Public bug reported:
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)
** Affects: linux-lts-vivid (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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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)
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https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1564237/+subscriptions
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