Same problem for me (E6510):
uname -a Linux chrisj-laptop-linny 2.6.32-24-generic #42-Ubuntu SMP Fri Aug 20 14:21:58 UTC 2010 x86_64 GNU/Linux
cat /proc/bus/input/devices I: Bus=0011 Vendor=0002 Product=0001 Version=0000 N: Name="PS/2 Generic Mouse" P: Phys=isa0060/serio1/input0 S: Sysfs=/devices/platform/i8042/serio1/input/input14 U: Uniq= H: Handlers=mouse1 event14 B: EV=7 B: KEY=70000 0 0 0 0 B: REL=3
Same problem for me (E6510):
uname -a
Linux chrisj-laptop-linny 2.6.32-24-generic #42-Ubuntu SMP Fri Aug 20 14:21:58 UTC 2010 x86_64 GNU/Linux
cat /proc/bus/ input/devices serio1/ input0 devices/ platform/ i8042/serio1/ input/input14
I: Bus=0011 Vendor=0002 Product=0001 Version=0000
N: Name="PS/2 Generic Mouse"
P: Phys=isa0060/
S: Sysfs=/
U: Uniq=
H: Handlers=mouse1 event14
B: EV=7
B: KEY=70000 0 0 0 0
B: REL=3