Yes, I can use guest with this way, But when i hot-add my graphics card , Guest will reboot.
So i want to try it with <hostdev>. Somehow , If i use "hostdev" without xvga , my screen will be black.
If we have no hostdev, do you have other methods can help me to use hot-plug my graphics card?
At 2018-01-04 23:27:52, "Laine Stump" <laine@xxxxxxxxxx> wrote: >On 12/20/2017 09:40 PM, Rogue S.T wrote: >> Hello,my system info: >> virsh verison >> Compiled against library: libvirt 3.9.0 >> Using library: libvirt 3.9.0 >> Using API: QEMU 3.9.0 >> Running hypervisor: QEMU 2.10.90 >> And i want to pass through my gpu to my window 7 guest with <hostdev>, >> next line is comand i use: >> <hostdev mode='subsystem' type='pci' managed='yes' xvga='yes'> > > >I'm not sure where you got the idea that libvirt's <hostdev> element had >an attribute called "xvga", but it doesn't. > >If your GPU needs to have QEMU's xvga setting turned on, this posting >from ALex's blog explains how to do it using libvirt's QEMU commandline >passthrough: > >http://vfio.blogspot.com/2016/09/passing-qemu-command-line-options.html > >I would recommend reading all the other postings in his blog as well, as >they are very informative. > >> <source> >> <address domain='0x0000' bus='0x01' slot='0x00' function='0x0'/> >> </source> >> <rom bar='on' file='/root/gpu.dump'/> >> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' >> function='0x0'/> >> </hostdev> >> But i get this error: >> XML document failed to validate against schema: Unable to >> validate doc against /ocl/share/libvirt/schemas/domain.rng >> Extra element devices in interleave >> Element domain failed to validate content >> If i delete xvga='yes',it's ok, but i get a other question, my display >> is not light. >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> libvirt-users mailing list >> libvirt-users@xxxxxxxxxx >> https://www.redhat.com/mailman/listinfo/libvirt-users >>
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