Public bug reported:
Hi all,
for about one week now I cannot use the Touchpad of my ThinkPad because
Ubuntu does not detect it. I encountered the same problem during the
installation, but a few days later everything suddenly worked. This time
a miraculous fix has not happened.
The Touchpad stopped being detected from one day to another. Changing
back to an older kernel version (which worked completely fine before)
did not solve the problem.
I started having the problem with kernel 4.4.0-36-generic and tried
4.2.0-42-generic which did not help.
I will shortly add the desired logs and attachments. The Ubuntu version
I am using is Ubuntu 14.04.5 LTS.
Thanks in advance,
Stephan
---
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: stephan 1930 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=8230ec00-a0a7-4055-8e06-579423a7b3ec
InstallationDate: Installed on 2016-04-06 (159 days ago)
InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04f2:b541 Chicony Electronics Co., Ltd
Bus 001 Device 003: ID 8087:0a2a Intel Corp.
Bus 001 Device 002: ID 0461:4e22 Primax Electronics, Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20EUS00000
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-36-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-36.55~14.04.1-generic 4.4.16
RelatedPackageVersions:
linux-restricted-modules-4.4.0-36-generic N/A
linux-backports-modules-4.4.0-36-generic N/A
linux-firmware 1.127.22
Tags: trusty
Uname: Linux 4.4.0-36-generic x86_64
UpgradeStatus: Upgraded to trusty on 2016-08-10 (33 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
WifiSyslog: Sep 13 09:52:19 stephan-ThinkPad-E460 kernel: [ 2737.990372]
systemd-hostnamed[3671]: Warning: nss-myhostname is not installed. Changing the
local hostname might make it unresolveable. Please install nss-myhostname!
_MarkForUpload: True
dmi.bios.date: 01/17/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: R00ET37W (1.12 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20EUS00000
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrR00ET37W(1.12):bd01/17/2016:svnLENOVO:pn20EUS00000:pvrThinkPadE460:rvnLENOVO:rn20EUS00000:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20EUS00000
dmi.product.version: ThinkPad E460
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-collected trusty
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https://bugs.launchpad.net/bugs/1622884
Title:
Lenovo ThinkPad E460 20EUS00000 Touchpad not detected
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