https://bugs.kde.org/show_bug.cgi?id=490822
Bug ID: 490822
Summary: Since Plasma 6 - Wayland / XWayland - Correct
resolution is not getting detected in some
applications
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: yan...@geronimosrvlx.lxnetwork.one
Target Milestone: ---
SUMMARY
In some applications, the correct display resolution is not recognized. As a
result, some of the applications cannot be started. The problem has existed
since Plasma 6. Under Plasma 5, this problem did not occur.
Two examples:
1.
Starting Kodi Wayland, the native display resolution is not recognized (only
1829x1029p and 3658x2058p available). If kodi --windowing=x11 is started, all
available resolutions are detected correctly (...,1920x1080,2560x1440).
2.
Starting a native Linux game (e.g. SDL based) on the dedicated GPU, the
following error message occurs:
X Error of failed request: BadAlloc (insufficient resources for operation)
Major opcode of failed request: 147 ()
Minor opcode of failed request: 7
Serial number of failed request: 117
Current serial number in output stream: 118
Monitored process exited.
---> RANDR issue.
When starting Wine/Proton games, no problems occur at all.
----
With theseus-ship, the resolution in Kodi Wayland was correctly recognized
again.
To fix the problem with native Linux games, I tested replacing SDL2 with SDL3 /
SDL2-Compat. At least, the error message major opcode... did not appear again.
Both problems did not occur under Plasma 5.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Artix Linux x86_64, Linux 6.10.0-zen1-1-zen
(available in About System)
KDE Plasma Version: KDE Plasma 6.1.3
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2
ADDITIONAL INFORMATION
Under Kscreen, the Legacy applications (X11) setting is set to Apply scaling
themselves. If the setting is set to Scaled by the system, the resolution will
not be recognized in Wine/Proton games either, presumably also in other
applications (global). Resolution set in kscreen: 2560x1440p. Refresh Rate: 240
Hz.
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