I have the exact same problem on my Precision M4400 DualPoint. The problem is reliably repeated by moving the trackpoint stick and the touchpad at the same time. Any news on this?
Relevant entries in /proc/bus/input/devices: I: Bus=0011 Vendor=0002 Product=0008 Version=0000 N: Name="DualPoint Stick" P: Phys=isa0060/serio1/input1 S: Sysfs=/devices/platform/i8042/serio1/input/input19 U: Uniq= H: Handlers=mouse1 event9 B: EV=7 B: KEY=70000 0 0 0 0 0 0 0 0 B: REL=3 I: Bus=0011 Vendor=0002 Product=0008 Version=6222 N: Name="AlpsPS/2 ALPS DualPoint TouchPad" P: Phys=isa0060/serio1/input0 S: Sysfs=/devices/platform/i8042/serio1/input/input20 U: Uniq= H: Handlers=mouse2 event10 B: EV=f B: KEY=420 0 70000 0 0 0 0 0 0 0 0 B: REL=3 B: ABS=1000003 Sample dmesg output: [ 1064.295828] input: DualPoint Stick as /devices/platform/i8042/serio1/input/input17 [ 1064.344275] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input18 [ 1069.649639] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 5 [ 1069.650596] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1069.658692] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1070.461368] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 5 [ 1070.462320] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1070.469326] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1070.780301] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 6 [ 1070.789547] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1070.806772] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 6 [ 1070.815776] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1070.831797] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 6 [ 1070.838772] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1070.893729] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 6 [ 1070.900535] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1071.032366] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 6 [ 1071.039123] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1073.387561] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 6 [ 1073.394223] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1193.632760] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 5 [ 1193.633663] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1193.641530] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1193.658689] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 5 [ 1193.659601] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1193.666436] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1193.667483] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1193.671286] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 - driver resynched. [ 1193.672356] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1193.684022] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 5 [ 1193.684970] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1193.689596] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1193.690730] psmouse.c: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 1193.690736] psmouse.c: issuing reconnect request -- ALPS DualPoint Touchpad flaky performance https://bugs.launchpad.net/bugs/296610 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
