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Message #40154
[Bug 896922] Re: Lenovo L520 - "psmouse.c: touchpad at isa0060/serio4/input0 lost sync" and stops working for seconds
@Christopher: I will retest the latest Kernels within the next few days.
@Jon: I propose to keep an eye on the upstream bug-report, which I linked here in the past (https://bugzilla.kernel.org/show_bug.cgi?id=8740). Even though it was removed from this bug tracker, it's still open in the Kernel's bugtracker.
Also it's better to contribute feedback there, given the fact that this bug is known by Canonical and open since 2011 and the Lenovo L520 is a offically certified Ubuntu device, nothing is was done to clear out this issue.
But for the sake to not get this closed due to inactivity, I will retest
all.
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https://bugs.launchpad.net/bugs/896922
Title:
Lenovo L520 - "psmouse.c: touchpad at isa0060/serio4/input0 lost sync"
and stops working for seconds
Status in The Linux Kernel:
New
Status in xf86-input-synaptics:
New
Status in “linux” package in Ubuntu:
Incomplete
Status in “xserver-xorg-input-synaptics” package in Ubuntu:
Confirmed
Bug description:
Since Maverick, when using the touchpad, it's often not working and stucks for seconds, in short, it is unusesable. This bug still happens in Ubuntu 11.10 on a Lenovo L520 with 3.0.0-13-generic. Its a Synaptics touchpad, maybe it's kernel bug. Dmesg produces the following output:
[14861.416567] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[14861.417899] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[14861.419232] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[14861.420563] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[14861.424233] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[14861.424240] psmouse.c: issuing reconnect request
[17240.238861] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 4
[17240.240191] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17240.258248] psmouse.c: TouchPad at isa0060/serio4/input0 - driver resynched.
[17695.950963] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17695.955414] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17695.956743] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17695.960402] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17695.961736] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17695.961740] psmouse.c: issuing reconnect request
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-13-generic 3.0.0-13.22
ProcVersionSignature: Ubuntu 3.0.0-13.22-generic 3.0.6
Uname: Linux 3.0.0-13-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mathias 15841 F.... pulseaudio
CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf0900000 irq 43'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0269,17aa21de,00100100 HDA:80862805,80860101,00100000'
Controls : 24
Simple ctrls : 11
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 8GHT26WW-1.080000'
Mixer name : 'ThinkPad EC 8GHT26WW-1.080000'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Sun Nov 27 17:58:09 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: LENOVO 785954G
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-13-generic root=UUID=cf5078bd-6bdb-4d1b-a1bb-92d20c5ac60d ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-13-generic N/A
linux-backports-modules-3.0.0-13-generic N/A
linux-firmware 1.60
SourcePackage: linux
StagingDrivers: rts_pstor mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/06/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8GET37WW (1.14 )
dmi.board.name: 785954G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8GET37WW(1.14):bd10/06/2011:svnLENOVO:pn785954G:pvrThinkPadL520:rvnLENOVO:rn785954G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 785954G
dmi.product.version: ThinkPad L520
dmi.sys.vendor: LENOVO
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