Simple way of converting: ps -ef | grep qemu It'll show what libvirt starts. On Apr 11, 2016 6:18 PM, "Stefan Seil" <stefan.s...@gmx.net> wrote:
> I have assigned two CPU cores to the VM and the performance graph in > virt-manager shows a constant 50-51% usage. > I have created two simple virtual drives (both IDE, raw), one to use as a > hard disk and one for a CDROM drive to boot the installation image. This > was done in the setup wizard in virt-manager, so this is more or less the > default configuration I guess. As I said before, the VM boots this > without problems if I remove the assigned graphics card from it. > I don't pass through anything but the two PCI devices for my graphics card > (one for the GPU, one for the HDMI audio). > > I tried converting the XML configuration to qemu arguments with > domxml-to-native, but I get this error every time: > > Error: Internal Error: invalid PCI passthrough type 'default' > > I have searched for an explanation and potential solution to this error, > but the only thing I found was about a bug in libvirt from two years ago, > so I am not sure what this error is supposed to mean. I will have to > further investigate this. > For reference, here is the XML configuration: http://pastebin.com/RNDhgdK1 > > > Am 10.04.2016 um 16:46 schrieb Blank Field: > > 100% one core CPU? > What kind of disk device you have? > Are you passing through a physical disk? > > What you can do - convert libvirt xml into a usual qemu command line, and > add an ISA debug console and check OVMF debug output in it. > On Apr 10, 2016 5:04 PM, "Stefan Seil" <stefan.s...@gmx.net> wrote: > >> Hello there! >> >> I am trying to set up a PCI passthrough for my graphics card. I followed >> the instructions on vfio.blogspot.com and used vfio-pci and OVMF, and so >> far everything seemed to work fine. When I now try to start the VM with my >> graphics card passed through, though, it shows the TianoCore boot splash >> (with the successfull memory test notice on the bottom) on the monitor >> connected to the card and stops there. I tried waiting for quite a while, >> but it is stuck at this boot splash. If I remove the PCI devices from the >> VM, the OS boots without problems. >> >> I don't see any error messages in any of the relevant logs I can think of >> (libvirt log, dmesg, virt-manager itself). The only line showing up in the >> libvirt log (/var/log/libvirt/qemu/...) is the following: >> >> 2016-04-10 10:45:08.461+0000: starting up libvirt version: 1.3.2, >> package: 0~15.10~ppa0 (Jacob Zimmermann <p...@jzimm.net> Fri, 04 >> Mar LC_ALL=C >> PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin >> QEMU_AUDIO_DRV=spice >> /usr/bin/kvm-spice -name xubuntu2 -S -char device redirected to /dev/pts/9 >> (label charserial0) >> >> I don't really have an idea what the problem could be, especially since >> there are no errors showing up. I am using an Intel Core i5-3470, a >> Sapphire HD 7850 (AMD) and Xubuntu 15.10 on the host. I installed all the >> relevant tools from a PPA by Jacob Zimmermann in order to get more recent >> versions of qemu, virt-manager and the likes. >> >> One thing I should note is that the ROM of my graphics card does not >> support UEFI out of the box. As it is, the passthrough did not work at all; >> there was nothing showing up on the monitor connected to the card. I found >> a ROM from a similar model by Gigabyte that supports UEFI, though, and >> passed it to the VM. Now the monitor shows the TianoCore boot splash, but >> stops there. Could this be the problem? I would think that it should work >> this way, though, as the boot splash is already passed to the card; >> otherwise there would be nothing showing up on the monitor, right? >> >> _______________________________________________ >> vfio-users mailing list >> vfio-users@redhat.com >> https://www.redhat.com/mailman/listinfo/vfio-users >> >> >
_______________________________________________ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users
