Messages in this thread | | | From | Andy Lutomirski <> | Date | Wed, 14 Jan 2015 10:38:25 -0800 | Subject | Re: EFI mixed mode + perf = rampant triple faults |
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On Wed, Jan 14, 2015 at 10:35 AM, Borislav Petkov <bp@alien8.de> wrote: > On Wed, Jan 14, 2015 at 10:27:47AM -0800, Andy Lutomirski wrote: >> How are you manually triggering an MCE? I've been playing with some >> MCE stuff recently, but the only reasonably reliable way I know of to >> trigger an MCE is using WHEA, and I don't have a box with WHEA, and I >> assume your ASUS T100 doesn't either. > > asm volatile("int $18");
That's not a real MCE, though -- it happens synchronously instead of at MCE priority with all the associated messiness. Or is the idea to just stick that in after switching to the 32-bit mode being tested?
--Andy
> >> Tianocore makes assumptions about the kernel's GDT layout? Yuck. > > Yuck indeed. > > -- > Regards/Gruss, > Boris. > > Sent from a fat crate under my desk. Formatting is fine. > --
-- Andy Lutomirski AMA Capital Management, LLC
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