[ Seems SOLVED, for me at least ]
First I installed evtest ("aptitude install evtest"), and then by trying
each input device in turn [1], found the one that my Synaptics touchpad
was connected to would not respond to the left button:
root@shahhaqu-w500:~# evtest /dev/input/event7
Input driver version is 1.0.1
Input device ID: bus 0x11 vendor 0x2 product 0x7 version 0x1b1
Input device name: "SynPS/2 Synaptics TouchPad"
Supported events:
Event type 0 (Sync)
Event type 1 (Key)
Event code 272 (LeftBtn)
Event code 273 (RightBtn)
Event code 325 (ToolFinger)
Event code 330 (Touch)
Event type 3 (Absolute)
Event code 0 (X)
Value 5557
Min 1472
Max 5598
Event code 1 (Y)
Value 4803
Min 1408
Max 4670
Event code 24 (Pressure)
Value 0
Min 0
Max 255
Event code 28 (Tool Width)
Value 0
Min 0
Max 15
Testing ... (interrupt to exit)
Event: time 1313919894.959784, type 1 (Key), code 273 (RightBtn), value 1
Event: time 1313919894.959793, -------------- Report Sync ------------
Event: time 1313919895.138543, type 1 (Key), code 273 (RightBtn), value 0
Event: time 1313919895.138548, -------------- Report Sync ------------
Plenty of right button ok, but no left button events. I disassembled the
front of the case, and noticed that the cable/flexible PCB that
connected it was creased and twisted. Untwisting the cable seems to have
done the trick. Then I remembered that for a recent memory upgrade, the
tech had opened this exact part of the case...
At any rate, evetest allowed me to see this was happening before the X
server.
[1] The numberig of the device seems to vary from boot to boot for me.
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https://bugs.launchpad.net/bugs/828893
Title:
left mouse button ignored
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