Re: 2.6.31-rc5 regression: x86 MCE malfunction on Thinkpad T42p

[Bartlomiej Zolnierkiewicz]

On Sunday 09 August 2009 12:03:48 Johannes Stezenbach wrote:
> On Fri, Aug 07, 2009 at 07:09:42PM +0200, Johannes Stezenbach wrote:
> > 
> > I'm currently running linux-2.6.31-rc5-246-g90bc1a6 on
> > an old Thinkpad T42p.  During boot I get the following:
> ...
> > I guess I should try to boot with "lapic"?  But I think
> > MCE worked without "lapic" in earlier kernels. On a 2.6.29.1
> > kernel dmesg said:
> > 
> >    Local APIC disabled by BIOS -- you can enable it with "lapic"
> >    ...
> >    Intel machine check architecture supported.
> >    Intel machine check reporting enabled on CPU#0.
> > 
> > 2.6.29.1 doesn't log any MCE events, so I doubt this is a HW problem.

http://patchwork.kernel.org/patch/37908/
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