Thanks for responding.
BTW: the fix for raid0 was to add raid0.default_layout=2 to the command line for grub for kernels higher than 5.3.3.

I am using linux mint 19.3.
The highest kernel available is 5.3
I used the ukuu utility to install kernels 5.4,5.5, and 5.6.
In any of those kernels if I do a modinfo vfio or modinfo vfio-pci I get nothing.
Modprobe obviously fails to load the modules. Nothing in lsmod.
Video card boots without being owned by vfio-pci.

In kernel 5.3 I get the full specs on those two modules with modinfo.

Honestly, I'd say that ukuu pulled the kernels from ubuntu archives.
If you have the instructions to pull a working kernel for ubuntu with vfio manually then let me know.


On 5/31/20 3:20 AM, leeste...@pm.me wrote:
On Sunday, May 31, 2020 5:45 AM, Roger Lawhorn <r...@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

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