Hi, i did a complete new installation with the ubuntu 18.04.1 iso and
the touchpad was always working after suspend/resume only the
trackpoints gets lost. Does it make a difference if s3 is available
during installation?
The only modification i had to do was to remove the blacklist of i2c_i801 in
/etc/modprobe.d/blacklist.conf otherwise my touchpad and the trackpoint are
only working
sporadically and dmesg is full of:
...
[ 28.588451] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at
byte 1
[ 28.589633] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at
byte 1
[ 28.590844] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at
byte 1
[ 28.600959] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at
byte 1
[ 28.602151] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at
byte 1
[ 28.602153] psmouse serio1: issuing reconnect request
[ 29.327513] psmouse serio1: synaptics: queried max coordinates: x [..5678],
y [..4758]
[ 29.359677] psmouse serio1: synaptics: queried min coordinates: x [1266..],
y [1094..]
[ 29.812077] psmouse serio2: Failed to reset mouse on synaptics-pt/serio0
[ 35.040078] input: PS/2 Generic Mouse as
/devices/platform/i8042/serio1/serio2/input/input20
[ 35.303431] psmouse serio2: Failed to enable mouse on synaptics-pt/serio0
...
1. remaining issue: tap to click is not working -> fixed by upgrading
libinput
2. remaining issue: my trackpoint sometimes does not survive suspend. After an
subsequent suspend/resume, it is added again and is useable again. In dmesg i
can see that the kernel is adding it:
[ 8292.603632] PM: suspend exit
[ 8292.696364] psmouse serio2: trackpoint: Elan TrackPoint firmware: 0x04,
buttons: 3/3
[ 8292.734688] input: TPPS/2 Elan TrackPoint as
/devices/rmi4-00/rmi4-00.fn03/serio2/input/input19
The full dmesg is appended. I don't use the trackpoint so that is not a real
issue for me.
** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1791427/+attachment/5188006/+files/dmesg
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https://bugs.launchpad.net/bugs/1791427
Title:
Touchpad and/or trackpoint stop working after S3 suspend on Lenovo X1
Carbon 6th
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