netdev - Re: [Bugme-new] [Bug 14749] New: Kernel locks up after a few minutes of heavy surfing

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Date:	Mon, 7 Dec 2009 13:53:42 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	netdev@...r.kernel.org
Cc:	bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org, rankincj@...oo.com,
	stable@...nel.org, Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [Bugme-new] [Bug 14749] New: Kernel locks up after a few
 minutes of heavy surfing


(switched to email.  Please respond via emailed reply-to-all, not via the
bugzilla web interface).

On Sun, 6 Dec 2009 13:40:18 GMT
bugzilla-daemon@...zilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=14749
> 
>            Summary: Kernel locks up after a few minutes of heavy surfing
>            Product: Networking
>            Version: 2.5
>     Kernel Version: 2.6.31.6
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: high
>           Priority: P1
>          Component: IPV4
>         AssignedTo: shemminger@...ux-foundation.org
>         ReportedBy: rankincj@...oo.com
>         Regression: Yes
> 
> 
> Created an attachment (id=24049)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=24049)
> Warnings found in kernel, relating to network corruption.
> 
> This bug is new as of 2.6.31.x kernels. After a short period of heavy surfing
> (e.g. lots of tabs open in Firefox), the kernel will suddenly stop responding.
> Nothing is written to the serial console, and the machine stops responding to
> pings. My only clue so far has been a warning which I found once in my dmesg
> log (attached).
> 
> I have already tried manually applying this patch from the upcoming -stable
> queue:
> 
> net-fix-sk_forward_alloc-corruption.patch
> 
> to no effect.
> 
> I am currently switching back to Fedora's 2.6.31.6-145.fc12.i686 kernel to see
> if it is more stable. (I cannot trust 2.6.31.6 any more.)
> 

Thanks.

A regression in the latest 2.6.31 -stable tree.

Are you really really sure that you applied that patch, recompiled,
reinstalled, etc?
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