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Bug#926149: AMD: Add nomodeset kernel parameter to avoid black screen



Package: installation-reports

With the latest AMD CPUs the kernel will attempt to use the AMDGPU
kernel driver. Alas this will result in a black screen on the minimal
system installed by the installer.

Therefore on all three of these lines in /boot/grub/grub.cfg
    linux /boot/vmlinuz-... root=...
the parameter "nomodeset" needs to occur.
Yes, even for the "recovery mode entry".

(Users reading this bug would want to add it by using "e" when looking at
the grub boot screen, to get their system booted. Then put it in
GRUB_CMDLINE_LINUX= in /etc/default/grub and then run grub-install.

For full logs please see #925556.


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