This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1859028 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Tags added: bionic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1859028 Title: Touchpad not working after kernel upgrade Status in linux package in Ubuntu: Incomplete Bug description: My touchpad stopped to work unexpectedly. I don't understand, the cause of problem. Yesterday touchpad workes well, today I turned on my laptop, and touchpad not working. Maybe the problem did apperes after I upgrade to kernel 4.15.0-74-generic, but it was upgraded two days ago. 1. My laptop model: HP Probook 450 G3 2. Manufacturer of touchpad - Synaptic, I don't know exact model Touchpad doesn't work in ubuntu live cd too. But it works in bios uefi and in windows installation cd. xinput doesn't return information about touchpad ``` xinput ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ A4TECH USB Device id=9 [slave pointer (2)] ⎜ ↳ A4TECH USB Device id=15 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Power Button id=6 [slave keyboard (3)] ↳ Video Bus id=7 [slave keyboard (3)] ↳ Sleep Button id=8 [slave keyboard (3)] ↳ HP HD Camera: HP HD Camera id=11 [slave keyboard (3)] ↳ AT Raw Set 2 keyboard id=12 [slave keyboard (3)] ↳ HP WMI hotkeys id=13 [slave keyboard (3)] ↳ HP Wireless hotkeys id=14 [slave keyboard (3)] ↳ A4TECH USB Device id=10 [slave keyboard (3)] ``` I tried to set kernel options ``` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i8042.nomux=1 i8042.reset" ``` it didn't helped to me In attachments ``` cat /proc/bus/input/devices dmesg ``` ``` To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859028/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp