https://bugs.kde.org/show_bug.cgi?id=448981
Bug ID: 448981
Summary: Delay window placement and audio profile selection
after multiple monitor resume from standby mode
Product: kwin
Version: 5.23.5
Platform: Debian unstable
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: twopw...@gmail.com
Target Milestone: ---
SUMMARY
STEPS TO REPRODUCE
1. Wait for "Screen Energy Saving" to trigger standby or `sleep 1; xset dpms
force off` (or force standby or force suspend)
2. wait about 10 seconds for monitors to fully go into standby mode
3. press any key
OBSERVED RESULT
The secondary monitor resumes about 2 seconds after the primary monitor. All
of the windows briefly show up on the secondary monitor, then once the primary
monitor resumes the windows go back to the respective monitors they were on
before the monitors enter standby mode, but they are all on either the right
edge or left edge of the respective monitors.
In addition, the Audio Device Profile output gets reset to the secondary
monitor.
EXPECTED RESULT
Window positions and Audio Device Profile should remain the same as they were
before the monitors entered standby mode.
SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux 11 unstable
KDE Plasma Version: 5.23.5
KDE Frameworks Version: 5.88.0
Qt Version: 5.15.2
Kernel Version: 5.15.0-3-amd64 (64-bit)
Graphics Platform: X11
Processors: 48 × Intel® Xeon® CPU E5-2697 v2 @ 2.70GHz
Memory: 503.9 GiB of RAM
Graphics Processor: AMD Radeon RX 580 Series
ADDITIONAL INFORMATION
If I make the primary monitor the secondary and vice versa, the window
placement issue remains but the audio profile issue is resolved.
It seems like the best way to resolve this is to allow some delay before the
windows are placed and the audio profile is set. Perhaps there is an setting
for this somewhere? Thanks.
$ xrandr -q
Screen 0: minimum 320 x 200, current 5280 x 2560, maximum 16384 x 16384
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 connected primary 3840x2160+0+400 (normal left inverted right x
axis y axis) 698mm x 393mm
3840x2160 60.00*+ 60.00 50.00 59.94 30.00 25.00 24.00
29.97 23.98
2560x1440 59.95
1920x1200 60.00
1920x1080 60.00 50.00 59.94
1600x1200 60.00
1680x1050 59.95
1280x1024 60.02
1440x900 59.89
1280x960 60.00
1280x800 59.81
1280x720 60.00 50.00 59.94
1024x768 60.00
800x600 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 60.00 59.94
HDMI-A-0 disconnected (normal left inverted right x axis y axis)
HDMI-A-1 connected 1440x2560+3840+0 left (normal left inverted right x axis y
axis) 597mm x 336mm
2560x1440 59.95*+
1920x1200 59.95
1920x1080 60.00 50.00 59.94
1600x1200 59.95
1680x1050 59.88
1600x900 60.00
1280x1024 75.02 60.02
1440x900 59.95
1280x800 59.91
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 60.00
832x624 74.55
800x600 75.00 60.32
720x576 50.00
720x480 60.00 59.94
640x480 75.00 60.00 59.94
720x400 70.08
DVI-D-0 disconnected (normal left inverted right x axis y axis)
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