Fix verified on Noble using mutter 46.2-1ubuntu0.24.04.2 and the test plan at the top of this page. In my case, "an affected machine" was an Asus Zenbook S 13 when running on battery power.
** Tags removed: verification-needed-noble ** Tags added: verification-done-noble -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2076318 Title: Heavy cursor stutter on OLED panels when using a touchpad Status in Mutter: Fix Released Status in mutter package in Ubuntu: Fix Released Status in mutter source package in Noble: Fix Committed Status in mutter source package in Oracular: Fix Released Bug description: [ Impact ] Heavy mouse cursor stutter is observed in Wayland sessions on some machines, most visibly laptops with OLED panels when using the touchpad. Using a high speed USB mouse can hide the issue. [ Test Plan ] 0. Find an affected machine. 1. On the login screen move the cursor slowly from left to right. Expect no stuttery jumps. 2. Still on the login screen, move the cursor rapidly in small circles. Expect almost perfectly even spacing between cursor sprites. [ Where problems could occur ] In scheduling of cursor movement or screen updates. If a mistake is made then one could experience stuttering or freezes. [ Original description ] On an Asus Zenbook S 13 I experience heavy cursor stutter, but not under all conditions... Wayland on battery: Heavy stutter Wayland on AC power: Light stutter Xorg on battery: Perfectly smooth Xorg on AC power: Perfectly smooth Mutter version: 46.4 Display: 60.00Hz fixed frequency OLED Touchpad: 144Hz-145Hz To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/2076318/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
