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Comments on the ubuntu bug are not very encouraging. The RMRR thing seems to be the right thing to do as a design decision however the HP hardware is not looking to be compatible with it. Until HP changes his mind and modify the BIOS in order to be compatible I think we are out of luck. It...

Got the same issue here ! No luck for the moment I have to stick with 5.3. Did you find a solution ?

Do you have a thread where I can learn how to dump the rom. Note thaton the 5.3 kernel the passthrough works only if I uncheck rombar on the VM. The LSI card I passthrough has been already initialized by the host during its BIOS POST.

I just tried with the 5.4 kernel and the working passthrough 5.3 configuration and no luck same error. If I boot with the 5.3 kernel everything's ok. Guess I'll be stuck with a 5.3 kernel and that's not fun

On a 5.4 kernel ? I don't think there's a link between a passthrough error and zfs

I'll try that. The comment here is not very encouraging https://bugs.launchpad.net/qemu/+bug/1869006/comments/18

conrep is working, it changes the endpoints without any issue. The patch on 5.4 too. However when I start the VM I get that: Virtual Environment 6.2-4 Search Virtual Machine 101 (markab) on node 'pve' Server View Logs () kvm: -device vfio-pci,host=0000:07:00.0,id=hostpci0,bus=pci.0,addr=0x10...

Unfortunately that's not working on the microserver gen8. Tried that before recompiling and I was unable to passthrough

Hi Just used the tutorial on my proliant gen8. The only change I had to do is to checkout the 5.3 branch of the kernel as some changes have been done about vfio handling in 5.4 that prevents the VMs to start, you end up with a different error message (memory listener initialization failed...