He's also should be able to attach just the .efi file or install graphics drivers via qxl. On Apr 11, 2016 6:48 PM, "Laszlo Ersek" <ler...@redhat.com> wrote:
> On 04/10/16 16:46, Blank Field wrote: > > > 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. > > * Yes, capturing the OVMF debug log should be the first step when > reporting apparent OVMF issues. > > You can get that log without resorting to the raw QEMU command line. > Modify your domain XML like this: > > - add the following attribute to the root element of the domain XML: > > <domain > type='kvm' > xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0' <-- this one > > > > - add the following XML fragment near the end of the domain XML, as a > direct child of the <domain> element: > > <qemu:commandline> > <qemu:arg value='-global'/> > <qemu:arg value='isa-debugcon.iobase=0x402'/> > <qemu:arg value='-debugcon'/> > <qemu:arg value='file:/tmp/guest_name.log'/> > </qemu:commandline> > > This will send the OVMF log to "/tmp/guest_name.log". > > * Regarding the specific case: a UEFI oprom for a GPU may easily be > buggy even if it matches the card. If you are experimenting with > "similar" drivers, all bets are off. Please buy a decent card (Alex has > recommended the GTX750 several times; I myself bought one on his > recommendation, and have had zero problems with it). Or else, at least > get an officially supported driver binary from the manufacturer, please. > > Thanks > Laszlo >
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