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SubjectRe: [BUG] (regression) AMD k6-III/450 won't boot w/2.6.22-rc1
Andi Kleen wrote:
> Hmpf.
> We cold either use rdmsr_safe or add a family check again or clear it
> in k6 setup. I think clearing it in setup is cleanest.
> Does this patch work?
> -Andi
> Clear MCE flag on AMD K6
> It reports machine check capability in CPUID, but doesn't actually
> implement all the necessary MSRs of the standard Intel machine
> check architecture.
> This fixes a boot failure recently introduced.
> Signed-off-by: Andi Kleen <>

ACK. I reinstalled Joachim's patch (default 2.6.22-rc1 state), and
added your patch. Life is good: we have a fix/workaround.

Bob Tracy WTO + WIPO = DMCA?
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