I've tested the 4.8-rc5 mainline kernel, it boots successfully, but the
problem is still there - touchpad is not working after boot but starts
working after suspend. The outputs from xinput and synclient are the
same.
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-
upstream-4.8-rc5
** Changed in: xserver-xorg-input-synaptics (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1612762
Title:
Asus K556UB-XX115D Elan Touchpad works only AFTER suspend
Status in xserver-xorg-input-synaptics package in Ubuntu:
Confirmed
Bug description:
After login, the touchpad is detected and shown in xinput --list and
in /proc/bus/input/devices. But any movements or clicks are not
detected.
The really weird part is that the touchpad STARTS working after waking
from suspend.
The touchpad works flawlessly in Windows 10 (didn't work in Windows
7), and external mice also work in both Ubuntu and Windows. The
problem happens in Ubuntu 16.04, Ubuntu 14.04 didn't detect the
touchpad at all in xinput and /proc/bus/input/devices.
I have tried several GRUB command line parameters that I've seen
recommended on the internet, such as i8042.reset=1 i8042.nomux=1
i8042.noloop=1 psmouse.proto=bare, but none of them changed anything
the touchpad didn't work when the system boots up, but it starts
working after suspend.
I've attached the outputs from xinput --list, /proc/bus/input/devices and
synclient.
The outputs don't change when I suspend and wake up the computer, the list of
modules in lsmod also doesn't change.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xserver-xorg-input-synaptics 1.8.2-1ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Aug 12 19:44:23 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
InstallationDate: Installed on 2016-08-10 (1 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0bda:57b5 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card
Reader Controller
Bus 001 Device 005: ID 0458:003a KYE Systems Corp. (Mouse Systems)
NetScroll+ Mini Traveler / Genius NetScroll 120
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. X556UB
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-34-generic.efi.signed
root=UUID=a818d628-6917-48f8-8d23-89d267d0925a ro quiet splash pci=nomsi
vt.handoff=7
SourcePackage: xserver-xorg-input-synaptics
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/28/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X556UB.405
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X556UB
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrX556UB.405:bd06/28/2016:svnASUSTeKCOMPUTERINC.:pnX556UB:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX556UB:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: X556UB
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz 1:0.9.12.2+16.04.20160714-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2.1
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.12-1build2
xserver.bootTime: Fri Aug 12 19:41:06 2016
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 20049
vendor SDC
xserver.version: 2:1.18.3-1ubuntu2.2
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