https://bugs.kde.org/show_bug.cgi?id=393300
Bug ID: 393300
Summary: heavy refreshed windows stops rendering and/or flicker
after a time
Product: kwin
Version: 5.12.4
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: kde_...@dlk.pl
Target Milestone: ---
https://youtu.be/eBWM7MeuLEk
https://youtu.be/XIAno8r5UTs
What helps is to close/reopen window or restart kwin
what doesn't help (only temporary refreshes the content):
- minimizing
- resizing
- doing some action on some elements that trigger refresh
Drivers: MESA & NVIDIA prop.
OS: Arch up-to-date
Timeframe: it happens for at least as long as I use Plasma (maybe a year now),
on every PC I have (All Arch Plasma).
Rendering backend: OpenGL 3.1
Custom settings:
Enabled some desktop effects like Fade, Wobbly Windows (also, Wobbly Windows
randomly show flickering artefacts in places animation took place but no longer
is taking place as long as you hold the window), plasmashell (as it constantly
refresh time in seconds).
When does it show .. after few days while running a window with high refresh
rate like Audacious (with constantly moving text in window), or older
pavcontrol (as there sound level bar), or chrome.
Less often (or at least i didn't saw this problem) on windows with less refresh
rate like terminal, dolphin.
Kernel: 4.15.14
Example of Intel:
Extended renderer info (GLX_MESA_query_renderer):
Vendor: Intel Open Source Technology Center (0x8086)
Device: Mesa DRI Intel(R) HD Graphics 5600 (Broadwell GT2) (0x1612)
Version: 17.3.7
Accelerated: yes
Video memory: 3072MB
Unified memory: yes
Preferred profile: core (0x1)
Max core profile version: 4.5
Max compat profile version: 3.0
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.1
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 5600 (Broadwell GT2)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.3.7
OpenGL core profile shading language version string: 4.50
Example of NVIDIA:
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GTX 960/PCIe/SSE2
OpenGL core profile version string: 4.6.0 NVIDIA 390.48
OpenGL core profile shading language version string: 4.60 NVIDIA
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