Public bug reported:
The touchpad on a HP Pavilion dv7 4120TX does not function after
installation unless the psmouse module is loaded with proto=exps
arguments:
sudo modprobe -r psmouse
sudo modprobe psmouse proto=exps
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-23-generic 3.2.0-23.36
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu5
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: sharaya 1995 F.... pulseaudio
/dev/snd/controlC0: sharaya 1995 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd4100000 irq 49'
Mixer name : 'IDT 92HD81B1X5'
Components : 'HDA:111d7605,103c1449,00100402'
Controls : 16
Simple ctrls : 9
Card1.Amixer.info:
Card hw:1 'Generic'/'HD-Audio Generic at 0xd4020000 irq 50'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 6
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
CurrentDmesg:
[ 78.536911] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 78.666205] ISO 9660 Extensions: RRIP_1991A
[ 193.515059] psmouse serio1: synaptics: Touchpad model: 1, fw: 7.4, id:
0x1e0b1, caps: 0xd04773/0xe40000/0x5a0400
[ 193.603399] input: SynPS/2 Synaptics TouchPad as
/devices/platform/i8042/serio1/input/input14
[ 204.553743] input: PS/2 Synaptics TouchPad as
/devices/platform/i8042/serio1/input/input15
Date: Fri Apr 27 18:28:13 2012
HibernationDevice: RESUME=UUID=4c987db7-472b-458e-8720-a07d025a5b70
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
MachineType: Hewlett-Packard HP Pavilion dv7 Notebook PC
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic
root=UUID=822cde78-5f7f-48a2-8ff6-6133498d71c0 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-23-generic N/A
linux-backports-modules-3.2.0-23-generic N/A
linux-firmware 1.79
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/07/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.29
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1449
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 65.38
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.29:bd11/07/2011:svnHewlett-Packard:pnHPPaviliondv7NotebookPC:pvr0583110000242B20010620100:rvnHewlett-Packard:rn1449:rvr65.38:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv7 Notebook PC
dmi.product.version: 0583110000242B20010620100
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug precise staging
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https://bugs.launchpad.net/bugs/989502
Title:
Touchpad doesn't function unless psmouse is loaded with proto=exps
arguments arguments
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