After going down to 1 virtual desktop & changing the input settings, it happened one more time.
I've gone back to 2 virtual desktops, & I made a few changes in the compositor settings: animation speed lowered about 2 clicks scale method --> smooth opengl --> opengl3.1 instead of 2 So far so good. Used it for about 6 hours yesterday & 4hrs today w/o problems -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1516108 Title: system freezes requiring hard reset at unpredictable times under different activities Kubuntu 15.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1516108/+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