[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1736017
Title:
trackpad looses sync and hangs -- 16.10 worked, 17.10 does not
Status in linux package in Ubuntu:
Expired
Bug description:
I run Ubuntu 17.10 (Kubuntu) on a Thinkpad Yoga260 notebook. The
trackpad hangs regularly, typically after a few minutes of use. dmesg
reports "lost sync bytes".
Interestingly, this error already occurred in 16.04 (there are many
reports about this, e.g.
https://askubuntu.com/questions/922092/lifebook-e546-touchpad-on-
ubuntu-16-04), but my notebook works fine with 16.10 which I used for
about a year without any problems. Now that I updated it to 17.10 it
occurs again. Both 16.10 and 17.10 are now installed in parallel, but
the error only manifests when I boot into the latter.
I have tried proto=imps and proto=bare (module psmouse), but this does
not make a difference.
I report this here because this might be some kind of regression (or
coincidence).
Output from dmesg:
The trackpad detected es one from elantech:
[ 1.952397] psmouse serio1: elantech: assuming hardware version 4 (with
firmware version 0x4d1f04)
[ 1.967272] psmouse serio1: elantech: Synaptics capabilities query result
0x80, 0x14, 0x0c.
[ 1.982603] psmouse serio1: elantech: Elan sample query result 04, 01, 85
[ 802.847308] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 802.854537] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 802.862926] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 802.870528] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 802.877890] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 802.877899] psmouse serio1: issuing reconnect request
[ 805.772533] psmouse serio1: elantech: PS/2 packet [54 80 80 36 00 00]
[ 1008.218685] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 1008.226641] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 1008.234590] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 1008.242843] psmouse serio1: elantech: PS/2 packet [75 31 52 96 44 19]
[ 1008.242851] psmouse serio1: Touchpad at isa0060/serio1/input0 - driver
resynced.
[ 1008.251339] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 1008.258971] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 1008.265958] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 1008.273071] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 1008.280932] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at
byte 6
[ 1008.280940] psmouse serio1: issuing reconnect request
etc...
---
ApportVersion: 2.20.7-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: pascal 1282 F.... pulseaudio
DistroRelease: Ubuntu 17.10
HibernationDevice: RESUME=UUID=cb84af7b-bfe3-432a-a69a-6a448b1f667a
InstallationDate: Installed on 2017-12-01 (2 days ago)
InstallationMedia: Kubuntu 17.10 "Artful Aardvark" - Release amd64
(20171017.1)
MachineType: LENOVO 20FES2N100
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-17-generic.efi.signed
root=UUID=c07aafe2-3841-467a-becb-e8173c55fac4 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.13.0-17-generic N/A
linux-backports-modules-4.13.0-17-generic N/A
linux-firmware 1.169
Tags: artful
Uname: Linux 4.13.0-17-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 09/30/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: N1GET82W (1.61 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FES2N100
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1GET82W(1.61):bd09/30/2017:svnLENOVO:pn20FES2N100:pvrThinkPadYoga260:rvnLENOVO:rn20FES2N100:rvrNotDefined:cvnLENOVO:ct31:cvrNone:
dmi.product.family: ThinkPad Yoga 260
dmi.product.name: 20FES2N100
dmi.product.version: ThinkPad Yoga 260
dmi.sys.vendor: LENOVO
---
ApportVersion: 2.20.7-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: pascal 1282 F.... pulseaudio
DistroRelease: Ubuntu 17.10
HibernationDevice: RESUME=UUID=cb84af7b-bfe3-432a-a69a-6a448b1f667a
InstallationDate: Installed on 2017-12-01 (2 days ago)
InstallationMedia: Kubuntu 17.10 "Artful Aardvark" - Release amd64
(20171017.1)
MachineType: LENOVO 20FES2N100
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-17-generic.efi.signed
root=UUID=c07aafe2-3841-467a-becb-e8173c55fac4 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.13.0-17-generic N/A
linux-backports-modules-4.13.0-17-generic N/A
linux-firmware 1.169
Tags: artful
Uname: Linux 4.13.0-17-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 09/30/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: N1GET82W (1.61 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FES2N100
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1GET82W(1.61):bd09/30/2017:svnLENOVO:pn20FES2N100:pvrThinkPadYoga260:rvnLENOVO:rn20FES2N100:rvrNotDefined:cvnLENOVO:ct31:cvrNone:
dmi.product.family: ThinkPad Yoga 260
dmi.product.name: 20FES2N100
dmi.product.version: ThinkPad Yoga 260
dmi.sys.vendor: LENOVO
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