I can also confirm that I experience this issue.
Before, I used Ubuntu 21.04 with Wayland, similar hardware/settings and the
corresponding kernel of 21.04 and never had this issue once.
After a fresh install of 22.04 it came up around once per hour.
When running "dmesg -T", the occurrence of the issue corresponds with error:
[Fri Apr 29 13:10:21 2022] i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO
underrun
I tried to set:
intel_idle.max_cstate=4
i915.enable_psr=0
It probably reduces the frequency the issue comes up but does not fix it.
sudo lshw -c video
*-display
description: VGA compatible controller
product: Skylake GT2 [HD Graphics 520]
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
logical name: /dev/fb0
version: 07
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=i915 latency=0 resolution=2560,1440
resources: irq:130 memory:e0000000-e0ffffff memory:c0000000-dfffffff
ioport:e000(size=64) memory:c0000-dffff
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1970426
Title:
screen suddenly starts flickering after update
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+bug/1970426/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs