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SubjectRe: 2.6.31-rc5 regression: x86 MCE malfunction on Thinkpad T42p
On Mon, Aug 10, 2009 at 12:31:47PM +0200, Andi Kleen wrote:
> Johannes Stezenbach <js@sig21.net> writes:
>
> > Call Trace:
> > [<c10248c1>] warn_slowpath_common+0x60/0x90
> > [<c10248fe>] warn_slowpath_null+0xd/0x10
> > [<c1013139>] native_apic_write_dummy+0x2d/0x39
> > [<c100dcd2>] intel_init_thermal+0xb6/0x144
> > [<c100d517>] ? mce_init+0x33/0xb0
> > [<c100db4b>] mce_intel_feature_init+0xb/0x4c
> > [<c14fc31e>] mcheck_init+0x1e2/0x253
> > [<c14faef4>] identify_cpu+0x30b/0x31b
> > [<c14d9af0>] identify_boot_cpu+0xd/0x23
> > [<c14d9b3c>] check_bugs+0xb/0xd4
> > [<c104f929>] ? delayacct_init+0x42/0x49
> > [<c14d493c>] start_kernel+0x25e/0x26d
> > [<c14d430b>] i386_start_kernel+0x65/0x6a
> > ---[ end trace 4eaa2a86a8e2da22 ]---
>
>
> The appended patch should remove the warning. Can you please test it?

It works (no more warning), but I feel I'm better off using "lapic"
because it enables thermal monitoring and performance counters.


Thanks,
Johannes


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