Think I found it. The new version of triple buffering in mutter 44.0 is
too aggressive at scaling back to double buffering. So that's why 22.04
and 22.10 felt faster on Pi than 23.04 does right now.
The workaround is to add this to /etc/environment:
MUTTER_DEBUG_TRIPLE_BUFFERING=always
** Tags added: triple-buffering
** Tags added: regression-release
** Changed in: mutter (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** No longer affects: linux-raspi (Ubuntu)
** Changed in: mutter (Ubuntu)
Importance: Undecided => Medium
** Changed in: mutter (Ubuntu)
Status: New => Triaged
--
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2017097
Title:
[raspi] GNOME Shell runs at 30 FPS unless the CPU is being stressed
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2017097/+subscriptions
--
desktop-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
