[Bug 105549] Black/blank screen at boot (last message line: fb: switching to inteldrmfb from EFI VGA) unless i915.modeset=0 is set

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105549

--- Comment #25 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Jim Turner from comment #2)
> I had a similar pbm. on my HP laptop w/kernel v4.15+ where if the lid was up
> (the laptop panel was on, ie. when booting "undocked"/no ext. monitor, the
> screen goes black (but backlight still on) just after the machine starts to
> boot.
> 
> Through trial & error, I SOLVED by turning OFF "fastboot" (was on) for i915
> (I have Intel integrated graphics (ironlake)) in
> /etc/initramfs-tools/modules and 
> /etc/default/grub, updated the initramfs & grub.
> 
> It seems that fastboot is unable to detect the laptop panel's mode.
> 
> Hope this helps.

This is an unrelated problem.

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