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KVM/QEMU/libvirt VM won't boot due to kernel module shenanig
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leyvi
Tux's lil' helper
Tux's lil' helper


Joined: 08 Sep 2023
Posts: 79

PostPosted: Sun Nov 24, 2024 4:47 pm    Post subject: KVM/QEMU/libvirt VM won't boot due to kernel module shenanig Reply with quote

I've got this VM I'm trying to boot, and whenever I try, I get this:
Code:
Error starting domain: Failed to open file '/lib/modules/6.12.1-gentoo/modules.alias': No such file or directory
This isn't so strange to me, as I have a purely monolithic kernel with loadable modules disabled. However, I have no clue what to do about this error message, short of enabling loadable modules, which I'd prefer not to do. Anyone know what's going on?
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Ralphred
l33t
l33t


Joined: 31 Dec 2013
Posts: 658

PostPosted: Sun Nov 24, 2024 5:18 pm    Post subject: Reply with quote

What are you trying to start the VM in?
libvirt, qemu and docker all work fine here with a monolithic kernel.*
You can use
Code:
ebuild /var/db/repos/gentoo/path/to/ebuild.ebuild prepare clean
to force a re-showing of any "CONFIG_SOMETHING is not set and it should be" messages you may have missed during emerge time.

*hardware passthrough fails though, fyi.
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