It appears the main cause of this is presently bug 1959888 when you log
in with a secondary monitor on a secondary (Nvidia) GPU. So the log
messages stop once you have that fix. Although I would still like to
understand it better because that's the second bug I've seen trigger the
same messages.
** Changed in: mutter (Ubuntu)
Importance: Undecided => Medium
** Changed in: mutter (Ubuntu)
Status: New => In Progress
** No longer affects: nvidia-graphics-drivers-510 (Ubuntu)
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Packages, which is subscribed to nvidia-graphics-drivers-510 in Ubuntu.
https://bugs.launchpad.net/bugs/1967707
Title:
Nvidia Wayland sessions sometimes flood the log with
[clutter_frame_clock_notify_presented: code should not be reached]
Status in mutter package in Ubuntu:
In Progress
Bug description:
Nvidia Wayland sessions sometimes flood the log with:
[ 13.105877] computer gnome-shell[1264]:
(../clutter/clutter/clutter-frame-clock.c:332):clutter_frame_clock_notify_presented:
code should not be reached
[ 13.106163] computer gnome-shell[1264]:
(../clutter/clutter/clutter-frame-clock.c:332):clutter_frame_clock_notify_presented:
code should not be reached
[ 13.112490] computer gnome-shell[1264]:
(../clutter/clutter/clutter-frame-clock.c:332):clutter_frame_clock_notify_presented:
code should not be reached
[ 13.125302] computer gnome-shell[1264]:
(../clutter/clutter/clutter-frame-clock.c:332):clutter_frame_clock_notify_presented:
code should not be reached
[ 13.142242] computer gnome-shell[1264]:
(../clutter/clutter/clutter-frame-clock.c:332):clutter_frame_clock_notify_presented:
code should not be reached
I've been seeing the issue for months although it only seems to happen
*after* something has gone wrong in mutter. Not by default.
Then when the messages start, restarting gnome-shell won't fix it. You
have to reboot the whole machine so it seems like something has
latched in the nvidia-drm kernel driver.
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