https://bugs.kde.org/show_bug.cgi?id=415657
Bug ID: 415657
Summary: Can't set screen resolution to 1280x1024
Product: systemsettings
Version: 5.17.4
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: falling_failing_fall...@protonmail.com
Target Milestone: ---
SUMMARY
The screen I'm currently using is a 1280x1024 Sony SDM-HS73 (from 15+ years
ago). I tried a lot of time to set the screen resolution to 1280x1024 on KDE
neon, but it's still stuck at 1024x768.
So I tried those commands :
cvt 1280 1024 60
sudo xrandr --newmode "1280x1024_60.00" 109.00 1280 1368 1496 1712 1024 1027
1034 1063 -hsync +vsync
sudo xrandr --addmode VGA-0 1280x1024_60.00
sudo xrandr -s 1280x1024 -r 60
The third command (sudo xrandr --addmode VGA-0 1280x1024_60.00) isn't working :
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 140 (RANDR)
Minor opcode of failed request: 18 (RRAddOutputMode)
Serial number of failed request: 29
Current serial number in output stream: 30
The graphic card on the computer is an ZOTAC GTS 250 that support up to OpenGL
3.3 and 1920x1080. At least it's working on X but I also want to test it on
Wayland, any tutorial for that?
STEPS TO REPRODUCE
Nothing you can reproduce by yourself if you don't have a 1280 by 1024 screen.
OBSERVED RESULT
Screen size 1280 by 1024 isn't working, stuck on 1024 by 768.
EXPECTED RESULT
Being able to set the screen size to 1280 by 1024.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE neon 5.17.4
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