Seems to only affect Displayport (needed for high resolution). After
screen gets black, can switch monitor setting to HDMI. Then screen is
showing something again (in FHD resolution). xrandr shows DP as
disconnected.
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Public bug reported:
Occasionally my screen gets black. The machine is still alive, can login
via ssh.
journalctl -k -b-2 | grep drm
Jul 26 10:22:34 kernel: [drm] Initialized drm 1.1.0 20060810
Jul 26 10:22:34 kernel: [drm] Memory usable by graphics device = 2048M
Jul 26 10:22:34 kernel: fb:
BIOS update seemed to have resolved the issue.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1607774
Title:
i91