Re: Kernel Panic 2.5.39 when starting hotplug

From: Nick Sanders (sandersn@btinternet.com)
Date: Tue Oct 01 2002 - 20:22:40 EST


On Saturday 28 September 2002 7:55 pm, Greg KH wrote:
> On Sat, Sep 28, 2002 at 01:24:47PM +0100, Nick Sanders wrote:
> > Hi,
> >
> > I get a kernel panic when starting the hotplug daemon when running
> > 2.5.39, the config and boot log are attached.
>
> What hotplug daemon? What is that? Do you mean a call to
> /sbin/hotplug?
>
> thanks,
>
> greg k-h

Hi,

Sorry about the last report not the most informative, I'm still getting a
kernel panic with 2.5.40. I think it's my Alcatel USB Speedtouch Modem as it
only panics when I plug it in.

I set up a serial console but I could get the oops I could log in but as soon
as I plugged in the modem it hung.

So I wrote what I could see by hand

CPU: 0
EIP: 0060
EFLAGS: 00010006
EIP is at uhci_result_control+0x17/0x220[uhci-hcd]
eax: 00000000 ebx: cf1b6dc0 ecx: 00000086 edx: 00000002
ds: 0068 es: 0068 ss: 0068
Process usb.agent (pid:351, threadinfo=cc666000 task=cebb2d00)
Stack: ef5efa40 .....
Call Trace
[<d08f9f97>]uhci_transfer_result+0x57/0x130 [uhct-hcd]
[<d08fa73c>]uhci_irq+0xbc/0xe0 [uhci-hcd]
[<d08e5309>]uhci_hcd_irg+0x19/0x40 [usbcore]
[<c01082dd>]handle_IRQ_event+0x2d/0x50
[<c010843e>]do_IRQ+0x7e/0xe0
[<c0107010>]common_interupt+0x18/0x20
Code: 8b 40 14 39 f0 75 0a b8 ea ff ff fe9 eb 01 00 8b 54 24
<0> Kernel panic: Aiee, killing interupt handler!
In interupt handler - not syncing

With 2.5.39 the call trace was same plus the following

kmem_cach_free
do_exit
sys_exit
syscall_call

and the process was usbmodules

attached is config, lspci and lsmod from 2.5.36 with same config







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