As I had mentionned in previous bug, problem still exists with latest upstream.
Kernel tested: th0ma7@brutus:~$ uname -a Linux brutus 3.15.0-031500rc2-generic #201404201435 SMP Sun Apr 20 18:36:18 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux However I did noticed USB errors at boot time which seemed relevant: [ 4.078636] usb 2-6: device descriptor read/64, error -71 [ 4.182641] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 3. [ 4.182726] usb 2-6: hub failed to enable device, error -22 [ 4.406874] usb 2-6: device descriptor read/64, error -71 [ 4.510833] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 4. [ 4.510919] usb 2-6: hub failed to enable device, error -22 [ 5.031131] usb 2-6: device not accepting address 6, error -71 [ 5.551425] usb 2-6: device not accepting address 7, error -71 ** Attachment added: "Full 3.15-rc upstream kernel boot dmesg" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1312489/+attachment/4097612/+files/dmesg-3.15.0-rc2-upstream.txt ** Tags removed: amd64 apport-bug latest-bios-f.24 trusty ** Tags added: kernel-bug-exists-upstream ** Tags removed: kernel-bug-exists-upstream ** Tags added: kernel-bug-exists-upstream-3.15.0-rc2 ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1312489 Title: [HP Split 13-m110ca x2 PC] Touchpad not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1312489/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs