Thanks, so yes it seems the session is going away without error logged there, it would probably require someone from the Ubuntu MATE team to provide hints on how to increase the session debugging level.
One other thing worth trying is to attach gdb to the Xorg server from a ssh connection and see if that one is going away or hitting a crash -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1976161 Title: Session restarts when opening Pluma or GitHub link in browser To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1976161/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs