[vfio-users] new video card. vm wont boot

[leesteken at pm.me]

On Sunday, May 31, 2020 5:45 AM, Roger Lawhorn <rll at twc.com> wrote:

> ok, I got kernel 5.4 booted.
> They changed how raid0 works and I am one of the few that use raid0.
>
> Anyway, vfio-pci is missing in kernel 5.4.
> Anyone know why?

I use a Proxmox/Ubuntu 5.4 kernel and vfio is a module, so I had to add vfio,
vfio_iommu_type1, vfio_pci, vfio_virqfd to /etc/modules and update-initramfs -u

Where did you get your kernel? Did you enable VFIO before building it?

> On 5/29/20 8:41 PM, Roger Lawhorn wrote:
>
> > This appears to be the navi reset bug.
> > Supposedly kernel 5.4 fixes this.
> > However, I am not able to upgrade beyond kernel 5.3.
> > Kernel 5.4 gets a raid error when trying to read my encryption key and
> > I cannot type my passphrase in order to get booted.
> > Same with higher kernels.
> > Alas.
> > I can sit and watch qemu reset endlessly while trying to boot the vm.
> > On 5/28/20 1:02 PM, Roger Lawhorn wrote:
> >
> > > ok,
> > > I removed all cards but the new one and turned off vfio.
> > > Linux boots but finds no driver and uses fbdev instead:
> > > $ inxi -G
> > > Graphics:
> > >   Device-1: AMD Navi 14 [Radeon RX 5500/5500M / Pro 5500M] driver: N/A
> > >   Display: x11 server: X.Org 1.19.6 driver: ati,fbdev
> > >   unloaded: modesetting,radeon,vesa resolution: 1024x768~76Hz
> > >   OpenGL: renderer: llvmpipe (LLVM 9.0 128 bits) v: 3.3 Mesa 19.2.8
> > > So at least its a working card.
> > > It still wont work with either vm.
> > > I am wondering if the nvidia gtx 980 ti oc (card for linux side) has
> > > a hardware issue with the newer card.
> > > Not compatible.
> > > On 5/28/20 11:58 AM, Roger Lawhorn wrote:
> > >
> > > > I upgraded from a radeon duo pro 8gb hbm to a radeon rx 5500.
> > > > Neither the win10 vm nor the win7 vm will boot with this card
> > > > installed.
> > > > The card is owned by vfio-pci on boot.
> > > > The script didnt need any changes as it shows up at the same
> > > > hardware address as the last card.
> > > > Very frustrated.
> > > > This card is so new it is listed as not supported till kernel 5.4.
> > > > I am on kernel 5.3 and cannot get 5.4 to work.
> > > > But that is for just trying to get linux to use it.
> > > > Windows should just boot in vga mode and then look for a windows
> > > > update.
> > > > I did try removing -vga none to force qemu to emulate a vga driver
> > > > long enough to boot.
> > > > No dice. qemu wont pull up the normal vga window on the linux side.
> > > > Something has got to give.

kind regards, Arjen