Touchpad freezes on Acer Aspire 1500, making X unusable.

[Peter Russell]

The touchpad on my Acer Aspire 1500 laptop locks up for short periods of time very frequently.

This problem or something like it was present in Dapper, but on upgrading to Edgy has become much worse, to the point that it is unusable, and I am going to have to revert to Dapper (which probably requires a complete reinstall).

Output from dmesg includes the following lines:
[17181980.796000] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 4
[17181980.796000] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17181980.804000] psmouse.c: TouchPad at isa0060/serio4/input0 - driver resynched.
[17181986.800000] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17181986.800000] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17181986.800000] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17181986.804000] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[17181986.808000] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 4
[17181986.808000] psmouse.c: issuing reconnect request

When viewing the dmesg output with watch "dmesg | tail", these lines seem to correspond with when the trackpad freezes.

I suspect that this is the problem reported here:
http://lkml.org/lkml/2005/3/30/180

There is a forum thread here:
http://ubuntuforums.org/showthread.php?t=280373
which reports the same problem.

There are also several bugs against xserver-xorg-input-synaptics which may also be related, such as: #47971, #34501.

[Mike Dahlgren (dahlgren)]

Thanks for your bug report. I have the same issue, and although I'm not sure if it is the same as bug #47971, I am sure it is the same as #34501 and marked it as such.

[DrFaNaTiC (drfanatic)]

Same problem here since Edgy.

/var/log/messages

Apr 25 22:12:53 localhost kernel: [ 6888.096000] psmouse.c: issuing reconnect request
Apr 25 22:23:53 localhost kernel: [ 7548.172000] psmouse.c: TouchPad at isa0060/serio2/input0 lost sync at byte 1
Apr 25 22:23:53 localhost kernel: [ 7548.176000] psmouse.c: TouchPad at isa0060/serio2/input0 lost sync at byte 1
Apr 25 22:23:53 localhost kernel: [ 7548.176000] psmouse.c: TouchPad at isa0060/serio2/input0 lost sync at byte 1
Apr 25 22:23:53 localhost kernel: [ 7548.180000] psmouse.c: TouchPad at isa0060/serio2/input0 lost sync at byte 1
Apr 25 22:23:53 localhost kernel: [ 7548.180000] psmouse.c: TouchPad at isa0060/serio2/input0 lost sync at byte 1

[Launchpad Janitor (janitor)]

The 18 month support period for Edgy Eft 6.10 has reached its end of life. As a result, we are closing the linux-source-2.6.17 Edgy Eft kernel task. However, development has already began for the upcoming Intrepid Ibex 8.10 release. It would be helpful if you could test the upcoming release and verify if this is still an issue - http://www.ubuntu.com/testing . If the issue still exists, please update this report by changing the Status of the "linux" task from "Incomplete" to "New". We appreciate your patience and understanding as we make this transition. Thanks!