[Bug 108460] screen behind docking station doesn't work properly during boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108460

--- Comment #5 from Johannes Berg <johannes at sipsolutions.net> ---
(In reply to Stanislav Lisovskiy from comment #4)
> Would be nice to attach also Xserver and gdm logs to see if they got
> correspondent uevents and got connector states updated properly. 
> There are no such problems with Ubuntu 16/18 at least with the same kernel.
> I've seen a similar bug and the problem was that gdm sometimes simply didn't
> initiate modeset for some connectors.

Wait, I'm talking about boot, I don't think Xserver/gdm are relevant?

This is what happens directly after grub, basically. You don't have anything
but initramfs, I'd be very surprised if Fedora was putting Xserver and/or gdm
there.

Though perhaps I could check what happens if I make the boot non-quiet, and let
boot messages scroll through - I suspect they will only show up on one external
screen too.

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