On Wed, 2013-08-28 at 19:42 +0200, Gustav Sorenson wrote: > Hello, > > yes, 1:00.0 is the GTX 660, and yes, I'm running X on the host. > When I boot into runlevel 1 (on Mint, which is Debian-based, so that > corresponds to a single-user runlevel without X, although I saw a > not-very-fancy boot splashscreen), this is what dmesg | grep -i vga > gives me: > > [ 0.000000] Console: colour VGA+ 80x25 > [ 0.324894] vgaarb: device added: > PCI:0000:00:01.0,decodes=io+mem,owns=io+mem,locks=none > [ 0.324903] vgaarb: device added: > PCI:0000:01:00.0,decodes=io+mem,owns=none,locks=none > [ 0.324905] vgaarb: loaded > [ 0.324906] vgaarb: bridge control possible 0000:01:00.0 > [ 0.324907] vgaarb: no bridge control possible 0000:00:01.0 > [ 16.459085] hda-intel 0000:01:00.1: Handle VGA-switcheroo audio client Ok, so it's probably X. You might be able to start your guest from here and get VGA through the gtx660 (assuming nothing else is broken with radeon VGA arbiter support). You could also run startx to confirm that it's X doing all those VGA arbiter writes. Thanks, Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html