On 06/30/2009 09:16 AM, Han, Weidong wrote:
Subash Kalbarga wrote:
Hi
I am using kvm-86 on 2.6.28 and I am able to pass through most of my
PCI devices successfully. However, I do not see even the KVM BIOS
output if I pass through my VGA adapter. I am doing -vga none,
-nographic and -pcidevice host=xx:yy.z
Should I expect to see the kvm BIOS output? Is VGA pass-through
something that is expected to work?
Currently VGA pass-through is not supported in KVM. It needs much work to support it.
What does it need?
Here's what I know of:
- load the vga bios at 0xc0000
- implement whatever main bios interfaces the vga vios expects
- pass through the vga I/O ports
Anything else?
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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