ETPS/2 Elantech Touchpad dies after resume from suspend
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Linux Mint |
New
|
Undecided
|
Unassigned | ||
linux (Arch Linux) |
New
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Triaged
|
Medium
|
Unassigned |
Bug Description
When the system startup, the touchpad works well, but after it resumed from a suspend, the touchpad hardware will disappear from xinput and cat /proc/bus/
Before suspend, xinput output
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ USB OPTICAL MOUSE id=10 [slave pointer (2)]
⎜ ↳ ETPS/2 Elantech Touchpad id=14 [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)]
↳ Video Bus id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ USB2.0 VGA UVC WebCam id=11 [slave keyboard (3)]
↳ Asus WMI hotkeys id=12 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=13 [slave keyboard (3)]
after suspend, the output
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ USB OPTICAL MOUSE id=10 [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)]
↳ Video Bus id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ USB2.0 VGA UVC WebCam id=11 [slave keyboard (3)]
↳ Asus WMI hotkeys id=12 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=13 [slave keyboard (3)]
And you can find that the " ETPS/2 Elantech Touchpad" is missing
output of dmesg:
dmesg|grep mouse
[ 0.512423] mousedev: PS/2 mouse device common for all mice
[ 1.114531] psmouse serio1: elantech: assuming hardware version 4 (with firmware version 0x381f00)
[ 1.128082] psmouse serio1: elantech: Synaptics capabilities query result 0x10, 0x14, 0x0e.
After a reboot, everything works well again.
---
ApportVersion: 2.14.1-0ubuntu3.15
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
InstallationDate: Installed on 2015-10-14 (3 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 007: ID 13d3:3474 IMC Networks
Bus 001 Device 002: ID 04f2:b483 Chicony Electronics Co., Ltd
Bus 001 Device 005: ID 24ae:2001
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. K401LB
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
RelatedPackageV
linux-
linux-
linux-firmware 1.127.15
Tags: trusty
Uname: Linux 3.19.0-30-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 08/26/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: K401LB.204
dmi.board.
dmi.board.name: K401LB
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.
dmi.modalias: dmi:bvnAmerican
dmi.product.name: K401LB
dmi.product.
dmi.sys.vendor: ASUSTeK COMPUTER INC.
affects: | linux-lts-vivid (Ubuntu) → linux (Ubuntu) |
tags: | added: apport-collected |
description: | updated |
description: | updated |
description: | updated |
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
Changed in linux (Ubuntu): | |
importance: | Low → Medium |
This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:
apport-collect 1506363
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.