I'm not sure if this is the same issue, but my middle click also stopped
working after 13.10 upgrade.
I'm using Lenovo X1 Carbon and it has a hardware middle mouse button. Here's
the xev output when I press that button:
KeymapNotify event, serial 37, synthetic NO, window 0x0,
keys: 4294967198 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ButtonPress event, serial 37, synthetic NO, window 0x5c00001,
root 0x9e, subw 0x0, time 4160630, (19,6), root:(127,1108),
state 0x0, button 2, same_screen YES
ButtonRelease event, serial 37, synthetic NO, window 0x5c00001,
root 0x9e, subw 0x0, time 4160630, (19,6), root:(127,1108),
state 0x200, button 2, same_screen YES
So it gets recognized as "button 2" but for some reason the middle click action
never happens.
However if I connect a USB mouse with a scroll wheel, the middle click action
works. Here's xev output for USB mouse middle click:
KeymapNotify event, serial 37, synthetic NO, window 0x0,
keys: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ButtonPress event, serial 37, synthetic NO, window 0x5c00001,
root 0x9e, subw 0x0, time 4248704, (146,11), root:(254,1113),
state 0x0, button 2, same_screen YES
ButtonRelease event, serial 37, synthetic NO, window 0x5c00001,
root 0x9e, subw 0x0, time 4248959, (146,11), root:(254,1113),
state 0x200, button 2, same_screen YES
The only difference that I see is the weird value in the KeymapNotify event but
it doesn't make any sense to me. Somebody please help, I'm so used to my middle
button!
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https://bugs.launchpad.net/bugs/1247584
Title:
[keymap] Since upgrade to Ubuntu 13.10, udev doesn't map middle mouse
button.
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