I've managed to reproduce this in other programs, such a lyx it is to do with resizing boxes inside the program and is likely an xserver error.
No valid against texmaker. ** Changed in: texmaker (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/692073 Title: TexMaker appears to restart computer when trying to open or start new document -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs