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

  • To: Tim Moore <timothy.moore@xxxxxxxxxxx>
  • From: Jun Koi <junkoi2004@xxxxxxxxx>
  • Date: Wed, 15 Apr 2009 19:32:18 +0900
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
  • Delivery-date: Wed, 15 Apr 2009 03:32:43 -0700
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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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