netdev - Re: kernel BUG at net/core/skbuff.c:2839 RIP [<ffffffff819109a2>] skb

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Message-ID: <slrnl8i828.8ar.xiyou.wangcong@linux-6brj.site>
Date:	Sun, 17 Nov 2013 19:59:56 +0000 (UTC)
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	netdev@...r.kernel.org
Subject: Re: kernel BUG at net/core/skbuff.c:2839 RIP  [<ffffffff819109a2>]
 skb_segment+0x6b2/0x6d0

On Sun, 17 Nov 2013 at 19:17 GMT, Sander Eikelenboom <linux@...elenboom.it> wrote:
> Hi Eric,
>
> With the linux-net changes from this merge window i get the kernel panic below (not with 3.12.0).
>
> It's on a machine running Xen, 2x rtl8169 nic, and using a bridge for guest networking.
> This panic in the host kernel only seems to occur when generating a lot of network traffic to and from a guest.
>
> I tried reverting "tcp: gso: fix truesize tracking" 0d08c42cf9a71530fef5ebcfe368f38f2dd0476f, but that didn't help.
>
> --
> Sander
>
> [ 1164.511712] ------------[ cut here ]------------
> [ 1164.518446] kernel BUG at net/core/skbuff.c:2839!

This is discussed in another long thread:
http://marc.info/?t=138419721200049&r=1&w=2

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