Public bug reported:

Hi Everyone.

So my touchpad has stopped working now out of the blue. I have a Lenovo
Yoga 3 Pro 1370, and I installed Ubuntu yesterday.

It was working perfectly, but it has stopped working as soon as I got
into tablet mode.

This laptop has the ability to fold its keyboard, so I did that and turn
the laptop in 90 degrees (which the screen also turned due to the
gyroscope). When we do this, its normal that the cursor disapears so we
can you use only the touchscreen as a tablet, however when I turned back
to a laptop the touchpad hasn't worked ag=0ain.

I have rebooted the system, but still not signs of it.

I have executed "cat /proc/bus/input/devices", but didn't find anything
related to the touchpad, as the result shows below, so I think it's a
kernel issue, right? Any thought how I could fix this?

Thank you!

I: Bus=0019 Vendor=0000 Product=0005 Version=0000
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
U: Uniq=
H: Handlers=event0
B: PROP=0
B: EV=21
B: SW=1

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=PNP0C0C/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
U: Uniq=
H: Handlers=kbd event1
B: PROP=0
B: EV=3
B: KEY=10000000000000 0

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=LNXPWRBN/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
U: Uniq=
H: Handlers=kbd event2
B: PROP=0
B: EV=3
B: KEY=10000000000000 0

I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/devices/platform/i8042/serio0/input/input3
U: Uniq=
H: Handlers=sysrq kbd event3 leds
B: PROP=0
B: EV=120013
B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7

I: Bus=0019 Vendor=0000 Product=0000 Version=0000
N: Name="Ideapad extra buttons"
P: Phys=ideapad/input0
S: Sysfs=/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/input/input6
U: Uniq=
H: Handlers=rfkill kbd event5
B: PROP=0
B: EV=13
B: KEY=81000800100c03 4400000000300000 0 2
B: MSC=10

I: Bus=0018 Vendor=03eb Product=8a10 Version=0100
N: Name="ATML1000:00 03EB:8A10"
P: Phys=i2c-ATML1000:00
S: 
Sysfs=/devices/pci0000:00/INT3433:00/i2c-1/i2c-ATML1000:00/0018:03EB:8A10.0001/input/input8
U: Uniq=
H: Handlers=mouse0 event4
B: PROP=2
B: EV=1b
B: KEY=400 0 0 0 0 0
B: ABS=260800000000003
B: MSC=20

I: Bus=0003 Vendor=5986 Product=0535 Version=3653
N: Name="Lenovo EasyCamera: Lenovo EasyC"
P: Phys=usb-0000:00:14.0-7/button
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/input/input9
U: Uniq=
H: Handlers=kbd event6
B: PROP=0
B: EV=3
B: KEY=100000 0 0 0

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH Mic"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1b.0/sound/card1/input10
U: Uniq=
H: Handlers=event7
B: PROP=0
B: EV=21
B: SW=10

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH Headphone"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1b.0/sound/card1/input11
U: Uniq=
H: Handlers=event8
B: PROP=0
B: EV=21
B: SW=4

I: Bus=0019 Vendor=0000 Product=0006 Version=0000
N: Name="Video Bus"
P: Phys=LNXVIDEO/video/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input12
U: Uniq=
H: Handlers=kbd event9
B: PROP=0
B: EV=3
B: KEY=3e000b00000000 0 0 0

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel HDMI HDMI/DP,pcm=3"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:03.0/sound/card0/input13
U: Uniq=
H: Handlers=event10
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel HDMI HDMI/DP,pcm=7"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:03.0/sound/card0/input14
U: Uniq=
H: Handlers=event11
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel HDMI HDMI/DP,pcm=8"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:03.0/sound/card0/input15
U: Uniq=
H: Handlers=event12
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel HDMI HDMI/DP,pcm=9"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:03.0/sound/card0/input16
U: Uniq=
H: Handlers=event13
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel HDMI HDMI/DP,pcm=10"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:03.0/sound/card0/input17
U: Uniq=
H: Handlers=event14
B: PROP=0
B: EV=21
B: SW=140

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: ubuntu-release-upgrader-core 1:21.04.13
ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17
Uname: Linux 5.11.0-18-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Fri Jun 18 08:09:23 2021
InstallationDate: Installed on 2021-06-18 (0 days ago)
InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=pt_BR:pt:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: No upgrade log present (probably fresh install)





*************udpate*************************

After a full shutdown, the touchpad is working again. However. everytime
I go into "tablet mode" by folding the keyboard, the touchpad continues
to work (and is not disabled as expected).

Is this right? Is expected to stop working after we fold in in linux? In
Windows 10 it did disable it temporarily.

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade hirsute wayland-session

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https://bugs.launchpad.net/bugs/1932528

Title:
  Touchpad stopped working after using as a tablet

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