For me I found much improved stability on client disconnection after this fix:
https://git.launchpad.net/~xmir-team/xorg- server/+git/xmir/commit/?id=9287786b58a90cf376c05692fe4d6d0712946337 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1481330 Title: Xmir crashes when client closes display To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1481330/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp