The sysrq+alt+1 and sysrq+alt+t had no effect. No sign of anything in kern.log or kern.log.1 after reboot. SSH doesn't work either.
** Attachment added: "Photo of screen" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1458569/+attachment/4417979/+files/DSC04561.JPG -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1458569 Title: System freezes randomly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1458569/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs