[Kernel-packages] [Bug 1803600] Re: Elantech - Touchpad not working after upgrading to 18.10 from 18.04

#8 from Kai-Heng Feng (kaihengfeng) fixed the issue for me on Lenovo P72 Intel® Core™ i7-8750H running Ubuntu 18.10 kernel 4.18.0-15-generic #16-Ubuntu SMP. I added the following line to my /etc/default/grub GRUB_CMDLINE_LINUX="psmouse.elantech_smbus=0" then ran "sudo update-grub" in the usual wa

[Kernel-packages] [Bug 1720930] Re: wlp3s0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardware (-22)

Workaround #1: I can confirm that on Lenovo P70 Mobile Workstation running Artful Aardvark 17.10 an upgrade to kernel 4.13.6 or higher prevented the hang on "wlp4s0: failed to remove key" (although as mentioned the error still appears in the shutdown sequence). Workaround #2 I also found that if