Since I reinstalled Ubuntu 18.04, I do not have this problem anymore. I believe that a bug still lay hidden somewhere but the conditions to activate it is gone.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1773875 Title: Xorg crashed with SIGABRT in OsAbort() from AbortServer() from FatalError("xf86OpenConsole: Switching VT failed\n") from xf86OpenConsole() from InitOutput() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1773875/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs