This issue appears to be an upstream bug, since you tested the latest upstream kernel. Would it be possible for you to open an upstream bug report[0]? That will allow the upstream Developers to examine the issue, and may provide a quicker resolution to the bug.
Please follow the instructions on the wiki page[0]. The first step is to email the appropriate mailing list. If no response is received, then a bug may be opened on bugzilla.kernel.org. Once this bug is reported upstream, please add the tag: 'kernel-bug- reported-upstream'. [0] https://wiki.ubuntu.com/Bugs/Upstream/kernel ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: New => Triaged -- 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/1477690 Title: SYN1B7F:00 06CB:2970 UNKNOWN does not work with Kernel 4.2.x anymore Status in linux package in Ubuntu: Triaged Bug description: The Touchpad of my Acer VN7-571G doesn't work under the mainline Kernel anymore. I: Bus=0018 Vendor=06cb Product=2970 Version=0100 N: Name="SYN1B7F:00 06CB:2970 UNKNOWN" P: Phys= S: Sysfs=/devices/pci0000:00/INT3433:00/i2c-0/i2c-SYN1B7F:00/0018:06CB:2970.0001/input/input7 U: Uniq= H: Handlers=mouse0 event7 There were always some errors in dmesg, but the touchpad worked nice. Booting with the new mainline Kernels, it crashes. I attach some reports of a self written test for a variety of Kernels. The test contains the output of: dmesg | grep i2c dmesg | grep hid xinput To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1477690/+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
