From: David Miller <davem@davemloft.net>
To: vegard.nossum@gmail.com
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, penberg@cs.helsinki.fi, rjw@sisk.pl
Subject: Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten
Date: Thu, 17 Jul 2008 19:03:15 -0700 (PDT) [thread overview]
Message-ID: <20080717.190315.186892939.davem@davemloft.net> (raw)
In-Reply-To: <19f34abd0807171615s5b477d4cr22d3e9444bcf65df@mail.gmail.com>
From: "Vegard Nossum" <vegard.nossum@gmail.com>
Date: Fri, 18 Jul 2008 01:15:47 +0200
> On Thu, Jul 17, 2008 at 11:42 PM, Ingo Molnar <mingo@elte.hu> wrote:
> >
> > A regression to v2.6.26:
> >
> > I started getting this skb-head corruption message today, on a T60
> > laptop with e1000:
> >
> > PM: Removing info for No Bus:vcs11
> > device: 'vcs11': device_create_release
> > =============================================================================
> > BUG skbuff_head_cache: Poison overwritten
> > -----------------------------------------------------------------------------
> >
> > INFO: 0xf658ae9c-0xf658ae9c. First byte 0x6a instead of 0x6b
>
> 1. Notice the range. It's just a single byte.
> 2. Notice the value. It's just a ++.
It's supposed to be 0x6b, this would be a "--"
Also it (more likely IMHO) could be clearing a flag with the value 0x01.
next prev parent reply other threads:[~2008-07-18 2:03 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-17 21:42 [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten Ingo Molnar
2008-07-17 21:45 ` David Miller
2008-07-17 22:06 ` Ingo Molnar
2008-07-17 22:09 ` David Miller
2008-07-17 22:43 ` Ingo Molnar
2008-07-17 23:15 ` Vegard Nossum
2008-07-17 23:35 ` Vegard Nossum
2008-07-17 23:52 ` Ingo Molnar
2008-07-18 0:01 ` Ingo Molnar
2008-07-18 0:05 ` Vegard Nossum
2008-07-18 0:16 ` Ingo Molnar
2008-07-18 2:13 ` David Miller
2008-07-18 2:03 ` David Miller [this message]
2008-07-18 7:03 ` Vegard Nossum
2008-07-18 7:12 ` David Miller
2008-07-18 9:05 ` Ingo Molnar
2008-07-18 19:10 ` [bug] Attempt to release alive inet socket f6fac040 Ingo Molnar
2008-07-18 19:55 ` Ingo Molnar
2008-07-17 23:27 ` [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten Vegard Nossum
2008-07-17 23:56 ` Ingo Molnar
2008-07-21 11:41 ` Vegard Nossum
2008-07-18 5:46 ` Evgeniy Polyakov
2008-07-18 9:02 ` Pekka Enberg
2008-07-18 9:09 ` Ingo Molnar
2008-07-18 9:15 ` Pekka Enberg
2008-07-18 10:16 ` Evgeniy Polyakov
2008-07-18 14:44 ` Pekka Enberg
2008-07-18 14:48 ` Christoph Lameter
2008-07-18 16:07 ` Evgeniy Polyakov
2008-07-18 9:00 ` Pekka J Enberg
2008-07-18 9:11 ` Ingo Molnar
2008-07-18 9:16 ` Pekka Enberg
2008-07-18 13:54 ` Christoph Lameter
2008-07-21 9:41 ` Ingo Molnar
2008-07-21 9:52 ` Pekka Enberg
2008-07-21 10:06 ` Evgeniy Polyakov
2008-07-21 10:50 ` Ingo Molnar
2008-07-21 11:03 ` Vegard Nossum
2008-07-21 11:13 ` Ingo Molnar
2008-07-21 16:19 ` Christoph Lameter
2008-07-21 20:23 ` Vegard Nossum
2008-07-21 11:25 ` Evgeniy Polyakov
2008-07-21 11:55 ` Ingo Molnar
2008-07-21 12:57 ` Evgeniy Polyakov
2008-07-21 14:01 ` Ingo Molnar
2008-07-21 19:21 ` Ingo Molnar
2008-07-21 21:24 ` Evgeniy Polyakov
2008-07-21 23:33 ` David Miller
2008-07-22 7:50 ` Ingo Molnar
2008-07-22 13:34 ` Ingo Molnar
2008-07-23 22:31 ` David Miller
2008-07-23 22:40 ` Jeff Kirsher
2008-07-21 16:22 ` Christoph Lameter
2008-07-21 19:57 ` Evgeniy Polyakov
2008-07-21 20:05 ` Ingo Molnar
2008-07-21 20:22 ` Vegard Nossum
2008-07-18 13:55 ` Christoph Lameter
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