I am facing lots of issues on kernel 5.4 so I decided to update to kernel 5.8.10.
I am getting the following error message: error message
I am using Ubuntu 18.04.5 with lenovo bios 1.10 , secure boot disabled.
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You’ll likely need to update the
GRUB_CMDLINE_LINUX_DEFAULT in your
/etc/default/grub file to include
iommu=pt. If you cannot boot normally, you may need a Live USB to make this work.
sudo vi /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULTso that you have something like:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash iommu=pt"
This should resolve the issue.