I use Win 7 without a qxl screen (qxl only needed for initial setup) with pure OVMF/UEFI boot. But... I have a Quadro K2000. Perhaps if you install the virtio driver for the qxl prior to removing it, you'll be ok. Or you can keep it on: it does no harm AFAIK.
> On Jul 6, 2016, at 9:52 AM, Thomas Lindroth <thomas.lindr...@gmail.com> wrote: > > I got a GTX 970 card some days ago and decided to overhaul my setup. I > don't want to rely on the VGA arbitration patch anymore but I also want > to use windows 7. I know there are problems with win 7 but from my > testing win 10 is not for me and I want to avoid it as long as possible. > > I first attempted to forward the new gpu as usual and install win 7 but > the installer would just hang at the boot splash. Turns out win 7 can do > UEFI boot but it still tries to access VBE. I use OVMF pure, > vfio-pci.disable_vga=1 and x-vga=off so that is not going to work. > > By replacing the real gpu with the virtual qxl I could finish the > installation but nvidia's driver refused to install because it couldn't > find the right hardware. By adding both my real gpu and qxl I could > install the drivers. I don't know which card is considered the primary > in that setup. On the next reboot I got the Tianocore boot splash on > both screens, windows boot slash on the qxl window only and finally the > desktop on my real gpu. According to the device manager the qxl device > had failed with "Code 43". I never bothered to install the virtio > drivers for qxl. > > The next logical step was to try to remove the qxl device but > unfortunately windows bootloader will then fail: > "Windows failed to start. A recent hardware or software change might be > the cause > Info: An error occurred while attempting to read the boot configuration > data" > > I know I'm not the only one using win 7 with UEFI but I'm wondering if > other people also have to keep a extra virtual gpu for things to work? > As far as I can tell everything works as it should so unless there is > some downside to the extra device I'll just keep it? > > _______________________________________________ > 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
