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From: Ingo Molnar <mingo@elte.hu>
To: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	Vegard Nossum <vegard.nossum@gmail.com>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	cl@linux-foundation.org, davem@davemloft.net
Subject: Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten
Date: Mon, 21 Jul 2008 13:55:55 +0200	[thread overview]
Message-ID: <20080721115555.GA24176@elte.hu> (raw)
In-Reply-To: <20080721112515.GA4777@2ka.mipt.ru>


* Evgeniy Polyakov <johnpol@2ka.mipt.ru> wrote:

> > I could try run tests with netconsole deactivated, if you think 
> > that's a worthwile line of probing this problem. (although that 
> > would make me do blind tests in essence - having kernel log output 
> > is really essential.)
> 
> Let's try this way first. If system will continue to crash, we will 
> add some debug options in various pathes. Existing reports do not 
> contain enough information unfortunately, so we will not lose too 
> much.

ok. I've turned off netconsole - 8 successful bootups in a row so far. 
The box is a slow booter/builder with an 8 kernels/hour test throughput, 
so if everything goes fine we should have meaningful results in about 10 
hours.

( there are other, faster testboxes in -tip testing with 33 kernels/hour 
  build+boot throughput where we'd have to wait only 2 hours - but as 
  per Murphy's law they dont trigger this bug ;-)

	Ingo

  reply	other threads:[~2008-07-21 11:56 UTC|newest]

Thread overview: 58+ 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
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  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 [this message]
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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