Re: [ovirt-users] Is it possible to disable qxl video?

On 08/07/16 11:29 +0200, Michal Skrivanek wrote: > > On 06 Jul 2016, at 14:06, Francesco Romani <fromani(a)redhat.com&gt; wrote: >> >> >> From: "Arman Khalatyan" <arm2arm(a)gmail.com&gt; >> To: "users" <users(a)ovirt.org&gt; >> Sent: Monday, July 4, 2016 11:52:24 AM >> Subject: [ovirt-users] Is it possible to disable qxl video? >> >> >> Hi, >> I am doing PCI Passthrough for GPUs. >> Is it possible somehow to disable/remove default video qxl? >> thanks, >> Arman,. >> Hi, >> >> The 4.0 Vdsm allows you to run a headless VM, meaning a VM without >> graphic device/frontend. >> Not sure Engine allows you that however. >> > > no it doesn’t > Even if engine allowed that, it may not be the correct solution. Running headless with PCI passthrough is considered primary VGA passthrough[1]. Using primary VGA passthrough without OVMF could cause (will cause) quite a bit of headaches. If you really want to try that, I assume using before_vm_start hook to remove the video device should be enough. [1] http://wiki.xenproject.org/wiki/Xen_VGA_Passthrough - it's possible to read about primary and secondary passthrough between the lines However, if QXL is the problem (why is that so?) then you can switch to > VGA(or CIRRUS if this is still 3.6) > > I'm afraid you will need to write a Vdsm hook. >> >> There could be simpler solutions depending on the Engine >> >> Bests, >> >> -- >> Francesco Romani >> RedHat Engineering Virtualization R & D >> Phone: 8261328 >> IRC: fromani >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org <mailto:Users@ovirt.org> >> http://lists.ovirt.org/mailman/listinfo/users < >> http://lists.ovirt.org/mailman/listinfo/users> >> > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >