I'm having the same issue on my Dell Venue 11 Pro 7140 with Intel® Core™ M-5Y71 CPU. First time I tried Ubuntu 20.04 and the touchpad issue was the some. I tried more OS is like Debian buster, Fedora 32 with no luck. Then I re-installed Ubuntu but I used the latest 20.04.1 and to my surprise everything works. I mean left and right click on the touchpad and the touchscreen also. When I opened the Ubuntu software center the touchpad error reappeared. The touchpad works on login page until I do a login.
I tried to investigate the issue: - I saved my dmesg when everything is working. - I created an lvm snapshot from the / partition and tried to restore it but the touchpad stop working after login... In the syslog I found some fwupd related errors so I tried to follow that clue. Then I found similar issue https://askubuntu.com/questions/1120267/synaptics-touchpad-disabled-after-login-after-recent-18-10-update Masking the service fwupd using systemctl mask fwupd.service command is partly solve the issue. Now, I have a working mouse cursole after login but the left and right click not working. I checked devices with with xinput: csaba@csaba-Venue-11-Pro-7140:~$ xinput --list ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ Synaptics T Pad V 01.31 Mouse id=9 [slave pointer (2)] ⎜ ↳ Synaptics T Pad V 01.31 Touchpad id=10 [slave pointer (2)] ⎜ ↳ SYNA7500:00 06CB:780E id=17 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Video Bus id=6 [slave keyboard (3)] ↳ Power Button id=7 [slave keyboard (3)] ↳ Integrated_Webcam_FHD: Integrat id=8 [slave keyboard (3)] ↳ Synaptics T Pad V 01.31 id=11 [slave keyboard (3)] ↳ Synaptics T Pad V 01.31 Consumer Control id=12 [slave keyboard (3)] ↳ Synaptics T Pad V 01.31 Wireless Radio Control id=13 [slave keyboard (3)] ↳ Integrated_Webcam_8M: Rear Inte id=14 [slave keyboard (3)] ↳ Intel Virtual Button driver id=15 [slave keyboard (3)] ↳ SYNA7500:00 06CB:780E id=16 [slave keyboard (3)] ↳ Dell WMI hotkeys id=18 [slave keyboard (3)] ↳ AT Translated Set 2 keyboard id=19 [slave keyboard (3)] I enabled and disabled these and I find out which is the touchscreen and which the touchpad. Synaptics T Pad V 01.31 Mouse id=9 [slave pointer (2)] <---- Touchpad Synaptics T Pad V 01.31 Touchpad id=10 [slave pointer (2)] SYNA7500:00 06CB:780E id=17 [slave pointer (2)] <---- Touchscreen When I disabled the id 10 the mouse pointer still working with the touchpad and the touchscreen also. ** Attachment added: "working_toucpad.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1877655/+attachment/5432313/+files/working_toucpad.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1877655 Title: [Dell Venue 11 Pro 7140] Trackpad does not work Status in libinput package in Ubuntu: Expired Status in linux package in Ubuntu: Expired Bug description: I have a Dell Venue Pro 7140 with the keyboard/trackpad/extra battery dock. PopOS 20.04 fully updated. I have experienced this bug on stock Ubuntu 20.04 as well as Kubuntu 20.04. When at the login page, the trackpad and keyboard operate as they should. Once the login process is complete and the desktop is displayed, the keyboard still works as expected but the trackpad no longer controls the pointer. The touch display still functions as expected but the trackpad on the keyboard dock doesn't work. The attached document is my device list, here is the evtest: Input driver version is 1.0.1 Input device ID: bus 0x3 vendor 0x6cb product 0x2819 version 0x111 Input device name: "Synaptics T Pad V 01.31 Touchpad" Supported events: Event type 0 (EV_SYN) Event type 1 (EV_KEY) Event code 272 (BTN_LEFT) Event code 325 (BTN_TOOL_FINGER) Event code 330 (BTN_TOUCH) Event code 333 (BTN_TOOL_DOUBLETAP) Event code 334 (BTN_TOOL_TRIPLETAP) Event type 3 (EV_ABS) Event code 0 (ABS_X) Value 483 Min 0 Max 1056 Resolution 12 Event code 1 (ABS_Y) Value 266 Min 0 Max 516 Resolution 12 Event code 47 (ABS_MT_SLOT) Value 0 Min 0 Max 2 Event code 53 (ABS_MT_POSITION_X) Value 0 Min 0 Max 1056 Resolution 12 Event code 54 (ABS_MT_POSITION_Y) Value 0 Min 0 Max 516 Resolution 12 Event code 55 (ABS_MT_TOOL_TYPE) Value 0 Min 0 Max 2 Event code 57 (ABS_MT_TRACKING_ID) Value 0 Min 0 Max 65535 Event type 4 (EV_MSC) Event code 5 (MSC_TIMESTAMP) Properties: Property type 0 (INPUT_PROP_POINTER) Property type 2 (INPUT_PROP_BUTTONPAD) Testing ... (interrupt to exit) I did try to remove xserver-xorg-input-synaptics, but it is not installed on 20.04. There is still an issue with Wayland and the trackpad, but it's different than Xorg so the problem may be in how Xorg is processing the trackpad (I honestly don't know) - in Wayland, it will work until I attempt to run the sofware center. --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 CasperMD5CheckResult: skip CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None DistUpgraded: Fresh install DistroCodename: focal DistroRelease: Pop!_OS 20.04 DistroVariant: ubuntu ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation HD Graphics 5300 [8086:161e] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Dell HD Graphics 5300 [1028:066b] MachineType: Dell Inc. Venue 11 Pro 7140 Package: xorg-server (not installed) ProcKernelCmdLine: initrd=\EFI\Pop_OS-70755969-68c4-4da9-982b-a38628a19db0\initrd.img root=UUID=70755969-68c4-4da9-982b-a38628a19db0 ro quiet loglevel=0 systemd.show_status=false splash ProcVersionSignature: Ubuntu 5.4.0-7626.30~1588169883~20.04~bbe668a-generic 5.4.30 Tags: focal ubuntu ubuntu Uname: Linux 5.4.0-7626-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 09/10/2018 dmi.bios.vendor: Dell Inc. dmi.bios.version: A17 dmi.board.name: 0XMVMH dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA17:bd09/10/2018:svnDellInc.:pnVenue11Pro7140:pvr:rvnDellInc.:rn0XMVMH:rvrA00:cvnDellInc.:ct8:cvr: dmi.product.name: Venue 11 Pro 7140 dmi.product.sku: 066B dmi.sys.vendor: Dell Inc. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-2 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1877655/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
