Messages in this thread | | | Date | Thu, 16 Aug 2012 15:48:34 +0200 | From | Borislav Petkov <> | Subject | Re: x86, nops settings result in kernel crash |
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On Thu, Aug 16, 2012 at 09:35:12AM -0400, Tomas Racek wrote: > Hi, > > I am writing a file system test which I execute in qemu with kernel compiled from latest git sources and running it causes this error: > > https://bugzilla.kernel.org/show_bug.cgi?id=45971 > > It works with v3.5, so I ran git bisect which pointed me to: > > d6250a3f12edb3a86db9598ffeca3de8b4a219e9 x86, nops: Missing break resulting in incorrect selection on Intel > > To be quite honest, I don't understand this stuff much but I tried to do some debugging and I figured out (I hope) that the crash is caused by setting ideal_nops to p6_nops (k8_nops was used before the break statement was added).
Maybe I overlooked it or maybe it was implied but did you try reverting the patch and rerunning your test? Does it work ok then?
Thanks.
-- Regards/Gruss, Boris.
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