Bug#673046: i8kutils: Touchpad random irresponsiveness (isa0060/serio1/input0 lost synchronization)

[Jonathan Nieder <jrnieder@gmail.com>]

reassign 673046 src:linux-2.6 3.2.17-1
affects 673046 + i8kutils
quit

Hi Abel,

Abel Martín wrote:

> When I start i8kmon service, touchpad becomes randomly irresponsive
> and affects user experience. This bug happens both in X and console
> mode, but it happens more often when using a graphical session. I'm
> writing this bug from the console with gpm (no X processes running).
> One has to intensively use the touchpad with such settings to
> reproduce this behaviour.
[...]
> 1) Load the i8k module
> 2) Enable i8kmon service in /etc/default/i8kmon
> 3) Start i8kmon service
[...]
> [ 1108.888889] psmouse serio1: TouchPad at isa0060/serio1/input0 lost synchronization, throwing 1 bytes away.
>
> [ 1218.750811] psmouse serio1: TouchPad at isa0060/serio1/input0 lost synchronization, throwing 4 bytes away.
>
> [ 1218.750811] psmouse serio1: TouchPad at isa0060/serio1/input0 lost synchronization, throwing 4 bytes away.
>
> This issue goes away if i8kmon service is stopped. Unloading i8k
> module is not necessary.
>
> I'm writing from a Dell Inspiron 14z and psmouse module is loaded
> with default options.

Thanks!  Reassigning to kernel.

Please attach full "dmesg" output from booting up and reproducing this
bug.

Is this a regression?  Do earlier or later kernel versions behave
differently?  (The squeeze and experimental kernels should work fine
in the context of a wheezy/sid system.)

Curious,
Jonathan