linux-kernel - Re: [BUG] linux-next: Tree for August 26

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Date:	Wed, 27 Aug 2008 06:48:06 -0700
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	linuxppc-dev@...abs.org, mingo@...e.hu,
	Andy Whitcroft <apw@...dowen.org>
Subject: Re: [BUG] linux-next: Tree for August 26 - Badness at kernel/notifier.c:25

Kamalesh Babulal wrote:
> 
> Thanks for reference of the patch, After replacing the patch with the latest 
> one above on the powerpc, the warning still remains
> 
> Badness at kernel/notifier.c:86

sadly you have something going on that doesn't list the modules loaded etc...

is this during boot or way later?
(because if it's the later, you might be hitting a legitimate bug ;-)

> NIP: c000000000081470 LR: c000000000081494 CTR: c00000000005a2d0
> REGS: c0000021ce0bfaf0 TRAP: 0700   Not tainted  (2.6.27-rc4-next-20080826-autotest)
> MSR: 8000000000029032 <EE,ME,IR,DR>  CR: 24008042  XER: 00000005
> TASK = c0000015de080000[1] 'swapper' THREAD: c0000021ce0bc000 CPU: 0
> GPR00: c000000000081494 c0000021ce0bfd70 c00000000081e940 c000000000749c38 
> GPR04: 0000000000000003 0000000000000001 ffffffffffffffff c0000021ce0bfe90 
> GPR08: ffffffffffffffff ffffffffffffffff c0000000004fd9f0 c0000000004fd9f0 
> GPR12: 0000000024000042 c00000000089c300 0000000002307ef0 c0000000006332a0 
> GPR16: c000000000631f28 c000000000633388 00000000018bf8b0 0000000002700000 
> GPR20: c00000000070b07c c000000000707ef0 c000000000708160 c000000000631c58 
> GPR24: 0000000000000003 0000000000000001 c0000021ce0bfe90 0000000000000000 
> GPR28: ffffffffffffffff c000000000749c20 c0000000007bf338 c000000000749c38 
> NIP [c000000000081470] .notifier_call_chain+0x70/0x140
> LR [c000000000081494] .notifier_call_chain+0x94/0x140
> Call Trace:
> [c0000021ce0bfd70] [c000000000081494] .notifier_call_chain+0x94/0x140 (unreliable)
> [c0000021ce0bfe20] [c0000000004fe3fc] .cpu_up+0x10c/0x200
> [c0000021ce0bfee0] [c0000000006cdcc0] .kernel_init+0x1b0/0x440
> [c0000021ce0bff90] [c0000000000299cc] .kernel_thread+0x4c/0x68
> Instruction dump:
> e8630000 2fa30000 419e00f0 2fa60000 419e00e8 2e270000 7c7f1b78 3b600000 
> 48000028 60000000 60000000 60000000 <0fe00000> 2fbd0000 2f3c0000 7fbfeb78 
> 
> 

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