Distribution
Linux Mint 22.3
Package version
6.6.7
Graphics hardware in use
ntel UHD Graphics 630 (CoffeeLake-H GT2)
Frequency
Always
Bug description
Random black screen flashes occur when moving the mouse over the taskbar. The screen briefly goes black for a few milliseconds repeatedly. The issue only happens with the panel positioned at the bottom of the screen. Moving the panel to the top or to either side completely eliminates the problem.
To reproduce:
video: https://www.youtube.com/watch?v=7IgaCRQRJ9s
Steps to reproduce
Set display scaling to 200% in Display Settings
Place the panel at the bottom of the screen
The problem only occurs when hovering over the top part of the taskbar.
black flashes appear.
Expected behavior
No flickering regardless of panel position or display scaling level.
Additional information
The issue does not occur with the panel on top or on the sides.
Disabling desktop effects does not resolve the issue
Disabling PSR (Panel Self Refresh) via GRUB parameter i915.enable_psr=0 does not resolve the issue
TearFree option in xorg.conf.d has no effect with the modesetting driver
Distribution
Linux Mint 22.3
Package version
6.6.7
Graphics hardware in use
ntel UHD Graphics 630 (CoffeeLake-H GT2)
Frequency
Always
Bug description
Random black screen flashes occur when moving the mouse over the taskbar. The screen briefly goes black for a few milliseconds repeatedly. The issue only happens with the panel positioned at the bottom of the screen. Moving the panel to the top or to either side completely eliminates the problem.
To reproduce:
video: https://www.youtube.com/watch?v=7IgaCRQRJ9s
Steps to reproduce
Set display scaling to 200% in Display Settings
Place the panel at the bottom of the screen
The problem only occurs when hovering over the top part of the taskbar.
black flashes appear.
Expected behavior
No flickering regardless of panel position or display scaling level.
Additional information
The issue does not occur with the panel on top or on the sides.
Disabling desktop effects does not resolve the issue
Disabling PSR (Panel Self Refresh) via GRUB parameter i915.enable_psr=0 does not resolve the issue
TearFree option in xorg.conf.d has no effect with the modesetting driver