[Lenovo E450] [ALPS touchpad] Multi-touch function of touchpad is useless
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
High
|
Adam Lee | ||
linux (Ubuntu) |
Fix Released
|
High
|
Unassigned | ||
linux-lts-utopic (Ubuntu) |
Confirmed
|
High
|
Unassigned | ||
Bug Description
CID : 201411-16166 Lenovo E450 (I+A) with 14.04.2 (utopic)
CID : 201411-16167 Lenovo E550 (I+A) with 14.04.2 (utopic)
Touchpad : ALPS touchpad: E7=73 03 0a, EC=88 b0 13
Steps:
1. Install 14.04.2 on E450.
2. Try to use muti-touch function of touchpad
Expected result:
Multi-touch works normally.
Actual result:
Multi-touch function of touchpad is useless after 14.04.2 installed.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-
ProcVersionSign
Uname: Linux 3.16.0-30-generic x86_64
NonfreeKernelMo
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Mar 19 03:55:25 2015
InstallationDate: Installed on 2015-03-16 (2 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)
---
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=
InstallationDate: Installed on 2015-03-23 (15 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: LENOVO 20DFZ0V6US
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
RelatedPackageV
linux-
linux-
linux-firmware 1.127.11
Tags: trusty
Uname: Linux 3.16.0-31-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 11/11/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: J5ET39WW (1.10 )
dmi.board.
dmi.board.name: 20DFZ0V6US
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50510 WIN
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.modalias: dmi:bvnLENOVO:
dmi.product.name: 20DFZ0V6US
dmi.product.
dmi.sys.vendor: LENOVO
description: | updated |
tags: | added: blocks-hwcert |
description: | updated |
Changed in hwe-next: | |
assignee: | nobody → Adam Lee (adam8157) |
importance: | Undecided → High |
Changed in linux-lts-utopic (Ubuntu): | |
assignee: | Adam Lee (adam8157) → nobody |
Changed in linux-lts-vivid (Ubuntu): | |
importance: | Undecided → High |
Changed in linux-lts-utopic (Ubuntu): | |
status: | In Progress → Won't Fix |
status: | Won't Fix → In Progress |
Changed in linux-lts-vivid (Ubuntu): | |
assignee: | nobody → Adam Lee (adam8157) |
no longer affects: | linux-lts-vivid (Ubuntu) |
summary: |
[Lenovo E450] [ALPS touchpad] Multi-touch function of touchpad is - useless after 14.04.2 installed. + useless |
Changed in linux (Ubuntu): | |
importance: | Undecided → High |
status: | New → Fix Released |
Changed in linux-lts-utopic (Ubuntu): | |
status: | In Progress → Confirmed |
The bug can be reproduced on 201411-16167, a ALPS touchpad too.