_idle+29/34>
Trace; c0106df2 <cpu_idle+3e/54>
Trace; c0105000 <_stext+0/0>
Trace; c010504f <rest_init+4f/50>
---------------------------------------

This strongly suggests a problem in the ftdi_sio_usb USB to serial driver
and I filed this at the SourceForge bugtracker already.

klaus

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