[Bug 216277] X11 doesn't wait for amdgpu driver to be up

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=216277

--- Comment #5 from dark_sylinc@yahoo.com.ar ---
Your hint is very good.

It tells me upstream kernel devs expect the amdgpu driver & firmware should be
in initrd; while Ubuntu does not do that.

This is starting to look more and more like an Ubuntu bug.

I looked further into the matter and found out that
/lib/udev/rules.d/78-graphics-card.rules

has entries for

1. "drm": i915, radeon, nouveau, vmwgfx
2. "graphics": amdgpu, i915, radeon, nouveau, efifb, efi-framebuffer,
vesa-framebuffer

I just edited the rules file to include amdgpu on both sections and see what
happens. So far rebooted only once and Xorg didn't crash.

I'll monitor how it goes and if the crashes stop I'll close this ticket and
report it to Ubuntu.

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