This bug was fixed in the package mutter - 44.1-0ubuntu1
---------------
mutter (44.1-0ubuntu1) lunar; urgency=medium
[ Jeremy Bícha ]
* New upstream release (LP: #2020225, LP: #2012717, LP: #2013216,
LP: #2015861, LP: #2017097)
* debian/libmutter-12-0.symbols: Add new symbols
* Drop 3 patches applied in new release
[ Daniel van Vugt ]
* Update triple buffering patch for Mutter 44.1 (LP: #2017137)
-- Jeremy Bícha <[email protected]> Fri, 19 May 2023 16:18:13 -0400
** Changed in: mutter (Ubuntu Lunar)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2012717
Title:
GNOME 44 multi-monitor screen freeze when resuming from sleep
Status in Mutter:
Fix Released
Status in mutter package in Ubuntu:
Fix Released
Status in mutter source package in Lunar:
Fix Released
Bug description:
[ Impact ]
Using multiple monitors in a Wayland session, one or both may freeze
when resuming from sleep.
[ Test Plan ]
1. Log into a Wayland session.
2. Set up gnome-shell to span two monitors.
3. Wait for the monitors to sleep.
4. Wiggle the mouse to wake them.
5. Move the mouse between both monitors.
6. Verify that the mouse appears on both monitors and neither are frozen.
[ Where problems could occur ]
This fix affects frame scheduling so problems could always occur in
the form of other screen freezes and frame rate issues.
[ Original report ]
Testing GNOME 44 I find it can't resume from sleep properly if two
monitors are plugged in. Both monitors wake up, but one is completely
frozen and the other is partially frozen (stops responding to anything
but cursor movement).
Using Intel graphics with two USB-C monitors.
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