https://bugs.kde.org/show_bug.cgi?id=489461
Maxime Poulin <k...@max-p.me> changed:
What |Removed |Added
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CC| |k...@max-p.me
--- Comment #2 from Maxime Poulin <k...@max-p.me> ---
I'm having the same issue on ArchLinux with KWin 6.1.1.2-1 from the official
repos.
For me, it happens even with the screen locker. My left monitor takes up
several seconds to wake up. Connected via HDMI. In fact the delay is large
enough if I start typing my password on the lock screen before that monitor
woke up, it steals the password input because the password field moves to that
monitor when waking up (but that's a separate issue).
I just come up to my computer long after the screen locked and turned off all 3
monitors. I wake it up, input my password to unlock the computer, and the
windows from my left monitor are now on the center monitor. Things that are
full screen or maximized tend to be more affected. In fact, unmaximizing a
window from that monitor briefly flickers it on the center monitor. The
computer itself is a desktop and never goes to sleep. Nothing but a fresh
session seems to fix that glitch.
I believe this is a regression from 6.0, this didn't happen with 6.0. It might
even be a regression from 6.1.0 as it started happening in the last week or
two.
-----
Possibly offtopic, let me know if I should open another bug report, but there
seems to be a deeper issue related to the handling of monitors that disconnect
from the system when they go to sleep: there was the issue of windows appearing
on the wrong panel (fixed), there's the issue I mentioned with the lockscreen,
there's this issue. They all seem to stem from the same root cause: the monitor
disconnects from the system when it goes to sleep.
-----
One way to reproduce easily on my end is, lock the screen and then press ESC
which fades to black and turns off the screens immediately. Once that monitor
has done the blue NO SIGNAL screen and goes to sleep, I can wake up the
monitors back up and reproduce the bug.
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