From: Avi Kivity <avi@redhat.com>
To: "Han, Weidong" <weidong.han@intel.com>
Cc: "'Subash Kalbarga'" <Subashk@ami.com>,
"'kvm@vger.kernel.org'" <kvm@vger.kernel.org>
Subject: Re: VGA pass-through
Date: Tue, 30 Jun 2009 09:51:19 +0300 [thread overview]
Message-ID: <4A49B5E7.2010509@redhat.com> (raw)
In-Reply-To: <715D42877B251141A38726ABF5CABF2C0545A1FAD1@pdsmsx503.ccr.corp.intel.com>
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.
next prev parent reply other threads:[~2009-06-30 6:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-29 18:19 VGA pass-through Subash Kalbarga
2009-06-30 6:16 ` Han, Weidong
2009-06-30 6:51 ` Avi Kivity [this message]
2009-06-30 7:46 ` Han, Weidong
2009-06-30 8:56 ` Michael Tokarev
2009-06-30 9:37 ` Han, Weidong
2009-06-30 12:11 ` Michael Tokarev
2009-06-30 12:37 ` Han, Weidong
2009-06-30 13:33 ` Michael Tokarev
2009-06-30 14:01 ` Subash Kalbarga
2009-08-18 23:27 ` nathan binkert
2009-08-19 3:18 ` Han, Weidong
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