netdev - Re: Fw: [Bug 71781] New: Kernel panic - not syncing: Fatal exception in interrupt

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Date:	Mon, 10 Mar 2014 22:30:07 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	netdev@...r.kernel.org
Subject: Re: Fw: [Bug 71781] New: Kernel panic - not syncing: Fatal
 exception in interrupt

On Mon, 2014-03-10 at 09:12 -0700, Stephen Hemminger wrote:
> 
> Begin forwarded message:
> 
> Date: Mon, 10 Mar 2014 05:51:48 -0700
> From: "bugzilla-daemon@...zilla.kernel.org" <bugzilla-daemon@...zilla.kernel.org>
> To: "stephen@...workplumber.org" <stephen@...workplumber.org>
> Subject: [Bug 71781] New: Kernel panic - not syncing: Fatal exception in interrupt
> 
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=71781
> 
>             Bug ID: 71781
>            Summary: Kernel panic - not syncing: Fatal exception in
>                     interrupt
>            Product: Networking
>            Version: 2.5
>     Kernel Version: 3.10.32
>           Hardware: x86-64
>                 OS: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: blocking
>           Priority: P1
>          Component: IPV4
>           Assignee: shemminger@...ux-foundation.org
>           Reporter: asilva@...elessmundi.com
>         Regression: No
> 
> Created attachment 128811
>   --> https://bugzilla.kernel.org/attachment.cgi?id=128811&action=edit
> full boot sequence log
> 
> The servers just panic on boot time:
> 
> [   18.647435] BUG: unable to handle kernel NULL pointer dereference at
> 0000000000000080
> [   18.656468] IP: [<ffffffff810f4c8d>] ____cache_alloc+0x1f/0x290
> [   18.663269] PGD 0 
> [   18.665581] Oops: 0000 [#1] SMP 
> 
> .... (see attach log for the full message)
> 
> [   19.200202] ---[ end trace 85fce9ca9a98a944 ]---
> [   19.207209] Kernel panic - not syncing: Fatal exception in interrupt
> [   19.216142] Rebooting in 1 seconds..

Yes, and the interesting part in the clipped message is :

[   16.431685] 	Hooking IMQ after NAT on PREROUTING.
[   16.436985] 	Hooking IMQ before NAT on POSTROUTING.

Sorry, we do not support IMQ in upstream kernel.



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