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DaggyStyle
Watchman
Joined: 22 Mar 2006
Posts: 5929
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 Posted: Fri Sep 06, 2024 7:55 am Post subject: cannot detach gpu with virsh after kde6 upgrade [solved] |
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Greetings,
until a few days ago, I had a system that has one gpu and runs either linux or windows inside a vm with the only gpu as vfio.
with the stabilization of kde6, I had to upgrade because portage didn't upgraded anything.
as kde6 requires wayland, I had to enable it.
after a few days of fighting with the system I was able to switch to kde6.
but ever since, the windows vm freezes on boot.
infact, it freezes on the gpu detachment.
dmesg reports this:
| Code: | [ 2457.352480] NVRM: Attempting to remove device 0000:05:00.0 with non-zero usage count!
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both fuser -v /dev/nvidia* and nvidia-smi returns no processes found.
so before I start looking for kde replacement, I'd like to know if there is a possible solution for this.
frankly. I find it hard to believe there is no solution as I know there are linux users that run a windows vm for gaming
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Only two things are infinite, the universe and human stupidity and I'm not sure about the former - Albert Einstein |
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DaggyStyle
Watchman
Joined: 22 Mar 2006
Posts: 5929
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| Posted: Sat Sep 07, 2024 8:58 pm Post subject: |
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solved.
so it seem like nvidia driver + wayland and virsh detach doesn't play along.
I'd suggest not compiling nvidia driver with wayland if one intends to pass the gpu to a vm.
banning this flag on the driver works.
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Only two things are infinite, the universe and human stupidity and I'm not sure about the former - Albert Einstein |
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