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RE: [Xen-devel] RE: [XCI] result of pci vga passthrough

To: 'Jun Koi' <junkoi2004@xxxxxxxxx>
Subject: RE: [Xen-devel] RE: [XCI] result of pci vga passthrough
From: Tim Moore <timothy.moore@xxxxxxxxxxx>
Date: Wed, 15 Apr 2009 11:38:14 +0100
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Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
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Thread-topic: [Xen-devel] RE: [XCI] result of pci vga passthrough
XCI is supposed to provide more rounded support as it seems that most 
development of vendor workarounds are in XCI.

Not official answer, maybe Xen developers can give a better steer?

-----Original Message-----
From: Jun Koi [mailto:junkoi2004@xxxxxxxxx] 
Sent: 15 April 2009 11:32
To: Tim Moore
Cc: Stefano Stabellini; xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] RE: [XCI] result of pci vga passthrough

On Wed, Apr 15, 2009 at 7:28 PM, Tim Moore <timothy.moore@xxxxxxxxxxx> wrote:
> Hi Stefano,
> Please find attached, logs from XCI and a quick jpg of the WinXP host.
> I will compile Xen for XCI with debug if necessary?

Could you explain why you use XCI for this kind of thing (video
passthrough)? Because it provides better support?


> -----Original Message-----
> From: Stefano Stabellini [mailto:stefano.stabellini@xxxxxxxxxxxxx]
> Sent: 15 April 2009 10:50
> To: Tim Moore
> Cc: 'Bryan York'; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] good progress on pci vga passthrough in xen-3.4-rc1
> Tim Moore wrote:
>> Thanks Stefano,
>> I have tried all your suggestions with both XCI and Xen-rc1 already to no 
>> avail. It works for pv DomU but not HVM.
>> Disable/enable Cirrus - no effect, tried -std-vga -vga none and all host of 
>> combinations. When trying primary, the DomU seems to fail and qemu just 
>> quits I think due to no video.
>> Can I get some dmesg / logs that will help to analyse further?
>> As I just mentioned to Kier, I'm more than willing to help the community out 
>> with this one ;) I have been writing code for Win32 for years, i`m just a 
>> bit new to the Xen scene and developing towards the hw.
> In this case you are interested in the qemu and xen logs.
> For qemu, just open /var/log/xen/qemu-dm-guestname.log; for xen
> compile the hypervisor with debug = y (in Config.mk) and keep an eye on
> the serial.
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