Public bug reported:
Day before yesterday, I updated Ubuntu in my laptop, then the next
morning when I try to use touch-pad it wasn't working, I switched to
windows to see whether touch-pad was working or not, it was working
fine. Here's the details
$ xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech USB Receiver id=11 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=17 [slave pointer (2)]
⎜ ↳ Synaptics TM3252-001 id=13 [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)]
↳ Power Button id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ Logitech USB Receiver id=10 [slave keyboard (3)]
↳ Integrated_Webcam_HD: Integrate id=12 [slave keyboard (3)]
↳ Intel HID events id=14 [slave keyboard (3)]
↳ Dell WMI hotkeys id=15 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=16 [slave keyboard (3)]
↳ Logitech USB Receiver id=18 [slave keyboard (3)]
$ dmesg | grep i2c
[ 0.766631] i2c /dev entries driver
[ 2.419114] psmouse serio1: synaptics: Your touchpad (PNP: SYN0609 PNP0f13)
says it can support a different bus. If i2c-hid and hid-rmi are not used, you
might want to try setting psmouse.synaptics_intertouch to 1 and report this to
linux-in...@vger.kernel.org.
[ 34.129216] i2c_hid i2c-DELL0792:00: i2c-DELL0792:00 supply vdd not found,
using dummy regulator
[ 34.837858] input: Synaptics TM3252-001 as
/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-0/i2c-DELL0792:00/0018:06CB:7F09.0003/input/input13
[ 34.837945] hid-rmi 0018:06CB:7F09.0003: input,hidraw2: I2C HID v1.00 Mouse
[DELL0792:00 06CB:7F09] on i2c-DELL0792:00
$ locate i2c-designware
/lib/modules/4.15.0-70-generic/kernel/drivers/i2c/busses/i2c-designware-pci.ko
/lib/modules/4.15.0-72-generic/kernel/drivers/i2c/busses/i2c-designware-pci.ko
/usr/src/linux-headers-4.15.0-70/include/linux/platform_data/i2c-designware.h
/usr/src/linux-headers-4.15.0-72/include/linux/platform_data/i2c-designware.h
$ uname -a
Linux ubuntu-vostro-14-3468 4.15.0-72-generic #81-Ubuntu SMP Tue Nov 26
12:20:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
$ lsb_release -crid
Distributor ID: Ubuntu
Description: Ubuntu 18.04.3 LTS
Release: 18.04
Codename: bionic
** Affects: unattended-upgrades (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1855445
Title:
Touchpad is not working
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