Ubuntu
xserver-xorg-input-synaptics package

  1. Bug #896922
  2. Comment #35

Comment 35 for bug 896922

Revision history for this message
theghost (theghost) wrote :

Here are some steps to easily reproduce the issue:

1. Start typing text in a program like firefox.
2. Try to use your touchpad immediatly after typing.

It occurs often that the touchpad is not usable in step 2 because it lost sync.
Heres my dmesg log.

[ 27.145500] psmouse serio4: synaptics: Touchpad model: 1, fw: 7.2, id: 0x1c0b1, caps: 0xd047b3/0xb40000/0xa0000
[ 27.145517] psmouse serio4: synaptics: serio: Synaptics pass-through port at isa0060/serio4/input0
[ 35.400578] psmouse serio5: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 148.433264] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 148.438244] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 148.442802] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 148.444135] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 148.457697] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 148.457707] psmouse serio4: issuing reconnect request
[ 195.273729] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 195.278710] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 195.283225] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 195.284554] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 195.290365] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 195.290372] psmouse serio4: issuing reconnect request
[ 705.102333] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 4
[ 705.103636] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1
[ 705.127931] psmouse serio4: TouchPad at isa0060/serio4/input0 - driver resynced.