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** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: bionic
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https://bugs.launchpad.net/bugs/1791921
Title:
Touchpad doesn't work at all after fresh installation of Ubuntu 16.04
Status in linux package in Ubuntu:
Incomplete
Bug description:
Hello,
I installed Ubuntu 16.04 LTS on Lenovo Thinkpad Carbon-6th, Kernal
information could be find here [0]. Soon after the installation the touchpad is
not working at all, it just randomly move here and there sometime, else
nothing.
More information
1. I could find the tocupad-device present in 'cat /proc/bus/input/devices'
[1]
2. xinput is given here [2]
3. 'xinput --list-props 12' output is here [3], I tried to change the values
but no success unfortunately.
4. I found this wiki
(https://wiki.ubuntu.com/DebuggingTouchpadDetection#In_case_your_Touchpad_doesn.27t_work_at_all_.28No_response_from_the_Touchpad.29)
and ended up reporting this bug.
5. One last piece of information, somehow I managed to have my touchpad
worked absolutely fine during my previous attempt of Ubuntu 16.04 installation
this morning.
The only parameters I changed was
xinput set-prop 12 302 1 1 1
xinput set-prop 12 293 40 40 0
I had to discard that installation as there was issue in sudo apt-get
update, it failed to get the package, which seem to be linked with the
wifi issue. So I connected to proper wifi and tried fresh installation
and ended up loosing my stable touchpad.
I would really appreciate any help in fixing this problem. Many thanks
for your time!
Best Regards
Pooja
[0]
******
pooja@X1-Carbon-6:~$ uname -a
Linux X1-Carbon-6 4.15.0-34-generic #37~16.04.1-Ubuntu SMP Tue Aug 28
10:44:06 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
[1]
*******
I: Bus=0011 Vendor=0002 Product=0007 Version=01a1
N: Name="SynPS/2 Synaptics TouchPad"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input5
U: Uniq=
H: Handlers=mouse0 event5
B: PROP=5
B: EV=b
B: KEY=e520 10000 0 0 0 0
B: ABS=660800011000003
[2]
*******
pooja@X1-Carbon-6:~$ xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer
(2)]
⎜ ↳ Logitech Optical USB Mouse id=9 [slave pointer
(2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=12 [slave pointer
(2)]
⎜ ↳ PS/2 Generic Mouse id=14 [slave pointer
(2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave
keyboard (3)]
↳ Power Button id=6 [slave
keyboard (3)]
↳ Video Bus id=7 [slave
keyboard (3)]
↳ Sleep Button id=8 [slave
keyboard (3)]
↳ Integrated Camera: Integrated C id=10 [slave
keyboard (3)]
↳ AT Translated Set 2 keyboard id=11 [slave
keyboard (3)]
↳ ThinkPad Extra Buttons id=13 [slave
keyboard (3)]
[3]
************
pooja@X1-Carbon-6:~$ xinput --list-props 12
Device 'SynPS/2 Synaptics TouchPad':
Device Enabled (143): 1
Coordinate Transformation Matrix (145): 1.000000, 0.000000, 0.000000,
0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (266): 0
Device Accel Constant Deceleration (267): 2.500000
Device Accel Adaptive Deceleration (268): 1.000000
Device Accel Velocity Scaling (269): 12.500000
Synaptics Edges (292): 1574, 5370, 1350, 4502
Synaptics Finger (293): 40, 40, 0
Synaptics Tap Time (294): 180
Synaptics Tap Move (295): 252
Synaptics Tap Durations (296): 180, 180, 100
Synaptics ClickPad (297): 0
Synaptics Middle Button Timeout (298): 75
Synaptics Two-Finger Pressure (299): 4
Synaptics Two-Finger Width (300): 9
Synaptics Scrolling Distance (301): 104, 104
Synaptics Edge Scrolling (302): 1, 1, 1
Synaptics Two-Finger Scrolling (303): 1, 0
Synaptics Move Speed (304): 1.000000, 1.750000, 0.034874, 0.000000
Synaptics Off (305): 2
Synaptics Locked Drags (306): 0
Synaptics Locked Drags Timeout (307): 5000
Synaptics Tap Action (308): 0, 0, 0, 0, 1, 2, 3
Synaptics Click Action (309): 1, 3, 0
Synaptics Circular Scrolling (310): 1
Synaptics Circular Scrolling Distance (311): 0.100000
Synaptics Circular Scrolling Trigger (312): 3
Synaptics Circular Pad (313): 0
Synaptics Palm Detection (314): 0
Synaptics Palm Dimensions (315): 10, 200
Synaptics Coasting Speed (316): 20.000000, 50.000000
Synaptics Pressure Motion (317): 30, 160
Synaptics Pressure Motion Factor (318): 1.000000, 1.000000
Synaptics Resolution Detect (319): 1
Synaptics Grab Event Device (320): 0
Synaptics Gestures (321): 1
Synaptics Capabilities (322): 1, 0, 0, 1, 1, 1, 1
Synaptics Pad Resolution (323): 1, 1
Synaptics Area (324): 0, 0, 0, 0
Synaptics Noise Cancellation (326): 28, 28
Device Product ID (261): 2, 7
Device Node (262): "/dev/input/event5"
Synaptics Jumpy Cursor Threshold (588): 250
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