*** This bug is a duplicate of bug 1854798 ***
https://bugs.launchpad.net/bugs/1854798
** This bug has been marked a duplicate of bug 1854798
Synaptics s3203 touchpad not working after update to kernel 4.15.0-72-generic
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https://bugs.launchpad.net/bugs/1856089
Title:
input: regression in linux-4.15.0-72: thinkpad trackpad no longer
works
Status in linux package in Ubuntu:
New
Bug description:
Regression is confirmed by reverting to linux-4.15.0.70
Normal behavior:
[...]
/var/log/kern.log.4.gz:Nov 13 09:47:09 willow kernel: [ 2.457475] psmouse
serio1: synaptics: Trying to set up SMBus access
/var/log/kern.log.4.gz:Nov 13 09:47:09 willow kernel: [ 14.953208] psmouse
serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
/var/log/kern.log.4.gz:Nov 13 09:47:09 willow kernel: [ 15.011940] input:
TPPS/2 IBM TrackPoint as /devices/rmi4-00/rmi4-00.fn03/serio2/input/input15
[...]
Regression:
[...]
/var/log/kern.log.1:Dec 6 09:26:48 willow kernel: [ 2.463269] psmouse
serio1: synaptics: Trying to set up SMBus access
/var/log/kern.log.1:Dec 6 09:26:48 willow kernel: [ 13.804121] psmouse
serio2: Failed to reset mouse on synaptics-rmi4-pt/serio1
/var/log/kern.log.1:Dec 6 09:26:52 willow kernel: [ 18.512217] input: PS/2
Generic Mouse as /devices/rmi4-00/rmi4-00.fn03/serio2/input/input19
/var/log/kern.log.1:Dec 6 09:26:53 willow kernel: [ 18.716157] psmouse
serio2: Failed to enable mouse on synaptics-rmi4-pt/serio1
[...]
Hardward is Thinkpad T550. I ran `ubuntu-bug linux` as instructed in
https://wiki.ubuntu.com/Kernel/Bugs but it didn't ask for any bug
description and I could not locate where that info may have gone to on
this site.
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