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From: Oleg Nesterov <oleg@tv-sign.ru>
To: Rik van Riel <riel@redhat.com>
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, roland@redhat.com,
	Andy Whitcroft <apw@shadowen.org>,
	Balbir Singh <balbir@linux.vnet.ibm.com>
Subject: Re: [BUG] 2.6.25-rc2-mm1 - Kernel panic while bootup caused by signal_group_exit()
Date: Wed, 20 Feb 2008 23:04:40 +0300	[thread overview]
Message-ID: <20080220200440.GA105@tv-sign.ru> (raw)
In-Reply-To: <20080220143417.6e419c5e@cuia.boston.redhat.com>

On 02/20, Rik van Riel wrote:
>
> On Sun, 17 Feb 2008 09:40:33 +0530
> Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
> 
> > [   25.512919] BUG: unable to handle kernel paging request at 9d74e37b
> > [   25.514926] IP: [<c04a8fac>] proc_flush_task+0x5b/0x223
> 
> I wonder if this one is related.   Also with 2.6.25-rc2-mm1 on x86_64:
> 
> BUG: unable to handle kernel paging request at 0000000000200200
> IP: [<ffffffff81043d3c>] free_pid+0x35/0x90
> ...
> Call Trace:
>  [<ffffffff81035a6d>] ? release_task+0x1be/0x346
>  [<ffffffff810362b7>] ? do_wait+0x6c2/0xa0e
>  [<ffffffff81051316>] ? trace_hardirqs_on_caller+0xf2/0x115
>  [<ffffffff8102ac72>] ? default_wake_function+0x0/0xe
>  [<ffffffff81051316>] ? trace_hardirqs_on_caller+0xf2/0x115
>  [<ffffffff8103668d>] ? sys_wait4+0x8a/0xa1
>  [<ffffffff8100be3b>] ? system_call_after_swapgs+0x7b/0x80

Yes, please look at http://marc.info/?t=120309840500006

Btw. The bug in tty_io.c _can_ explain this trace, but it would be nice
to ensure we don't have other problems. Could you try this

	http://marc.info/?l=linux-kernel&m=120352655031911

patch?

(I can't understand why this happens at the boot time, and it is not
 reproducable on my side).

Oleg.


  reply	other threads:[~2008-02-20 20:05 UTC|newest]

Thread overview: 134+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-16  8:25 2.6.25-rc2-mm1 Andrew Morton
2008-02-16 10:59 ` 2.6.25-rc2-mm1: build failure (x86) Marcin Slusarz
2008-02-16 11:09   ` Andrew Morton
2008-02-16 11:37     ` Marcin Slusarz
2008-02-17  0:22       ` Rafael J. Wysocki
2008-02-17  9:54         ` Marcin Slusarz
2008-02-17  1:37       ` Rafael J. Wysocki
2008-02-17  9:56         ` Marcin Slusarz
2008-02-19 18:51           ` Russell Leidich
2008-02-16 16:15 ` [BUG] 2.6.25-rc2-mm1 - kernel oops while bootup on s390x Kamalesh Babulal
2008-02-16 19:45   ` Andrew Morton
2008-02-16 19:49     ` Thomas Gleixner
2008-02-16 19:50       ` Thomas Gleixner
2008-02-17  3:40         ` Kamalesh Babulal
2008-02-17  9:06           ` Heiko Carstens
2008-02-18 14:08             ` Kamalesh Babulal
2008-02-16 17:21 ` 2.6.25-rc2-mm1 Randy Dunlap
2008-02-16 17:31 ` [PATCH]2.6.25-rc2-mm1 - Build Failure at security/keys/compat.c on powerpc Kamalesh Babulal
2008-02-16 17:48 ` 2.6.25-rc2-mm1 (wakeup) Randy Dunlap
2008-02-17  1:18   ` Rafael J. Wysocki
2008-02-17  1:22     ` H. Peter Anvin
2008-02-17  2:19       ` Randy Dunlap
2008-02-17  3:58         ` H. Peter Anvin
2008-02-17  4:38           ` [PATCH v2] " Randy Dunlap
2008-02-17  4:35             ` H. Peter Anvin
2008-02-17  4:47               ` Randy Dunlap
2008-02-17 20:40                 ` Rafael J. Wysocki
2008-02-17 21:07                   ` Sam Ravnborg
2008-02-17 21:21                     ` H. Peter Anvin
2008-02-17 21:28                       ` Sam Ravnborg
2008-02-17 21:31                         ` H. Peter Anvin
2008-02-17 21:46                           ` Sam Ravnborg
2008-02-17 21:20                   ` H. Peter Anvin
2008-02-16 19:47 ` [BUILD_FAILURE] 2.6.25-rc2-mm1 - Build Failure at acpi_os Kamalesh Babulal
2008-02-16 20:01   ` Laura Garcia
2008-02-21  7:08   ` Len Brown
2008-02-21 18:54     ` Nish Aravamudan
2008-02-21 22:22       ` Sam Ravnborg
2008-02-22  1:38         ` Nish Aravamudan
2008-02-22 18:08           ` Sam Ravnborg
2008-02-22 18:12             ` Nish Aravamudan
2008-02-22 18:13             ` Randy Dunlap
2008-02-22 18:21               ` Nish Aravamudan
2008-02-22 18:27               ` Sam Ravnborg
2008-02-22 18:29                 ` Randy Dunlap
2008-02-22 18:56                   ` Sam Ravnborg
2008-02-22 19:25                     ` [PATCH] " Randy Dunlap
2008-02-23  5:41                       ` Len Brown
2008-02-23 15:33                       ` Kamalesh Babulal
2008-02-16 21:27 ` 2.6.25-rc2-mm1: WARNING at arch/x86/mm/ioremap.c:129 Laurent Riffard
2008-02-16 21:52   ` Arjan van de Ven
2008-02-18  4:58     ` Brown, Len
2008-02-18  5:18       ` Arjan van de Ven
2008-02-18 19:35   ` Arjan van de Ven
2008-02-18 21:05     ` Laurent Riffard
2008-02-18 21:12       ` Arjan van de Ven
2008-02-24  0:44   ` Gabriel C
2008-02-24  2:50     ` Arjan van de Ven
2008-02-25 16:31       ` Gabriel C
2008-02-25 22:44         ` Arjan van de Ven
2008-02-25 23:33           ` Gabriel C
2008-02-25 23:59             ` Gabriel C
2008-03-01 15:40               ` Mirco Tischler
2008-03-02 15:53           ` Fabio Checconi
2008-03-02 16:58             ` Arjan van de Ven
2008-03-03  8:46               ` Ingo Molnar
2008-03-03  8:47                 ` Ingo Molnar
2008-03-03 10:21                 ` Fabio Checconi
2008-03-02 20:40             ` Laurent Riffard
2008-03-02 23:35               ` Mirco Tischler
2008-02-17  4:10 ` [BUG] 2.6.25-rc2-mm1 - Kernel panic while bootup caused by signal_group_exit() Kamalesh Babulal
2008-02-17  4:50   ` Andrew Morton
2008-02-17  5:02     ` Kamalesh Babulal
2008-02-17 12:41   ` Oleg Nesterov
2008-02-20 19:34   ` Rik van Riel
2008-02-20 20:04     ` Oleg Nesterov [this message]
2008-02-20 22:53       ` Rik van Riel
2008-02-28 13:13         ` Cedric Le Goater
2008-02-20 20:07     ` Alan Cox
2008-02-17  5:08 ` 2.6.25-rc2-mm1 Kamalesh Babulal
2008-02-17  5:24   ` 2.6.25-rc2-mm1 Andrew Morton
2008-02-17  7:36     ` 2.6.25-rc2-mm1 Kamalesh Babulal
2008-02-17  5:16 ` 2.6.25-rc2-mm1 (x64 thermal build failure) Randy Dunlap
2008-02-17  5:44   ` Andrew Morton
2008-02-18 10:15     ` Thomas Petazzoni
2008-02-18 12:13       ` Andrew Morton
2008-02-19 15:55         ` Thomas Petazzoni
2008-02-19 17:41           ` Randy Dunlap
2008-02-19 22:00             ` Thomas Petazzoni
2008-02-19 22:05               ` Randy Dunlap
2008-02-19 23:21           ` Andrew Morton
2008-02-20  7:21             ` Thomas Petazzoni
2008-02-20  9:55               ` Andrew Morton
2008-02-17  5:32 ` 2.6.25-rc2-mm1 (build failure) Randy Dunlap
2008-02-17  5:46   ` Andrew Morton
2008-02-17 19:52     ` Pavel Machek
2008-02-17 20:12       ` Rafael J. Wysocki
2008-02-17 11:23   ` Rafael J. Wysocki
2008-02-17 17:54     ` Randy Dunlap
2008-02-17  6:25 ` 2.6.25-rc2-mm1 Joel Becker
2008-02-17  6:32   ` 2.6.25-rc2-mm1 Joel Becker
2008-02-17  6:51   ` 2.6.25-rc2-mm1 Andrew Morton
2008-02-17 10:50 ` 2.6.25-rc2-mm1: new create_proc_entry() users Alexey Dobriyan
2008-02-18 13:01   ` Andrew Morton
2008-02-18 16:13   ` Daniel Walker
2008-02-19 22:25   ` Miller, Mike (OS Dev)
2008-02-19 23:59     ` Andrew Morton
2008-02-18  0:14 ` 2.6.25-rc2-mm1 (cifs build errs) Randy Dunlap
2008-02-18  4:10   ` Steve French
2008-02-18  0:16 ` 2.6.25-rc2-mm1 Randy Dunlap
2008-02-18  9:34   ` 2.6.25-rc2-mm1 Andrew Morton
2008-02-18  5:17 ` 2.6.25-rc2-mm1 (x86 MCE build error) Randy Dunlap
2008-02-18  6:03   ` Yinghai Lu
2008-02-18 13:31   ` Adrian Bunk
2008-02-18 17:13 ` 2.6.25-rc2-mm1 (cciss " Randy Dunlap
2008-02-19  0:08 ` 2.6.25-rc2-mm1 Kevin Winchester
2008-02-19  0:15   ` 2.6.25-rc2-mm1 Andrew Morton
2008-02-19  0:22     ` 2.6.25-rc2-mm1 Steven Rostedt
2008-02-19  1:15       ` 2.6.25-rc2-mm1 Kevin Winchester
2008-02-20 21:14 ` 2.6.25-rc2-mm1 - several bugs and a crash Tilman Schmidt
2008-02-20 21:50   ` Patrick McHardy
2008-02-21 11:28   ` Patrick McHardy
2008-02-21 16:32     ` Stephen Hemminger
2008-02-21 16:34       ` Patrick McHardy
2008-02-22  0:40     ` Tilman Schmidt
2008-02-22  0:52       ` Tilman Schmidt
2008-02-22 17:09         ` Paul E. McKenney
2008-02-25  8:54           ` Tilman Schmidt
2008-02-27 16:37     ` nf_conntrack fix smp_processor_id() in preemptible code (was: 2.6.25-rc2-mm1 - several bugs and a crash) Tilman Schmidt
2008-02-27 16:47       ` nf_conntrack fix smp_processor_id() in preemptible code Patrick McHardy
2008-02-21 12:38   ` 2.6.25-rc2-mm1 - several bugs and a crash Andrew Morton
2008-02-21 16:46     ` Christoph Hellwig
2008-02-22  0:10       ` Tilman Schmidt
2008-02-21 19:36     ` Dave Hansen

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