From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [2.6.25-rc5-mm1][regression?] BUG: spinlock wrong CPU, modprobe
Date: Tue, 18 Mar 2008 00:17:20 -0700 [thread overview]
Message-ID: <20080318001720.9b6aea83.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080317120848.7B3F.KOSAKI.MOTOHIRO@jp.fujitsu.com>
On Mon, 17 Mar 2008 13:25:26 +0900 KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> Hi
>
> I found strange message at 2.6.25-rc5-mm1 booting.
> and it is always reproduce.
>
>
> and, Eric Piel's spinlock related patch(below URL) can't fixed my problem.
> http://marc.info/?l=linux-kernel&m=120561027011749&w=2
>
> Is this known bug?
> or should i do bisect?
>
>
>
> -------------------------------------------------------------------
> BUG: spinlock wrong CPU on CPU#3, udevd/2495
> lock: a040000058246510, .magic: dead4ead, .owner: udevd/2495, .owner_cpu: 2
>
> Call Trace:
> [<a000000100015f00>] show_stack+0x80/0xa0
> sp=e00001609262fbd0 bsp=e000016092620fd8
> [<a000000100015f50>] dump_stack+0x30/0x60
> sp=e00001609262fda0 bsp=e000016092620fc0
> [<a0000001004674a0>] spin_bug+0x1a0/0x1c0
> sp=e00001609262fda0 bsp=e000016092620f90
> [<a000000100467590>] _raw_spin_unlock+0xd0/0x120
> sp=e00001609262fda0 bsp=e000016092620f60
> [<a00000010082bfe0>] _spin_unlock+0x20/0x40
> sp=e00001609262fda0 bsp=e000016092620f40
> [<a000000100138100>] do_wp_page+0x500/0xfe0
> sp=e00001609262fda0 bsp=e000016092620ed8
> [<a00000010013c560>] handle_mm_fault+0xe80/0x10e0
> sp=e00001609262fda0 bsp=e000016092620e50
> [<a00000010006c140>] ia64_do_page_fault+0x600/0xa40
> sp=e00001609262fda0 bsp=e000016092620df0
> [<a00000010000abe0>] ia64_leave_kernel+0x0/0x270
> sp=e00001609262fe30 bsp=e000016092620df0
>
I'm unaware of any other reports of anything like this so yes, please do
bisect it if you have the time.
next prev parent reply other threads:[~2008-03-18 7:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-17 4:25 [2.6.25-rc5-mm1][regression?] BUG: spinlock wrong CPU, modprobe KOSAKI Motohiro
2008-03-17 13:32 ` KOSAKI Motohiro
2008-03-18 7:17 ` Andrew Morton [this message]
2008-03-18 9:46 ` KOSAKI Motohiro
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