#1113807 xserver-xorg-video-intel: Monitor is suddenly going dark

Package:
xserver-xorg-video-intel
Source:
xserver-xorg-video-intel
Description:
X.Org X server -- Intel i8xx, i9xx display driver
Submitter:
Simon Widmer
Date:
2025-09-02 21:21:02 UTC
Severity:
normal
#1113807#5
Date:
2025-09-02 21:18:19 UTC
From:
To:
Dear Maintainer,


My monitor is suddenly going dark after trying to save a document. After
a few seconds, everything is going fine again.
This is happening sporadic only so far so hard to reproduce.

After executing `sudo dmesg`, the last possibly suspicious lines are:
[ 4798.255437] i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun
[ 6172.362006] perf: interrupt took too long (3970 > 3965), lowering
kernel.perf_event_max_sample_rate to 50250
[ 7524.296057] perf: interrupt took too long (4975 > 4962), lowering
kernel.perf_event_max_sample_rate to 40000