Maybe you need to provide more information about your VGA device, for example, “lspci –vvv”. In addition, from your log, seems expansion rom bar is not
correctly handled. You may refer to this wiki page to check whether something is missed in your side. http://wiki.xen.org/wiki/Xen_VGA_Passthrough
Xiantao
From: xen-devel-bounces@xxxxxxxxxxxxx [mailto:xen-devel-bounces@xxxxxxxxxxxxx]
On Behalf Of G.R.
Sent: Monday, December 03, 2012 11:48 AM
To: xen-devel
Subject: [Xen-devel] Issue about domU missing interrupt
Hi developers,
I met some domU issues and the log suggests missing interrupt.
Details from here:
http://www.gossamer-threads.com/lists/xen/users/263938#263938
In summary, this is the suspicious log:
(XEN) vmsi.c:122:d32767 Unsupported delivery mode 3
I've checked the code in question and found that mode 3 is an 'reserved_1' mode.
I want to trace down the source of this mode setting to root-cause the issue.
But I'm not an xen developer, and am even a newbie as a xen user.
Could anybody give me instructions about how to enable detailed debug log?
It could be better if I can get advice about experiments to perform / switches to try out etc.
My SW config:
dom0: Debian wheezy (3.6 experimental kernel, xen 4.1.3-4)
domU: Debian wheezy 3.2.x stock kernel.
Thanks,
Timothy
