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

To: Jean Guyader <jean.guyader@xxxxxxxxx>
Subject: Re: [Xen-devel] RE: [XCI] result of pci vga passthrough
From: Jun Koi <junkoi2004@xxxxxxxxx>
Date: Wed, 15 Apr 2009 19:55:22 +0900
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Tim Moore <timothy.moore@xxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
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On Wed, Apr 15, 2009 at 7:44 PM, Jean Guyader <jean.guyader@xxxxxxxxx> wrote:
> Hi,
> XCI support pass through as a primary display adpater, the patch are
> not into xen unstable.

Does that mean we use only 1 video card (primary), and use it for
DomU? Then Dom0 has no video card?


> 2009/4/15 Tim Moore <timothy.moore@xxxxxxxxxxx>:
>> 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?
>> Thanks,
>> Jun
>>> -----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.
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>> http://lists.xensource.com/xen-devel
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> --
> Jean Guyader

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