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Binary package hint: xorg
There's a chance this is more of a kernel bug than an xorg bug. I'm not
sure.
My HP Pavilion dv5t has a touchpad-disable button that's sometimes
necessary when typing at a long stretch and you don't want to
accidentally center-click in the window.
I disabled the touchpad and was not able to make it come back. The
little light goes from orange to white, which is an indication that the
hardware thinks it's re-enabled.
The problem can manifest in a few different ways.
Sometimes the cursor moves but cannot click or focus anything.
Sometimes the cursor simply will no longer react.
Sometimes restarting GDM does not solve the problem.
This last time, I even fully rebooted and was unable to get the mouse
back. I was lucky that a little fiddling with the disable switch and
restarting GDM again made it come back.
I'm inclined to think this kernel output is involved:
Mar 24 15:50:06 localhost kernel: [ 786.963086] psmouse.c: TouchPad at
isa0060/serio1/input0 lost synchronization, throwing 4 bytes away.
Mar 24 15:50:06 localhost kernel: [ 787.476687] psmouse.c: resync failed,
issuing reconnect request
...but it looks like it's happened in my logs at times when this effect
was not seen. I believe the rest of my dmesg output is attached, so
maybe there's something else in there that's enlightening.
Let me know if you need any more info from me.
ProblemType: Bug
Architecture: amd64
Date: Wed Mar 24 15:56:28 2010
DistroRelease: Ubuntu 10.04
MachineType: Hewlett-Packard HP Pavilion dv5 Notebook PC
NonfreeKernelModules: nvidia wl
Package: xserver-xorg 1:7.5+3ubuntu1
ProcCmdLine: root=UUID=650bb976-0265-4231-9b83-2aecd789085f ro quiet splash
crashkernel=384M-2G:64M,2G-:128M
ProcEnviron:
LC_COLLATE=C
PATH=(custom, user)
LANG=en_US.utf8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
SourcePackage: xorg
Uname: Linux 2.6.32-17-generic x86_64
dmi.bios.date: 08/20/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.21
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3603
dmi.board.vendor: Quanta
dmi.board.version: 02.26
dmi.chassis.type: 10
dmi.chassis.vendor: Quanta
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.21:bd08/20/2009:svnHewlett-Packard:pnHPPaviliondv5NotebookPC:pvrRev1:rvnQuanta:rn3603:rvr02.26:cvnQuanta:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv5 Notebook PC
dmi.product.version: Rev 1
dmi.sys.vendor: Hewlett-Packard
system:
distro: Ubuntu
codename: lucid
architecture: x86_64
kernel: 2.6.32-17-generic
** Affects: gnome-settings-daemon (Ubuntu)
Importance: Medium
Status: Triaged
** Tags: amd64 apport-bug kj-triage lucid needs-upstream-testing
--
HP touchpad-disable switch damages mouse and focus capability
https://bugs.edge.launchpad.net/bugs/546503
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