[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] [PATCH][HVM] Reserve MMIO a0000-c0000 in ACPI dsdt
> >> This patch reserves MMIO 0xa0000 to 0xc0000 in ACPI dsdt, it avoids >> possible vga driver loading problem in HVM Windows guest. >> Also fixes a Makefile bug in hvmloader directory. > >Is this *actually* a problem? I didn't think BIOS tables had to report >0xA0000-0xBFFFF as special. Certainly e820 and EFI reporting mechanisms >should ignore it as the hole is a well-defined part of the PC >memory layout. >Also OSes don't treat or probe for standard vga as a pci device. > without this fix, 32bit Vista boots ok, but 64bit Vista can not load vga driver. -Xin _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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