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.
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