This bug was fixed in the package mutter - 42.1-0ubuntu1
---------------
mutter (42.1-0ubuntu1) jammy; urgency=medium
[ Jeremy Bicha ]
* New upstream release
(LP: #1972726, #1948410, #1967219, #1971693)
* Refresh triple buffering patch with latest version
* Drop patches applied in new release
* debian/libmutter-10-0.symbols: Add new symbol
* Add Breaks against old gtk3 & gtk4 versions.
See Ubuntu bug 1972721
[ Marco Trevisan (Treviño) ]
* debian/patches: Adapt expected log messages to new domains
-- Jeremy Bicha <jbi...@ubuntu.com> Fri, 13 May 2022 12:10:07 -0400
** Changed in: mutter (Ubuntu Jammy)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1948410
Title:
[nvidia] Software cursor in Wayland sessions (EGLStreams)
Status in Mutter:
Unknown
Status in mutter package in Ubuntu:
Fix Released
Status in mutter source package in Jammy:
Fix Released
Bug description:
Impact
------
In the Wayland session with older Nvidia graphics (usually nvidia driver
470), a software cursor is used instead of a hardware cursor. This causes worse
performance with unnecessary updates of the display.
Test Case
---------
1. Set up an Nvidia-only desktop. No other GPUs active. Driver version
must be 470 or higher.
2. Add this to /etc/environment:
MUTTER_DEBUG_FORCE_EGL_STREAM=1
CLUTTER_PAINT=damage-region
3. Reboot.
4. Log into 'Ubuntu on Wayland'.
Observed: The red and blue boxes from the above debugging option
follow the mouse cursor.
Expected: No red and blue boxes follow the mouse cursor.
What Could Go Wrong
-------------------
See the master bug for this mutter update LP: #1972726
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