linux-kernel - Re: [BUG]:WARNING: at arch/x86/kernel/rtc.c:122 in 2.6.26-rc1

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Date:	Wed, 07 May 2008 23:46:17 +0200
From:	Mirco Tischler <mt-ml@....de>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Ingo Molnar <mingo@...hat.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [BUG]:WARNING: at arch/x86/kernel/rtc.c:122 in 2.6.26-rc1

On Mi, 2008-05-07 at 22:58 +0200, Thomas Gleixner wrote:
> On Wed, 7 May 2008, Mirco Tischler wrote:
> 
> > On Mi, 2008-05-07 at 21:06 +0200, Thomas Gleixner wrote:
> > > > [11677.490019] CPU1 is down
> > > > [11677.490149] Extended CMOS year: 2000
> > > > [11677.490149] x86 PAT enabled: cpu 0, old 0x7040600070406, new
> > > > 0x7010600070106
> > > > [11677.490747] Back to C!
> > > > [11677.490952] microcode: CPU0 updated from revision 0x92 to 0x92, date
> > > > = 03132007 
> 
> That's an odd one: updated from revision 0x92 to 0x92
> 
> It's right before the warning triggers. Is this microcode message in
> all your boot/resume logs ?
Yes, wondered about that too. It's defintely not on all resumes. But it
is on more than that single one triggering the warning:
May  7 19:53:21 kernel: [4307505.090195] Extended CMOS year: 2000
May  7 19:53:21 kernel: [4307505.090195] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
May  7 19:53:21 kernel: [4307505.090195] Back to C!
May  7 19:53:21 kernel: [4307505.090195] microcode: CPU0 updated from revision 0x92 to 0x92, date = 03132007 
May  7 19:53:21 kernel: [4307505.090195] Extended CMOS year: 2000

May  7 21:52:04 kernel: [4294896.091827] Extended CMOS year: 2000
May  7 21:52:04 kernel: [4294896.091827] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
May  7 21:52:04 kernel: [4294896.091827] Back to C!
May  7 21:52:04 kernel: [4294896.091827] Extended CMOS year: 2000

Thanks
Mirco

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