[Bug 108934] [Dualscreen] "No signal" issues when booting with DVI and HDMI screens both plugged in

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Comment # 2 on bug 108934 from
Created attachment 142751 [details]
Boot log with suspend

Hre is my boot log from my current session. The HDMI cable is plugged in during
boot and the HDMI TV displays "No signal". Around ~12:59, I've switched from
the current "Split-screen" setting to "Single screen" (selecting my HDMI TV)
with gnome-control-center, and the DVI screen went black with a "no signal"
message, whereas the TV displays "Unsupported resolution" for a while, then
goes back to "No signal". I've then pressed the Power button of my computer in
order to suspend it, then pressed the Enter touch of my keyboard in order to
wake it up. The two screens then displayed the correct image according to the
"Split-screen" initial setting. Switching to others settings in
gnome-control-center works fine.


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