I have the same behaviour except that I usually can move the mouse within one screen (dual-screen system). No reactions on mouse clicks or keyboard input. Ctrl-Alt-F1 does not work. REISUB works and can power down the system! So the keyboard is not really dead.
Suspicious lines from syslog: * NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [thunderbird:2634] * CPU: 0 PID: 2634 Comm: thunderbird Tainted: G D L 4.10.0-20-generic #22-Ubuntu I have no idea whether they are related. uname -a says "4.10.0-20-generic #22-Ubuntu SMP Thu Apr 20 09:22:42 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux". -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686329 Title: System freezes randomly after upgrading to ubuntu 17.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1686329/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
