Re: Passthrough PCI GPU device fails on reboot

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El 27/7/21 a les 12:29, Erik Skultety ha escrit:
On Tue, Jul 27, 2021 at 11:22:25AM +0200, Francesc Guasch wrote:

I have a host with an NVIDIA RTX 3090. I configured PCI passthrough
and it works fine. We are using it for CUA and Matlab on Ubuntu 20.04.

The problem comes sometimes on rebooting the virtual machine. It doesn't
happen 100% of the times but eventually after 3 or 4 reboots the PCI
device stops working. The only solution is to reboot the host.

While reviewing the system I noticed that, though I had
run dist-upgrade, the host didn't had the latest kernel.

Upgrading from kernel 5.8 fixed the problem. So it seems
it was a vfio problem as Erik pointed.

Thanks !

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