[lkml]   [2008]   [Sep]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
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().


 \ /
  Last update: 2008-09-08 17:43    [W:0.106 / U:3.708 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site