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Passthrough iGPU (no.lastname.nz)
submitted 1 year ago by to c/proxmox@lemmy.world
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OK, this is really annoying...

I have an intel based PC that I use as a server that is sitting under the lounge TV that I was using to drive the TV with a linux VM using pci pass-through of the iGPU.

Every thing was working well, then all of a sudden there was no output to the TV. The iGPU still works fine during boot.

I have just updated proxmox to the latest, and no better results.

I sometimes will get it to work on a new install of a vm, but on reboot of the vm it all stops.

Any thoughts on where/what to look at?

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[–] 2 points 1 year ago

I infrequently have the same troubles with my dgpu (Although running Debian with KVM and qemu instead of Proxmox) and the remove power and letting the machine be out of juice has been the only solution for my dgpu to reset properly in those situations.
I even press the power button a few times before plugging the machine in again, although I think that is completely unnecessary.

There are some "hot reset" scripts you can find when it comes to pci passthrough, but they did nothing for me.

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