linux-kernel - [2.6.25-rc5-mm1][regression?] BUG: spinlock wrong CPU, modprobe

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Date:	Mon, 17 Mar 2008 13:25:26 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	kosaki.motohiro@...fujitsu.com
Subject: [2.6.25-rc5-mm1][regression?] BUG: spinlock wrong CPU, modprobe

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



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