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    SubjectRe: [BUG] x86 kenel won't boot under Virtual PC
    Ingo Molnar wrote:
    >> I thought you agreed that CPU virtualization can be a problem? That
    >> was the whole excuse for why the dynamic code was changed. Why would
    >> it not be true for the static code?
    >> The fact is, if you want to run on a Core2 or other modern CPU, then
    >> "Virtual PC" is apparently buggy in this respect. You worked around it
    >> for the dynamic choice - but that's totally _pointless_ if you then
    >> don't want to work around it for the static one.
    > yes. X86_P6_NOPS is a totally insignificant optimization and if it makes
    > _any_ CPU not boot (be that virtual or real), then it's frankly not
    > worth it.
    > David, exactly how does the kernel fail to boot with latest -git?
    > (v2.6.27-rc5-313-g64f996f or later) Does detect_nopl() run? It really
    > should, and it should detect the non-working instructions.

    It almost certainly never gets as far as detect_nopl().


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      Last update: 2008-09-08 17:43    [W:0.031 / U:114.656 seconds]
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