Same problem.
Hardy with latest updates, Acer Aspire 1362 laptop, Via chipset
Feb 14 16:44:39 mikkojakaisa kernel: [ 1100.684258] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 4
Feb 14 16:44:39 mikkojakaisa kernel: [ 1100.687094] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
Feb 14 16:44:39 mikkojakaisa kernel: [ 1100.694519] psmouse.c: TouchPad at isa0060/serio4/input0 - driver resynched.
Feb 14 16:45:09 mikkojakaisa kernel: [ 1147.951137] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.015478] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.016861] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.018246] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.019641] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.019648] psmouse.c: issuing reconnect request
Feb 14 16:46:09 mikkojakaisa kernel: [ 611.922433] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 4
Feb 14 16:46:09 mikkojakaisa kernel: [ 611.923818] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
Feb 14 16:46:09 mikkojakaisa kernel: [ 611.933125] psmouse.c: TouchPad at isa0060/serio4/input0 - driver resynched.
Same problem.
Hardy with latest updates, Acer Aspire 1362 laptop, Via chipset
Feb 14 16:44:39 mikkojakaisa kernel: [ 1100.684258] psmouse.c: TouchPad at isa0060/ serio4/ input0 lost sync at byte 4 serio4/ input0 lost sync at byte 1 serio4/ input0 - driver resynched. serio4/ input0 lost sync at byte 1 serio4/ input0 lost sync at byte 1 serio4/ input0 lost sync at byte 1 serio4/ input0 lost sync at byte 1 serio4/ input0 lost sync at byte 1 serio4/ input0 lost sync at byte 4 serio4/ input0 lost sync at byte 1 serio4/ input0 - driver resynched.
Feb 14 16:44:39 mikkojakaisa kernel: [ 1100.687094] psmouse.c: TouchPad at isa0060/
Feb 14 16:44:39 mikkojakaisa kernel: [ 1100.694519] psmouse.c: TouchPad at isa0060/
Feb 14 16:45:09 mikkojakaisa kernel: [ 1147.951137] psmouse.c: TouchPad at isa0060/
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.015478] psmouse.c: TouchPad at isa0060/
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.016861] psmouse.c: TouchPad at isa0060/
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.018246] psmouse.c: TouchPad at isa0060/
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.019641] psmouse.c: TouchPad at isa0060/
Feb 14 16:45:09 mikkojakaisa kernel: [ 1148.019648] psmouse.c: issuing reconnect request
Feb 14 16:46:09 mikkojakaisa kernel: [ 611.922433] psmouse.c: TouchPad at isa0060/
Feb 14 16:46:09 mikkojakaisa kernel: [ 611.923818] psmouse.c: TouchPad at isa0060/
Feb 14 16:46:09 mikkojakaisa kernel: [ 611.933125] psmouse.c: TouchPad at isa0060/