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Re: [Xen-devel] [XenGT][IGVT-g] DomU pgt_device structure initialization
- To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
- From: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxxxxxxxx>
- Date: Mon, 11 Jan 2016 05:44:15 +0000
- Cc: "igvt-g@xxxxxxxxxxx" <igvt-g@xxxxxxxxxxx>, "Li, Susie" <susie.li@xxxxxxxxx>, "Dong, Eddie" <eddie.dong@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>, Gerd Hoffmann <kraxel@xxxxxxxxxx>, "igvt-g@xxxxxxxxxxxx" <igvt-g@xxxxxxxxxxxx>
- Delivery-date: Mon, 11 Jan 2016 05:44:38 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
Hello.
Thanks for answer.
About what agent are u talking about? I did not install anything additional, just took vgt kernel and used it for Ubuntu distro.
I will look in events, thanks.
With the best regards,
Oleksii
Did you install some specific agent within VM to utilize vgtbuffer ioctl interface? Itâs not a bare metal i915 interface so suppose it shouldnât
be invoked for a default Linux distro environment. Yes we should add check to prevent it from being used within VM.
Â
However this error has nothing to do with your laggy UI issue. From my experience such issue is most likely being caused by losing interrupts.
For example I saw below error message in your log (only partial line):
Â
[ 5412.902817] vGT error:(vgt_handle_events:1845) IRQ: abandon non-registered [)
You can look into the event detail to see whether such event should be explicitly handled on your platform.
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