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Updating from ubuntu 11.10 to ubuntu 12.04 made the Keyboard and
touchpad of the laptop, to work in erradic ways.
Keyboard: It stalls from time to time, by responding: too slow to keypresses,
and at that time it repeats pressed characters.
Touchpad: It like havving a very slow resolution. I am moving the finger on the
touchpad, and the mouse pointer refreshes 1-2 times per second. The touchpad
cannot be used.
I've made a clean install of Ubuntu 12.04, Still having the same
problem.
The problem also exists on Clear console (outside Xorg Graphic
environment).
The above also exists on ubuntu Live CD
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-30-generic 3.2.0-30.48
ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
Uname: Linux 3.2.0-30-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu13
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC272 Analog [ALC272 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: phoinix 1666 F.... xfce4-volumed
phoinix 1684 F.... pulseaudio
/dev/snd/controlC0: phoinix 1666 F.... xfce4-volumed
phoinix 1684 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd9100000 irq 43'
Mixer name : 'Realtek ALC272'
Components : 'HDA:10ec0272,17aac004,00100001'
Controls : 27
Simple ctrls : 14
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xd3000000 irq 16'
Mixer name : 'Nvidia GPU 0a HDMI/DP'
Components : 'HDA:10de000a,10de0101,00100100'
Controls : 24
Simple ctrls : 4
CurrentDmesg:
[ 438.078992] psmouse serio1: synaptics: Touchpad model: 1, fw: 7.2, id:
0x1c0b1, caps: 0xd04733/0xa40000/0xa0000
[ 438.182785] input: SynPS/2 Synaptics TouchPad as
/devices/platform/i8042/serio1/input/input18
[ 1685.111052] init: tty1 main process ended, respawning
Date: Wed Sep 19 21:31:49 2012
HibernationDevice: RESUME=UUID=dd246c6e-3db2-405c-9215-ceb35a7ab336
InstallationMedia: Xubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120817.3)
MachineType: LENOVO 20035
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=el_GR.UTF-8
SHELL=/bin/bash
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-30-generic
root=UUID=2f368125-ad05-412c-9aef-f8aa90ee6c55 ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.2.0-30-generic N/A
linux-backports-modules-3.2.0-30-generic N/A
linux-firmware 1.79.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/17/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 1ECN33WW(V5.07)
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Base Board Product Name
dmi.board.vendor: LENOVO
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnLENOVO:bvr1ECN33WW(V5.07):bd03/17/2010:svnLENOVO:pn20035:pvrLenovoIdeaPadY550P:rvnLENOVO:rnBaseBoardProductName:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: 20035
dmi.product.version: Lenovo IdeaPad Y550P
dmi.sys.vendor: LENOVO
** Affects: xserver-xorg-input-synaptics (Ubuntu)
Importance: Medium
Status: Incomplete
** Tags: amd64 apport-bug kernel-bug-exists-upstream precise regression-release
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Lenovo Y550P touchpad + keyboard erratic response
https://bugs.launchpad.net/bugs/1053040
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