From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>,
LKML <linux-kernel@vger.kernel.org>, Andi Kleen <ak@suse.de>
Subject: Re: mm snapshot broken-out-2007-03-18-02-44.tar.gz uploaded
Date: Tue, 20 Mar 2007 19:22:33 +0100 [thread overview]
Message-ID: <20070320182233.GC4286@bingen.suse.de> (raw)
In-Reply-To: <20070320083627.27d90a91.akpm@linux-foundation.org>
On Tue, Mar 20, 2007 at 08:36:27AM -0800, Andrew Morton wrote:
> > caller is avail_to_resrv_perfctr_nmi_bit+0x2b/0x43
> > [<c0105256>] show_trace_log_lvl+0x1a/0x2f
> > [<c010597b>] show_trace+0x12/0x14
> > [<c0105a3d>] dump_stack+0x16/0x18
> > [<c0213313>] debug_smp_processor_id+0xb3/0xc8
> > [<c0116a26>] avail_to_resrv_perfctr_nmi_bit+0x2b/0x43
> > [<fdc819b9>] nmi_create_files+0x2a/0x10e [oprofile]
> > [<fdc80f52>] oprofile_create_files+0xe6/0xec [oprofile]
> > [<fdc81157>] oprofilefs_fill_super+0x78/0x7e [oprofile]
> > [<c0182d2e>] get_sb_single+0x59/0x9f
> > [<fdc8108f>] oprofilefs_get_sb+0x1c/0x1e [oprofile]
> > [<c0182792>] vfs_kern_mount+0x81/0xf1
> > [<c0182852>] do_kern_mount+0x38/0xde
> > [<c0196671>] do_mount+0x605/0x693
> > [<c019677f>] sys_mount+0x80/0xb5
> > [<c0104270>] syscall_call+0x7/0xb
> > =======================
>
> Odd. It looks like oprofile has been doing this for some time. Andi,
> there are a few changes in the NMI area - can you think of one whihc would
> have triggered this?
Looks like it was always broken. avail_to_resrv_perfctr_nmi_bit() must
always do all this for all possible CPUs, not just the current one.
I can cook up a patch.
-Andi
prev parent reply other threads:[~2007-03-20 17:23 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-18 9:44 mm snapshot broken-out-2007-03-18-02-44.tar.gz uploaded akpm
2007-03-18 18:35 ` Michal Piotrowski
[not found] ` <6bffcb0e0703190845s6bdc1a65p71937d1dffbf6d9e@mail.gmail.com>
2007-03-19 15:54 ` Pekka J Enberg
2007-03-19 16:29 ` Michal Piotrowski
2007-03-19 16:34 ` Michal Piotrowski
2007-03-19 16:39 ` Pekka J Enberg
2007-03-19 16:38 ` Pekka J Enberg
2007-03-19 16:45 ` Michal Piotrowski
[not found] ` <6bffcb0e0703191024w527638f8yacc3a8fea9fd451d@mail.gmail.com>
2007-03-19 18:02 ` Michal Piotrowski
2007-03-19 18:10 ` Pekka J Enberg
2007-03-19 19:27 ` Michal Piotrowski
2007-03-19 23:25 ` Andrew Morton
2007-03-20 11:43 ` Sam Ravnborg
2007-03-19 19:23 ` Michal Piotrowski
2007-03-19 21:08 ` Andrew Morton
[not found] ` <6bffcb0e0703191437i2ee706d4xaec3bc11ca7c3234@mail.gmail.com>
2007-03-20 1:58 ` Andrew Morton
2007-03-20 2:02 ` Andrew Morton
2007-03-20 2:47 ` Nick Piggin
2007-03-20 4:56 ` Andrew Morton
2007-03-20 5:17 ` Nick Piggin
2007-03-20 5:18 ` Nick Piggin
2007-03-20 9:07 ` Michal Piotrowski
2007-03-19 19:56 ` Michal Piotrowski
2007-03-20 7:17 ` Michal Piotrowski
2007-03-20 16:36 ` Andrew Morton
2007-03-20 18:22 ` Andi Kleen [this message]
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