Messages in this thread | | | Date | Mon, 18 Aug 2014 16:39:24 +0200 | From | Paolo Bonzini <> | Subject | Re: [PATCH] KVM: x86: Increase the number of fixed MTRR regs to 10 |
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Il 18/08/2014 16:31, Nadav Amit ha scritto: > The cause for the blue-screen appears to be seabios, which leaves only 0x20 slots for “smp_mtrr”s. > Apparently, the increase in the variable range MTRR count caused it to exhaust the available slots. > As a result, some MSRs are not initialised by the BIOS (specifically, 3.5-4GB are not marked as UC), and cause Windows to panic. > > Once we increase the size of the array smp_mtrr in seabios, Windows boots. > > Paolo, you may wish to revert the patch. Please note that it was applied to some stable branches.
Thanks. I'll post a patch to SeaBIOS too, since this should happen on bare metal too.
Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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