linux-kernel - Re: 2.6.20rc1 oops.

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Date:	Mon, 18 Dec 2006 03:57:10 +0100
From:	Adrian Bunk <bunk@...sta.de>
To:	Dave Jones <davej@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.20rc1 oops.

On Thu, Dec 14, 2006 at 04:02:15PM -0500, Dave Jones wrote:

> Hmm. Puzzling.

CONFIG_PCI_MULTITHREAD_PROBE=y ?

> 		Dave
> 
> USB Universal Host Controller Interface driver v3.0
> Compaq SMART2 Driver (v 2.6.0)
> BUG: unable to handle kernel paging request at virtual address e082a736
>  printing eip:
> e082a736
> *pde = 1fd4e067
> Oops: 0000 [#1]
> SMP 
> last sysfs file: /block/ram0/dev
> Modules linked in: cpqarray ext3 jbd mbcache ehci_hcd ohci_hcd uhci_hcd
> CPU:    2
> EIP:    0060:[<e082a736>]    Not tainted VLI
> EFLAGS: 00010292   (2.6.19-1.2872.fc7 #1)
> EIP is at 0xe082a736
> eax: 00000040   ebx: dfc66000   ecx: ffffffff   edx: 00000046
> esi: e0810cc0   edi: dfc66000   ebp: dfea8ac0   esp: df67ff4c
> ds: 007b   es: 007b   ss: 0068
> Process probe-0000:02:0 (pid: 290, ti=df67f000 task=dfec12d0 task.ti=df67f000)
> Stack: e080e2ab 0000ae10 00000002 00000000 00000000 c0667edb df646967 c04aa7f2 
>        0000a1ff 00000020 e0810d18 e0810cf4 c04e6835 e080d97c e0810cf4 e0810cc0 
>        dfc66000 dfea8ac0 c04e6921 dfc66048 dfe99da8 e0810cf4 c054953e 00000286 
> Call Trace:
> Inexact backtrace:
>  [<c04aa7f2>] sysfs_create_link+0x128/0x13e
>  [<c04e6835>] pci_match_device+0x13/0xb3
>  [<c04e6921>] pci_device_probe+0x36/0x57
>  [<c054953e>] really_probe+0x7f/0x103
>  [<c04208cb>] complete+0x39/0x48
>  [<c05494bf>] really_probe+0x0/0x103
>  [<c0438997>] kthread+0xb0/0xd9
>  [<c04388e7>] kthread+0x0/0xd9
>  [<c0404b77>] kernel_thread_helper+0x7/0x10
>  =======================
> Code:  Bad EIP value.
> EIP: [<e082a736>] 0xe082a736 SS:ESP 0068:df67ff4c
>  <3>BUG: sleeping function called from invalid context at kernel/rwsem.c:20
> in_atomic():0, irqs_disabled():1
>  [<c04050df>] dump_trace+0x68/0x1d8
>  [<c0405267>] show_trace_log_lvl+0x18/0x2c
>  [<c04057f5>] show_trace+0xf/0x11
>  [<c0405867>] dump_stack+0x12/0x14
>  [<c043b45a>] down_read+0x12/0x28
>  [<c0433220>] blocking_notifier_call_chain+0xe/0x29
>  [<c04297a4>] do_exit+0x19/0x6d5
>  [<c0405796>] die+0x21b/0x240
>  [<c05ed41b>] do_page_fault+0x407/0x4da
>  [<c05ebc7c>] error_code+0x7c/0x84
>  [<e082a736>] 0xe082a736
> DWARF2 unwinder stuck at 0xe082a736
> Leftover inexact backtrace:
>  [<c04aa7f2>] sysfs_create_link+0x128/0x13e
>  [<c04e6835>] pci_match_device+0x13/0xb3
>  [<c04e6921>] pci_device_probe+0x36/0x57
>  [<c054953e>] really_probe+0x7f/0x103
>  [<c04208cb>] complete+0x39/0x48
>  [<c05494bf>] really_probe+0x0/0x103
>  [<c0438997>] kthread+0xb0/0xd9
>  [<c04388e7>] kthread+0x0/0xd9
>  [<c0404b77>] kernel_thread_helper+0x7/0x10
>  =======================
> SCSI subsystem initialized

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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