Power cycling does not appear to trigger the bug, as well as attempting to recreate the original circumstances (turning off wireless through system tray + shutdown).
Specs: Dell Inspiron 17 3000 (Reg Model P35E) Ubuntu 18.04.1, kernel 5.0.0-36-generic Qualcomm Atheros QCA9377 wireless adapter -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1724317 Title: Shutdown hangs / no standby - possible Wifi-bug in the kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1724317/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs