Andrew Morton wrote:
> Obvious question: does it happen with 2.6.17.x or 2.6.18-rc5?
> 
> 
> Begin forwarded message:
> 
> Date: Tue, 29 Aug 2006 19:49:11 -0700
> From: bugme-daemon@bugzilla.kernel.org
> To: bugme-new@lists.osdl.org
> Subject: [Bugme-new] [Bug 7074] New: Kernel Panic on kernel 2.6.16.1
> 
> 
> http://bugzilla.kernel.org/show_bug.cgi?id=7074
> 
>            Summary: Kernel Panic on kernel 2.6.16.1
>     Kernel Version: 2.6.16.1
>             Status: NEW
>           Severity: high
>              Owner: laforge@gnumonks.org
>          Submitter: eshi@anchiva.com.cn
> 
> 
> Most recent kernel where this bug did not occur:
> Distribution:
> Hardware Environment: P4 3.4G   1G Mem
> Software Environment: FC3 Kernel 2.6.16.1
> Problem Description: 
> 
> kernel BUG at net/ipv4/netfilter/ip_conntrack_proto_tcp.c:911!


This can only happen if something corrupts the packet, probably
within the bridge netfilter code. This patch from Stephen (rediffed
against 2.6.16) fixes such a corruption, please try if it helps.