https://bugs.kde.org/show_bug.cgi?id=415150

--- Comment #28 from Piotr Mierzwinski <piotr.mierzwin...@gmail.com> ---
(In reply to Christoph Feck from comment #22)
> > developers ignore it
> 
> Developers don't ignore tickets. Multiscreen issues are nearly impossible to
> debug, because 1) you need a matching hardware configuration to be able to
> reproduce, 2) several software components are involved (xrandr, kscreen, Qt,
> Plasma, not to mention X11 and Wayland differences), and 3) timing issues
> caused by hardware detection (on connect, disconnect, reconnect, on power
> down, on power up, on suspend and sleep modes, ...).

I apologize because too harsh words about developers. I face with this issue
some time and didn't saw iny reply on my bug reports. Only in first (the oldest
on list I put in one post) one developer suggested that my hardware is broken
:(, which wasn't truth.
I'm not sure where lies the problem of detecting if display is turned on/off.
Maybe in possibility of communication by DDC protocol, which seems my display
(NEC EA275WMi) and some other like my projector (Optoma) and another monitor
produced by DELL doesn't have, or maybe xranr or different X application is not
able to get this information from display.

I thought that checking and detecting problems with multi monitor configuration
isn't so hard if user uses graphics with open source drivers like Intel
integra, where is usually uses driver i915 and second thing is just xorg for
X11 session.

And BTW. Is possible to provide all details about hardware users have, but I
noticed nobody asks for it. Maybe some configuration might similar to this what
developer has.

Anyway I'm not going to push on fixing this issue if event this problem happens
in  the most popular in the world desktop operating system.

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