Bug 460696 - KDE Neon Plasma 5.26 does not work with 2 monitors of different density.
Summary: KDE Neon Plasma 5.26 does not work with 2 monitors of different density.
Status: RESOLVED WORKSFORME
Alias: None
Product: kwin
Classification: Plasma
Component: general (other bugs)
Version First Reported In: unspecified
Platform: Neon Linux
: NOR normal
Target Milestone: 5
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-10-19 07:16 UTC by nopomuk
Modified: 2022-12-09 05:13 UTC (History)
5 users (show)

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:


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Description nopomuk 2022-10-19 07:16:29 UTC
SUMMARY
***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols.
See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***

STEPS TO REPRODUCE
1. There were 2 monitors FullHD (HDMI) and not HD (DVI). I update my PC with pkcon refresh && pkcon update
2.  Disabled "old" non-HD secondary monitor
3. Connected a new second monitor 2k resolution (Display Port)
4. X11: Only one monitor works either 2k or fullHD. Plasma understands that the second monitor is connected to the PC, but cannot configure it.
5. Wayland: Plasma starts with a blank screen. Only kwin or applications saved in the previous session work. NO panels, wallpapers and everything else.

OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Kde Neon 20.04
(available in About System)
KDE Plasma Version:  5.26
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6

ADDITIONAL INFORMATION
Kernel Version: 5.15.0-50-generic (64-bit)
Graphics Platform: X11, Wayland
Graphics Driver Nvidia 515.76
Comment 1 David Edmundson 2022-10-19 10:41:58 UTC
>Plasma understands that the second monitor is connected to the PC, but cannot configure it.

What does this mean in detail? What can and can't you do.
Can I have output of "xrandr -q"

>Wayland: Plasma starts with a blank screen. Only kwin or applications saved in the previous session work. NO panels, wallpapers and everything else.

That implies plasmashell is crashing or not starting which is a bug best filed against plasmashell with relevant crash logs
Comment 2 nopomuk 2022-10-21 18:20:30 UTC
(In reply to David Edmundson from comment #1)
> >Plasma understands that the second monitor is connected to the PC, but cannot configure it.
> 
> What does this mean in detail? What can and can't you do.
> Can I have output of "xrandr -q"
> 
> >Wayland: Plasma starts with a blank screen. Only kwin or applications saved in the previous session work. NO panels, wallpapers and everything else.
> 
> That implies plasmashell is crashing or not starting which is a bug best
> filed against plasmashell with relevant crash logs

I'm very sorry, I had to work and I installed MOS Linux c 5.24. I'm a designer there. I will try to install neon c 5.26 again in the near future. Sorry...
Comment 3 Bug Janitor Service 2022-11-05 05:09:05 UTC
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 4 nopomuk 2022-11-09 11:40:50 UTC
(In reply to David Edmundson from comment #1)
> >Plasma understands that the second monitor is connected to the PC, but cannot configure it.
> 
> What does this mean in detail? What can and can't you do.
> Can I have output of "xrandr -q"
> 
> >Wayland: Plasma starts with a blank screen. Only kwin or applications saved in the previous session work. NO panels, wallpapers and everything else.
> 
> That implies plasmashell is crashing or not starting which is a bug best
> filed against plasmashell with relevant crash logs

This bug was repeated on Opensuse Plasma 5.26.2 nvidia driver 515.76. Output of "xrandr -q"

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
   1920x1080     60.00 +  74.97*   59.94    50.00  
   1680x1050     59.95  
   1600x900      60.00  
   1440x900      59.89  
   1400x1050     59.98  
   1280x1024     75.02    60.02  
   1280x800      59.81  
   1280x720      60.00    59.94    50.00  
   1152x864      75.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   720x576       50.00  
   720x480       59.94  
   640x480       75.00    59.94    59.93  
DP-0 connected (normal left inverted right x axis y axis)
   2560x1440     59.95 +  74.92  
   2560x1080     59.98  
   2048x1152     60.00  
   1920x1200     59.88  
   1920x1080     59.94    50.00  
   1680x1050     59.95  
   1600x1200     60.00  
   1440x900      59.89  
   1280x1024     75.02    60.02  
   1280x960      60.00  
   1280x800      59.81  
   1280x768      59.87  
   1280x720      59.94    50.00  
   1152x864      75.00  
   1024x768      75.03    70.07    60.00  
   800x600       75.00    60.32    56.25  
   720x576       50.00  
   720x480       59.94  
   640x480       75.00    72.81    59.94  
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
Comment 5 Bug Janitor Service 2022-11-24 05:12:02 UTC
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 6 Bug Janitor Service 2022-12-09 05:13:02 UTC
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!