Did vfio-pci bind? I would bind the vfio before nvidia in your script. You can try to unbind from nvidia but I know it generally doesn't work well. So for #2 I wouldn't expect that to work. I'm pretty bad with the boot process so I'll leave that for someone else. On Feb 23, 2016 1:33 PM, "Garland Key" <david.garland....@gmail.com> wrote:
> @Alex & @Ben J > > I tried binding both cards to pci-stub in boot options and then running > the following script in initramfs: > > echo 0000:01:00.0 > /sys/bus/pci/drivers/pci-stub/unbind > echo 0000:01:00.1 > /sys/bus/pci/drivers/pci-stub/unbind > echo 0000:02:00.0 > /sys/bus/pci/drivers/pci-stub/unbind > echo 0000:02:00.1 > /sys/bus/pci/drivers/pci-stub/unbind > echo 0000:01:00.0 > /sys/bus/pci/drivers/nvidia/bind > echo 0000:01:00.1 > /sys/bus/pci/drivers/nvidia/bind > echo 0000:02:00.0 > /sys/bus/pci/drivers/vfio-pci/bind > echo 0000:02:00.1 > /sys/bus/pci/drivers/vfio-pci/bind > > This didn't work (nvidia driver doesn't attach to either card) but I think > I'm understanding more and will find a solution with the more understanding > I gain (call me Captain Obvious). > > I have a two questions that should help me understand what to do. > > 1. After initramfs runs, systemd takes over. At what point in this > process does the nvidia driver actually try to load and when does X try to > start? > > 2. Should I just not use pci-stub and instead just run a script in > initramfs that unbinds both cards and then binds each one to the driver > that I want? > > On Sun, Feb 21, 2016 at 12:58 PM Garland Key <david.garland....@gmail.com> > wrote: > >> I checked dmesg and there wasn't anything that stood out. There was a >> DRM error message for nvidia but it wasn't critical. I'll look into this >> more tomorrow. I have to go to sleep (I work at night). Thanks, Alex. >> I'll let you know if and when the advice you and Ben have shared works. >> >> On Sun, Feb 21, 2016 at 12:40 PM Alex Williamson < >> alex.william...@redhat.com> wrote: >> >>> On Sun, Feb 21, 2016 at 10:01 AM, Garland Key < >>> david.garland....@gmail.com> wrote: >>> >>>> It seems xorg crashed because the nvidia kernel module failed. Here's >>>> the xorg log file: >>>> >>> >>> Did the intended device get bound to the nvidia module? Are there dmesg >>> errors? You could try creating a file like: >>> >>> /etc/X11/xorg.conf.d/10-nvidia.conf: >>> Section "Device" >>> Identifier "Device0" >>> Driver "nvidia" >>> VendorName "NVIDIA Corporation" >>> BusID "PCI:1:0:0" >>> # Or PCI:2:0:0, depending on which is intended for the host >>> EndSection >>> >>> Maybe Xorg is complaining because it's trying to use both cards when you >>> only intend for it to use one. >>> >> > _______________________________________________ > vfio-users mailing list > vfio-users@redhat.com > https://www.redhat.com/mailman/listinfo/vfio-users > >
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