This seems to have fixed itself.. I suspect other gnome/library/gtk updates have fixed the issue.
I've declased this as invalid ** Changed in: gnome-mahjongg (Ubuntu) Status: New => Incomplete ** Changed in: gnome-mahjongg (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-mahjongg in Ubuntu. https://bugs.launchpad.net/bugs/2024045 Title: gnome-mahjongg 3.40.0-1 second game always locks up with high cpu usage Status in gnome-mahjongg package in Ubuntu: Invalid Bug description: second game played always causes high cpu usage and mahjongg is unresponsive .. can still exit desktop to reboot to stop high cpu usage.. will investigate further as time permits ProblemType: Bug DistroRelease: Ubuntu 23.10 Package: gnome-mahjongg 1:3.40.0-1 ProcVersionSignature: Ubuntu 6.3.0-7.7-generic 6.3.5 Uname: Linux 6.3.0-7-generic x86_64 ApportVersion: 2.26.1-0ubuntu3 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: XFCE Date: Thu Jun 15 15:34:00 2023 InstallationDate: Installed on 2023-03-09 (97 days ago) InstallationMedia: Xubuntu 23.04 "Lunar Lobster" - Alpha amd64 (20230309) SourcePackage: gnome-mahjongg UpgradeStatus: Upgraded to mantic on 2023-05-09 (36 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-mahjongg/+bug/2024045/+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