Re: EFI mixed mode + perf = rampant triple faults

From: Borislav Petkov
Date: Wed Jan 14 2015 - 13:35:54 EST


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");

> 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.
--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/