apt update/upgrade installed a new kernel version 4.4.0-64-generic which has the same problem as mentioned in my first post (kernel 4.4.0-63-generic). magic sysrq is also affected - the only way to restart the PC is a hard reset. (complete kernel crash?)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1666421 Title: kernel 4.4.0-63 with USB WLAN RTL8192CU freezes desktop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666421/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs