From: Ingo Molnar <mingo@elte.hu>
To: David Miller <davem@davemloft.net>
Cc: m.kozlowski@tuxland.pl, torvalds@linux-foundation.org,
linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: Linux 2.6.24-rc7: sparc64: WARNING: at
Date: Tue, 08 Jan 2008 22:56:31 +0000 [thread overview]
Message-ID: <20080108225631.GA7021@elte.hu> (raw)
In-Reply-To: <20080108.145038.203528847.davem@davemloft.net>
* David Miller <davem@davemloft.net> wrote:
> > WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show()
> > Call Trace:
> > [0000000000492704] lockdep_stats_show+0x6ac/0x6c0
> > [00000000004eb4b4] seq_read+0x5c/0x340
> > [000000000050b2bc] proc_reg_read+0x64/0xa0
> > [00000000004cd72c] vfs_read+0x74/0x120
> > [00000000004cdb4c] sys_read+0x34/0x60
> > [00000000004062d4] linux_sparc_syscall32+0x3c/0x40
> > [0000000000012ff4] 0x12ffc
>
> Please turn off lockdep on sparc64, currently it not reliable. I have
> many things to audit, including how the stack frames are presented to
> the lockdep layer.
>
> So any problem you run into can be due to issues like that.
is this anything the core lockdep code could help improve? Let us know
if any aspect is hindering you.
Ingo
WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@elte.hu>
To: David Miller <davem@davemloft.net>
Cc: m.kozlowski@tuxland.pl, torvalds@linux-foundation.org,
linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show()
Date: Tue, 8 Jan 2008 23:56:31 +0100 [thread overview]
Message-ID: <20080108225631.GA7021@elte.hu> (raw)
In-Reply-To: <20080108.145038.203528847.davem@davemloft.net>
* David Miller <davem@davemloft.net> wrote:
> > WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show()
> > Call Trace:
> > [0000000000492704] lockdep_stats_show+0x6ac/0x6c0
> > [00000000004eb4b4] seq_read+0x5c/0x340
> > [000000000050b2bc] proc_reg_read+0x64/0xa0
> > [00000000004cd72c] vfs_read+0x74/0x120
> > [00000000004cdb4c] sys_read+0x34/0x60
> > [00000000004062d4] linux_sparc_syscall32+0x3c/0x40
> > [0000000000012ff4] 0x12ffc
>
> Please turn off lockdep on sparc64, currently it not reliable. I have
> many things to audit, including how the stack frames are presented to
> the lockdep layer.
>
> So any problem you run into can be due to issues like that.
is this anything the core lockdep code could help improve? Let us know
if any aspect is hindering you.
Ingo
next prev parent reply other threads:[~2008-01-08 22:56 UTC|newest]
Thread overview: 127+ 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 ` [powerpc crash] " Ingo Molnar
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 23:27 ` David Howells
2008-01-08 9:14 ` Alejandro Riveira Fernández
2008-01-08 11:17 ` David Howells
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 16:14 ` Linux 2.6.24-rc7 Alejandro Riveira Fernández
2008-01-07 16:14 ` Alejandro Riveira Fernández
2008-01-07 16:24 ` Michael Buesch
2008-01-07 16:24 ` Michael Buesch
2008-01-07 16:52 ` Alejandro Riveira Fernández
2008-01-07 16:52 ` Alejandro Riveira Fernández
2008-01-07 17:30 ` Michael Buesch
2008-01-07 17:30 ` Michael Buesch
2008-01-07 20:23 ` Alejandro Riveira Fernández
2008-01-07 20:23 ` Alejandro Riveira Fernández
2008-01-08 15:30 ` Michael Buesch
2008-01-08 15:30 ` Michael Buesch
2008-01-08 15:55 ` Alejandro Riveira Fernández
2008-01-08 15:55 ` Alejandro Riveira Fernández
2008-01-24 20:27 ` Linus Torvalds
2008-01-24 21:07 ` John W. Linville
2008-01-24 21:34 ` Linus Torvalds
2008-01-25 12:29 ` Johannes Berg
2008-01-25 16:08 ` Linus Torvalds
2008-01-25 16:23 ` Michael Buesch
2008-01-25 16:43 ` Linus Torvalds
2008-01-25 17:27 ` Dan Williams
2008-01-25 17:38 ` Linus Torvalds
2008-01-25 17:42 ` Dan Williams
2008-02-05 20:55 ` Russell S. Senior
2008-01-25 18:22 ` Linus Torvalds
2008-01-25 18:30 ` Michael Buesch
2008-01-25 19:07 ` Linus Torvalds
2008-01-25 19:34 ` Michael Buesch
2008-01-25 19:48 ` John W. Linville
2008-01-25 19:50 ` John W. Linville
2008-01-25 21:18 ` John W. Linville
2008-01-25 21:56 ` Linus Torvalds
2008-01-25 22:46 ` John W. Linville
2008-01-25 23:20 ` Guy Cohen
2008-01-26 13:53 ` David Miller
2008-01-26 13:47 ` David Miller
2008-01-25 22:02 ` Guy Cohen
2008-01-26 13:40 ` David Miller
2008-01-25 20:28 ` Linus Torvalds
2008-01-26 13:37 ` David Miller
2008-01-27 6:32 ` Linus Torvalds
2008-01-27 7:16 ` Jeff Garzik
2008-01-27 7:24 ` David Miller
2008-01-27 7:54 ` Linus Torvalds
2008-01-28 3:15 ` David Miller
2008-01-25 23:22 ` Jeff Garzik
2008-01-26 13:27 ` David Miller
2008-01-27 6:25 ` Linus Torvalds
2008-01-26 13:22 ` David Miller
2008-01-25 18:21 ` Michael Buesch
2008-01-25 18:34 ` Linus Torvalds
2008-01-25 18:41 ` Michael Buesch
2008-01-25 21:11 ` Inaky Perez-Gonzalez
2008-01-25 21:21 ` Michael Buesch
2008-01-25 21:28 ` Inaky Perez-Gonzalez
2008-01-26 13:42 ` David Miller
2008-01-27 2:26 ` Luis R. Rodriguez
2008-01-29 19:07 ` Inaky Perez-Gonzalez
2008-01-25 21:46 ` John W. Linville
2008-01-25 22:15 ` Michael Buesch
2008-01-25 22:34 ` Tomas Winkler
2008-01-26 13:49 ` David Miller
2008-01-25 21:46 ` Guy Cohen
2008-01-25 21:54 ` Linus Torvalds
2008-01-26 13:46 ` David Miller
2008-01-25 18:34 ` John W. Linville
2008-01-24 22:17 ` Michael Buesch
2008-01-24 22:26 ` Linus Torvalds
2008-01-24 22:33 ` Michael Buesch
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 18:42 ` Mariusz Kozlowski
2008-01-08 21:00 ` Linux 2.6.24-rc7: sparc64: WARNING: at Randy Dunlap
2008-01-08 21:00 ` Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show() Randy Dunlap
2008-01-08 22:39 ` Mariusz Kozlowski
2008-01-08 22:39 ` Mariusz Kozlowski
2008-01-08 22:45 ` Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_proc.c:267 Randy Dunlap
2008-01-08 22:45 ` Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show() Randy Dunlap
2008-01-09 16:31 ` Mariusz Kozlowski
2008-01-09 16:31 ` Mariusz Kozlowski
2008-01-08 22:50 ` Linux 2.6.24-rc7: sparc64: WARNING: at David Miller
2008-01-08 22:50 ` Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show() David Miller
2008-01-08 22:56 ` Ingo Molnar [this message]
2008-01-08 22:56 ` Ingo Molnar
2008-01-08 23:06 ` Linux 2.6.24-rc7: sparc64: WARNING: at David Miller
2008-01-08 23:06 ` Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show() David Miller
2008-01-09 0:52 ` Linux 2.6.24-rc7: sparc64: WARNING: at Ingo Molnar
2008-01-09 0:52 ` Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show() Ingo Molnar
2008-01-09 1:17 ` Linux 2.6.24-rc7 Willy Tarreau
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