Public bug reported:
Hi,
The Elantech Touchpad appears to be buggy in linux/Ubuntu through
messages.
Today, the touchpad was not detected on startup and I am using an external
mouse to drive the cursor.
ubuntu-bug linux output attached.
For comparison, when the touchpad was working, the same system logs are
recorded in bug #1644919.
Have tried both the mainline and stable kernel.
These logs are on the stable kernel, same as those in bug 1644919
Expected behaviour. Start computer up, cursor responds to touchpad command
Current behaviour. Start computer up, cursor not visible until external mouse
plugged in and moved. Cursor responds normally to external mouse, issue with
touchpad driver.
xinput shows no touchpad detected
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-51-generic 4.4.0-51.72
ProcVersionSignature: Ubuntu 4.4.0-51.72-generic 4.4.30
Uname: Linux 4.4.0-51-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: horace 1893 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Dec 4 07:58:01 2016
HibernationDevice: RESUME=UUID=fba63969-ab35-4aa7-b2f7-e432edba169e
InstallationDate: Installed on 2016-11-13 (20 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
MachineType: GIGABYTE P57
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-51-generic.efi.signed
root=UUID=e9ea66ca-2853-4d85-bc49-74de4c35c442 ro quiet splash i8042.nomux=1
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-51-generic N/A
linux-backports-modules-4.4.0-51-generic N/A
linux-firmware 1.157.5
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/30/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: FB0B
dmi.board.asset.tag: Default string
dmi.board.name: P57
dmi.board.vendor: GIGABYTE
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 10
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrFB0B:bd05/30/2016:svnGIGABYTE:pnP57:pvrDefaultstring:rvnGIGABYTE:rnP57:rvrDefaultstring:cvnDefaultstring:ct10:cvrDefaultstring:
dmi.product.name: P57
dmi.product.version: Default string
dmi.sys.vendor: GIGABYTE
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1647093
Title:
Elantech Touchpad detected intermittently, not detected when these
system logs were taken
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