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EnnoxHD / archlinux-install-guide

ArchLinux Installation Guide
MIT License
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Incorrect guest video output when using QEMU/KVM #59

Closed EnnoxHD closed 2 years ago

EnnoxHD commented 2 years ago

VM is grabbing passthrough GPU but incorrect video output (mostly black or white with colored dots).

Solution:

#/etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="... video=efifb:off"

then rebuild GRUB configuration as normal

EnnoxHD commented 2 years ago

Thanks to https://passthroughpo.st/explaining-csm-efifboff-setting-boot-gpu-manually/