https://bugs.kde.org/show_bug.cgi?id=528476
Bug ID: 528476
Summary: Black screen or flickering when moving the mouse in
version 6.8.2
Classification: Plasma
Product: kwin
Version First 6.8.2
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
DESCRIPTION
Following the update to version **6.8.2**, moving the mouse cursor causes a
black screen or intermittent flickering, alternating between a black screen and
normal rendering. The issue is present starting from the login screen.
STEPS TO REPRODUCE
1. Update KDE plasma from plasma 6.7.5 to 6.8.0/6.8.2
2. Start Session
3. Move Mouse
OBSERVED RESULT
Screen goes black or flickers between black & normal.
EXPECTED RESULT
Screen should not go black.
SOFTWARE/OS VERSIONS
Operating System: Fedora 44 KDE
KDE Plasma Version: 6.8.2
KDE Frameworks Version: 6.31.0
Qt Version: 6.11.2
Kernel Version: 7.2.15-200.fc44.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5700G with Radeon Graphics
Memory: 32 GiB
Graphics Processor: NVD9;
Mother board: Gigabyte Technology Co., Ltd.; AB350M-DS3H V2
WORKAROUND
Environment variables applied in ~/config/plasma-workspace/env/99-flick.sh:
export KWIN_USE_BUFFER_AGE=0
export KWIN_DRM_FORCE_GL_FINISH_PRESENT=1
export KWIN_FORCE_SW_CURSOR=1
No improvement in results
ADDITIONAL INFORMATION
*-display
description: VGA compatible controller
product: GF119 [GeForce GT 610]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
configuration: driver=nouveau latency=0
[ 5.750028] nouveau 0000:01:00.0: NVIDIA GF119 (0d90a0a1)
[ 6.016328] nouveau 0000:01:00.0: bios: version 75.19.59.00.00
[ 6.034865] nouveau 0000:01:00.0: vgaarb: deactivate vga console
[ 6.035175] nouveau 0000:01:00.0: fb: 2048 MiB DDR3
[ 6.726992] nouveau 0000:01:00.0: drm: VRAM: 2048 MiB
[ 6.726996] nouveau 0000:01:00.0: drm: GART: 1048576 MiB
[ 6.727000] nouveau 0000:01:00.0: drm: TMDS table version 2.0
[ 6.727796] nouveau 0000:01:00.0: drm: failed to create ce channel, -22
[ 6.756201] nouveau 0000:01:00.0: drm: MM: using M2MF for buffer copies
[ 6.757954] nouveau 0000:01:00.0: [drm] Registered 2 planes with drm panic
[ 6.765355] [drm] Initialized nouveau 1.4.2 for 0000:01:00.0 on minor 0
[ 6.767021] nouveau 0000:01:00.0: drm: DDC responded, but no EDID for
DVI-I-1
[ 6.898769] fbcon: nouveaudrmfb (fb0) is primary device
[ 6.898775] nouveau 0000:01:00.0: [drm] fb0: nouveaudrmfb frame buffer
device
[ 6.900628] nouveau 0000:01:00.0: drm: DDC responded, but no EDID for
DVI-I-1
[ 7.072958] nouveau 0000:01:00.0: drm: DDC responded, but no EDID for
DVI-I-1
[ 62.747618] nouveau 0000:01:00.0: drm: DDC responded, but no EDID for
DVI-I-1
[ 492.012425] nouveau 0000:01:00.0: drm: DDC responded, but no EDID for
DVI-I-1
[ 497.864201] nouveau 0000:01:00.0: Direct firmware load for
nouveau/nvd9_fuc084 failed with error -2
[ 497.864232] nouveau 0000:01:00.0: Direct firmware load for
nouveau/nvd9_fuc084d failed with error -2
[ 497.864235] nouveau 0000:01:00.0: msvld: unable to load firmware data
[ 497.864238] nouveau 0000:01:00.0: msvld: init failed, -19
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