From: Ingo Molnar <mingo@elte.hu>
To: "Randy.Dunlap" <rdunlap@xenotime.net>
Cc: mbligh@google.com, akpm@osdl.org, apw@shadowen.org,
linux-kernel@vger.kernel.org
Subject: Re: 2.6.17-rc5-mm3
Date: Mon, 5 Jun 2006 22:05:51 +0200 [thread overview]
Message-ID: <20060605200551.GA15560@elte.hu> (raw)
In-Reply-To: <20060605130039.db1ac80c.rdunlap@xenotime.net>
* Randy.Dunlap <rdunlap@xenotime.net> wrote:
> > > panic on NUMA-Q during LTP. Was fine in -mm2.
> > >
> > > BUG: unable to handle kernel paging request at virtual address 22222232
> >
> > > EIP is at check_deadlock+0x19/0xe1
> > > eax: 00000001 ebx: e4453030 ecx: 00000000 edx: e4008000
> > > esi: 22222222 edi: 00000001 ebp: 22222222 esp: e47ebec0
> >
> > again these 0x22222222 entries on the stack. What on earth does this?
> > Andy got a similar crash on x86_64, with a 0x2222222222222222 entry ...
> >
> > nothing of our magic values are 0x22 or 0x222222222.
>
> kernel/mutex-debug.c:
> void debug_mutex_free_waiter(struct mutex_waiter *waiter)
> {
> DEBUG_WARN_ON(!list_empty(&waiter->list));
> memset(waiter, 0x22, sizeof(*waiter));
> }
ah!!! that's indeed a hint. Will take a look tomorrow.
Ingo
next prev parent reply other threads:[~2006-06-05 20:06 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-05 16:30 2.6.17-rc5-mm3 Martin Bligh
2006-06-05 19:44 ` 2.6.17-rc5-mm3 Ingo Molnar
2006-06-05 20:00 ` 2.6.17-rc5-mm3 Randy.Dunlap
2006-06-05 20:05 ` Ingo Molnar [this message]
2006-06-05 20:05 ` 2.6.17-rc5-mm3 Dave Jones
2006-06-05 20:08 ` 2.6.17-rc5-mm3 Ingo Molnar
2006-06-05 20:14 ` 2.6.17-rc5-mm3 Randy.Dunlap
2006-06-05 20:54 ` [PATCH] poison: add & use more constants Randy.Dunlap
2006-06-06 13:33 ` Steven Rostedt
2006-06-06 8:56 ` [patch, -rc5-mm3] better lock debugging: remove mutex deadlock checking code Ingo Molnar
2006-06-06 11:40 ` Andy Whitcroft
2006-06-06 17:17 ` Andy Whitcroft
2006-06-06 19:29 ` Ingo Molnar
2006-06-07 9:17 ` Andy Whitcroft
-- strict thread matches above, loose matches on Subject: below --
2006-06-04 6:20 2.6.17-rc5-mm3 Andrew Morton
2006-06-04 9:38 ` 2.6.17-rc5-mm3 Barry K. Nathan
2006-06-04 9:49 ` 2.6.17-rc5-mm3 Andrew Morton
2006-06-04 10:08 ` 2.6.17-rc5-mm3 Michal Piotrowski
2006-06-04 10:41 ` 2.6.17-rc5-mm3 Ingo Molnar
2006-06-04 20:38 ` 2.6.17-rc5-mm3 Valdis.Kletnieks
[not found] ` <6bffcb0e0606040407u4f56f7fdyf5ec479314afc082@mail.gmail.com>
2006-06-04 21:38 ` 2.6.17-rc5-mm3 Ingo Molnar
2006-06-04 22:35 ` 2.6.17-rc5-mm3 Michal Piotrowski
2006-06-04 18:20 ` 2.6.17-rc5-mm3 Rafael J. Wysocki
2006-06-04 23:15 ` 2.6.17-rc5-mm3 J.A. Magallón
2006-06-04 23:42 ` 2.6.17-rc5-mm3 Andrew Morton
2006-06-05 6:02 ` 2.6.17-rc5-mm3 Valdis.Kletnieks
2006-06-05 8:04 ` 2.6.17-rc5-mm3 Arjan van de Ven
2006-06-04 23:28 ` 2.6.17-rc5-mm3 J.A. Magallón
2006-06-05 0:06 ` 2.6.17-rc5-mm3 Barry K. Nathan
2006-06-05 0:25 ` 2.6.17-rc5-mm3 Grant Coady
2006-06-05 0:45 ` 2.6.17-rc5-mm3 Grant Coady
2006-06-05 9:12 ` 2.6.17-rc5-mm3 Ingo Molnar
2006-06-05 17:56 ` 2.6.17-rc5-mm3 Mel Gorman
2006-06-05 18:54 ` 2.6.17-rc5-mm3 Andrew Morton
2006-06-06 9:43 ` 2.6.17-rc5-mm3 Mel Gorman
2006-06-06 10:57 ` 2.6.17-rc5-mm3 Mel Gorman
2006-06-05 19:48 ` 2.6.17-rc5-mm3 Dave Jones
2006-06-05 20:06 ` 2.6.17-rc5-mm3 Andrew Morton
2006-06-05 20:09 ` 2.6.17-rc5-mm3 Dave Jones
2006-06-05 20:44 ` 2.6.17-rc5-mm3 Dave Jones
2006-06-05 20:53 ` 2.6.17-rc5-mm3 Andrew Morton
2006-06-05 21:02 ` 2.6.17-rc5-mm3 Dave Jones
2006-06-05 21:03 ` 2.6.17-rc5-mm3 Arjan van de Ven
2006-06-06 10:15 ` 2.6.17-rc5-mm3 Takashi Iwai
2006-06-05 23:02 ` 2.6.17-rc5-mm3 Dave Jones
2006-06-06 1:44 ` 2.6.17-rc5-mm3 Randy.Dunlap
2006-06-06 1:54 ` 2.6.17-rc5-mm3 Paul Fulghum
2006-06-06 2:03 ` 2.6.17-rc5-mm3 Randy.Dunlap
2006-06-06 2:19 ` 2.6.17-rc5-mm3 Randy.Dunlap
2006-06-06 2:35 ` 2.6.17-rc5-mm3 Paul Fulghum
2006-06-06 13:30 ` 2.6.17-rc5-mm3 Paul Fulghum
2006-06-06 8:03 ` 2.6.17-rc5-mm3 J.A. Magallón
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