Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.13 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13-rc4 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1710392 Title: Additional initializer needed to recognize trackpad on Lenovo Yoga 720 laptop Status in linux package in Ubuntu: Incomplete Bug description: There's just a 1 line patch required, to add an initializer to array of structs scanned to match up the device ID with driver. The PR is here: https://github.com/torvalds/linux/pull/444#discussion_r131229815 I've applied the patch and created and booted from a custom kernel and it works great. The laptop is wonderful running Ubuntu: I7 7700HQ, 16G RAM, 500G SSD, 4K touch screen, decent I/O ports. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1710392/+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
