I noticed in dmesg: Working kernel: [ 3.565137] i2c_hid i2c-SYN1B7D:01: failed to retrieve report from device. [ 3.565306] input: SYN1B7D:01 06CB:2991 UNKNOWN as /devices/platform/80860F41:00/i2c-0/i2c-SYN1B7D:01/0018:06CB:2991.0001/input/input8 [ 3.565618] hid-multitouch 0018:06CB:2991.0001: input,hidraw0: <UNKNOWN> HID v1.00 Mouse [SYN1B7D:01 06CB:2991] on
Not working kernel: [ 3.572672] i2c_designware 80860F41:00: controller timed out [ 3.572682] i2c_designware 80860F41:00: Unknown Synopsys component type: 0x00000000 [ 3.572690] i2c_hid i2c-SYN1B7D:01: hid_descr_cmd failed I'll attach both full dmesg logs. ** Attachment added: "dmesg log from 3.19.0-49, working" https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1564237/+attachment/4617902/+files/good.dmesg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-vivid in Ubuntu. https://bugs.launchpad.net/bugs/1564237 Title: Acer touchpad stopped working with kernel 3.19.0-56 Status in linux-lts-vivid package in Ubuntu: New Bug description: After Ubuntu updated the kernel to 3.19.0-56 the touchpad stopped working. The mouse pointer never appears and touching/dragging/clicking has no effect. I can make it work by using the GRUB menu to boot 3.19.0-49 instead. On the older, working, kernel xinput outputs: ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ SYN1B7D:01 06CB:2991 UNKNOWN id=11 [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)] ↳ Power Button id=8 [slave keyboard (3)] ↳ Sleep Button id=9 [slave keyboard (3)] ↳ HD WebCam id=10 [slave keyboard (3)] ↳ AT Translated Set 2 keyboard id=12 [slave keyboard (3)] ↳ Acer WMI hotkeys id=13 [slave keyboard (3)] On the new, not working, kernel xinput outputs: ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [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)] ↳ Power Button id=8 [slave keyboard (3)] ↳ Sleep Button id=9 [slave keyboard (3)] ↳ HD WebCam id=10 [slave keyboard (3)] ↳ AT Translated Set 2 keyboard id=11 [slave keyboard (3)] ↳ Acer WMI hotkeys id=12 [slave keyboard (3)] Hardware is Acer ES1-111M-C40S laptop. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.19.0-56-generic 3.19.0-56.62~14.04.1 ProcVersionSignature: Ubuntu 3.19.0-56.62~14.04.1-generic 3.19.8-ckt15 Uname: Linux 3.19.0-56-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CurrentDesktop: Unity Date: Wed Mar 30 21:52:31 2016 InstallationDate: Installed on 2015-10-20 (162 days ago) InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) SourcePackage: linux-lts-vivid UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1564237/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
