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Date: Wed, 14 May 2008 21:55:34 +0200
From: Willy Tarreau <w@1wt.eu>
To: Marco Berizzi <pupilla@hotmail.com>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: v2.6.25: SKB BUG: Invalid truesize (260) len=134, sizeof(sk_buff)=164
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[CC'd netdev]

On Wed, May 14, 2008 at 05:04:03PM +0200, Marco Berizzi wrote:
> Hi folks.
> After 20 days uptime linux 2.6.25 has
> started logging a ton of these messages:
> 
> May 14 17:00:23 Pleiadi kernel: SKB BUG: Invalid truesize (260) len=134,
> sizeof(sk_buff)=164
> May 14 17:00:23 Pleiadi kernel: SKB BUG: Invalid truesize (260) len=118,
> sizeof(sk_buff)=164
> May 14 17:00:23 Pleiadi kernel: SKB BUG: Invalid truesize (324) len=166,
> sizeof(sk_buff)=164
> May 14 17:00:23 Pleiadi kernel: SKB BUG: Invalid truesize (324) len=166,
> sizeof(sk_buff)=164
> May 14 17:00:23 Pleiadi kernel: SKB BUG: Invalid truesize (260) len=118,
> sizeof(sk_buff)=164
> May 14 17:00:23 Pleiadi kernel: SKB BUG: Invalid truesize (260) len=118,
> sizeof(sk_buff)=164
> May 14 17:00:23 Pleiadi kernel: SKB BUG: Invalid truesize (292) len=166,
> sizeof(sk_buff)=164
> May 14 17:00:23 Pleiadi kernel: SKB BUG: Invalid truesize (324) len=166,
> sizeof(sk_buff)=164
> May 14 17:00:23 Pleiadi kernel: SKB BUG: Invalid truesize (324) len=166,
> sizeof(sk_buff)=164
> May 14 17:00:24 Pleiadi kernel: SKB BUG: Invalid truesize (260) len=118,
> sizeof(sk_buff)=164
> 
> Does it mean there is a problem?

Most likely. I think you'll have to bring your config and a bit of info
about the workload of the machine reporting this.

Willy