I just updated to Lubuntu 17.10 and experienced this issue. I have a Qualcomm Atheros QCA9377 card, and kernel version 4.13.0-16-generic had this same issue. I reverted back to 4.10.0-38-generic and the problem went away.
I'm waiting for the next kernel release to see if that solves the problem. See also this thread: https://askubuntu.com/questions/965856/kworker- blocked-for-more-than-120-seconds-ubuntu-17-10/967440 -- 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
