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

From: Mirco Tischler
Date: Wed May 07 2008 - 17:47:22 EST


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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