You have been subscribed to a public bug:
Since upgrading to 16.04 clicking the middle mouse button (scroll wheel)
on my Logitech M185 stopped working.
xev does not even show the event for clicking the wheel, while it shows
other button clicks and scroll wheel up/down events.
xinput list shows the USB receiver 2 times:
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech USB Receiver id=9 [slave pointer (2)]
⎜ ↳ Logitech USB Receiver id=10 [slave pointer (2)]
⎜ ↳ HID 046a:0023 id=13 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=16 [slave pointer (2)]
⎜ ↳ TPPS/2 IBM TrackPoint id=17 [slave pointer (2)]
Listing the capabilities looks like this:
$ xinput list 9
Logitech USB Receiver id=9 [slave pointer (2)]
Reporting 7 classes:
Class originated from: 9. Type: XIButtonClass
Buttons supported: 24
Button labels: "Button Left" "Button Middle" "Button Right"
"Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz
Wheel Right" "Button Side" "Button Extra" "Button Forward" "Button Back"
"Button Task" "Button Unknown" "Button Unknown" "Button Unknown" "Button
Unknown" "Button Unknown" "Button Unknown" "Button Unknown" "Button Unknown"
"Button Unknown" "Button Unknown" "Button Unknown" "Button Unknown"
Button state:
Class originated from: 9. Type: XIValuatorClass
Detail for Valuator 0:
Label: Rel X
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 9. Type: XIValuatorClass
Detail for Valuator 1:
Label: Rel Y
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 9. Type: XIValuatorClass
Detail for Valuator 2:
Label: Rel Horiz Wheel
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 9. Type: XIValuatorClass
Detail for Valuator 3:
Label: Rel Vert Wheel
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 9. Type: XIScrollClass
Scroll info for Valuator 2
type: 2 (horizontal)
increment: 1.000000
flags: 0x0
Class originated from: 9. Type: XIScrollClass
Scroll info for Valuator 3
type: 1 (vertical)
increment: -1.000000
flags: 0x2 ( preferred )
$ xinput list 10
Logitech USB Receiver id=10 [slave pointer (2)]
Reporting 6 classes:
Class originated from: 10. Type: XIButtonClass
Buttons supported: 7
Button labels: "Button 0" "Button Unknown" "Button Unknown"
"Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz
Wheel Right"
Button state:
Class originated from: 10. Type: XIKeyClass
Keycodes supported: 248
Class originated from: 10. Type: XIValuatorClass
Detail for Valuator 0:
Label: Rel X
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 10. Type: XIValuatorClass
Detail for Valuator 1:
Label: Rel Y
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 10. Type: XIValuatorClass
Detail for Valuator 2:
Label: Rel Horiz Wheel
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 10. Type: XIScrollClass
Scroll info for Valuator 2
type: 2 (horizontal)
increment: 1.000000
flags: 0x0
Does anyone have an idea how I can attempt to further debug that issue?
Or maybe even a solution? Should I consider this issue a bug? Can I
provide more info?
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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Middle mouse (wheel-click) button stopped working after upgrade to 16.04
https://bugs.launchpad.net/bugs/1581088
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