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From: Ingo Molnar <mingo@elte.hu>
To: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	dmitry.adamushko@gmail.com,
	Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	Dhaval Giani <dhaval@linux.vnet.ibm.com>,
	Andy Whitcroft <apw@shadowen.org>,
	Balbir Singh <balbir@linux.vnet.ibm.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Paul Mackerras <paulus@samba.org>,
	Linas Vepstas <linas@austin.ibm.com>,
	Kumar Gala <galak@kernel.crashing.org>
Subject: [powerpc crash] Re: Linux 2.6.24-rc7  kernel BUG at kernel/sched.c:5156!
Date: Tue, 8 Jan 2008 17:16:17 +0100	[thread overview]
Message-ID: <20080108161617.GC32273@elte.hu> (raw)
In-Reply-To: <47821774.8010701@linux.vnet.ibm.com>


* Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:

> Hi,
> 
> When booting the 2.6.24-rc7 kernel on the powerpc, kernel bug at
> kernel.sched.c is triggered
> 
> [    0.000000] Kernel command line: ro console=hvc0 rhgb quiet root=LABEL=/ 
> [    0.149567] BUG: scheduling while atomic: kthreadd/2/0x0006f34c
> [    0.149655] BUG: scheduling while atomic: kthreadd/3/0xbe0d8168
> [    0.149714] ------------[ cut here ]------------
> [    0.149722] kernel BUG at kernel/sched.c:5156!

hm, that looks pretty nasty. Wondering why the atomic check did not 
produce a stacktrace. By the time we get to the migration thread's code 
it's probably late and we just get to see the effects of data 
corruption.

	Ingo

  reply	other threads:[~2008-01-08 16:30 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-06 22:19 Linux 2.6.24-rc7 Linus Torvalds
2008-01-06 23:52 ` Mark Lord
2008-01-07  0:08   ` Linus Torvalds
2008-01-07  0:35     ` Tejun Heo
2008-01-07  8:48 ` Linux 2.6.24-rc7 Build Failure on headers_install Kamalesh Babulal
2008-01-07 10:12   ` Sam Ravnborg
2008-01-08 10:51     ` Kamalesh Babulal
2008-01-08 13:10       ` Sam Ravnborg
2008-01-07 10:36 ` Linux 2.6.24-rc7 Build-Failure at __you_cannot_kmalloc_that_much Kamalesh Babulal
2008-01-07 18:07   ` Andrew Morton
2008-01-07 18:31     ` Christoph Lameter
2008-01-07 19:38       ` Andrew Morton
2008-01-08  9:56         ` Jean Delvare
2008-01-08 10:44           ` Kamalesh Babulal
2008-01-08 12:34           ` Fix for __you_cannot_kmalloc_that_much failure with gcc 3.2 Jean Delvare
2008-01-08  4:20       ` Linux 2.6.24-rc7 Build-Failure at __you_cannot_kmalloc_that_much Arjan van de Ven
2008-01-08  5:23         ` Christoph Lameter
2008-01-08  8:20     ` Kamalesh Babulal
2008-01-08  9:27       ` Balbir Singh
2008-01-08  7:48   ` Jean Delvare
2008-01-07 12:13 ` Linux 2.6.24-rc7 kernel BUG at kernel/sched.c:5156! Kamalesh Babulal
2008-01-08 16:16   ` Ingo Molnar [this message]
2008-01-07 15:53 ` Linux 2.6.24-rc7 Alejandro Riveira Fernández
2008-01-07 16:27   ` smpboot_64 section mismatch warning Sam Ravnborg
2008-01-07 16:31   ` section mismatch warning in head_64.S Sam Ravnborg
2008-01-15 10:18     ` Alejandro Riveira Fernández
2008-01-07 23:27   ` smpboot_64 section mismatch warning David Howells
2008-01-08  9:14     ` Alejandro Riveira Fernández
2008-01-08 11:17   ` David Howells
2008-01-07 16:14 ` Linux 2.6.24-rc7 Alejandro Riveira Fernández
2008-01-07 16:24   ` Michael Buesch
2008-01-07 16:52     ` Alejandro Riveira Fernández
2008-01-07 17:30       ` Michael Buesch
2008-01-07 20:23         ` Alejandro Riveira Fernández
2008-01-08 15:30           ` Michael Buesch
2008-01-08 15:55             ` Alejandro Riveira Fernández
2008-01-08  0:50 ` J.A. Magallón
2008-01-09  1:32   ` Avuton Olrich
2008-01-09  1:56   ` Tejun Heo
2008-01-10  9:25     ` J.A. Magallón
2008-01-10 13:10       ` Tejun Heo
2008-01-13 23:19         ` J.A. Magallón
2008-01-13 23:57           ` Tejun Heo
2008-01-14 23:38             ` J.A. Magallón
2008-01-14 23:56               ` Tejun Heo
2008-01-08 18:42 ` Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show() Mariusz Kozlowski
2008-01-08 21:00   ` Randy Dunlap
2008-01-08 22:39     ` Mariusz Kozlowski
2008-01-08 22:45       ` Randy Dunlap
2008-01-09 16:31         ` Mariusz Kozlowski
2008-01-08 22:50   ` David Miller
2008-01-08 22:56     ` Ingo Molnar
2008-01-08 23:06       ` David Miller
2008-01-09  0:52         ` Ingo Molnar
2008-01-09  1:17 ` Linux 2.6.24-rc7 Willy Tarreau

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