Reviewing bug 1868519, it certainly matches the situation. Mouse movement is the trigger for the crash. For gimp it's moving the mouse after opening or creating an image. For Libreoffice it's beginning to use the crop tool, which is also a mouse movement.
-- 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/1876992 Title: X11 session crash on using Gimp or LibreOffice To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-440/+bug/1876992/+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