@albertpool - it only impacts (as reported) 16.04 LTS WHEN using the 18.04/HWE kernel. To my knowledge there are no reports of it impacting xenial users using 16.04's 4.4 kernel.
-- 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/1854798 Title: Synaptics s3203 touchpad not working after update to kernel 4.15.0-72-generic Status in linux package in Ubuntu: Confirmed Status in linux source package in Bionic: Confirmed Bug description: SRU justification ============= [Impact] Synaptics s3203 touchpad not working after update to kernel 4.15.0-72-generic [Fix] After applied commit "Input: synaptics-rmi4 - avoid processing unknown IRQs", no irq response from touchpad. This commit is depended on commit: "Input: synaptics-rmi4 - convert irq distribution to irq_domain" [Test] Verified on hardware, tests results are good. [Regression Potential] Low. Fix bug that introduced by stable release update. 2nd and 3rd patches are fixes for the 1st patch. These commits are already included by eoan kernel, so bionic 4.15 only. Original reports =========================================================== environment: Dell Laptop XPS-9333 Device: # xinput --list ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ SYNAPTICS Synaptics Large Touch Screen id=9 [slave pointer (2)] ⎜ ↳ Synaptics s3203 id=12 [slave pointer (2)] ⎜ ↳ Ultrathin Touch Mouse id=11 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Dell WMI hotkeys id=13 [slave keyboard (3)] ↳ AT Translated Set 2 keyboard id=14 [slave keyboard (3)] ↳ Integrated_Webcam_HD: Integrate id=10 [slave keyboard (3)] ↳ DELL Wireless hotkeys id=15 [slave keyboard (3)] ↳ Video Bus id=7 [slave keyboard (3)] ↳ Power Button id=8 [slave keyboard (3)] ↳ Power Button id=6 [slave keyboard (3)] # xinput --list-props 12 Device 'Synaptics s3203': Device Enabled (142): 1 Coordinate Transformation Matrix (144): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 Device Accel Profile (270): 1 Device Accel Constant Deceleration (271): 2.500000 Device Accel Adaptive Deceleration (272): 1.000000 Device Accel Velocity Scaling (273): 9.712231 Synaptics Edges (304): 162, 3908, 133, 2339 Synaptics Finger (305): 25, 30, 0 Synaptics Tap Time (306): 180 Synaptics Tap Move (307): 209 Synaptics Tap Durations (308): 180, 180, 100 Synaptics ClickPad (309): 1 Synaptics Middle Button Timeout (310): 0 Synaptics Two-Finger Pressure (311): 282 Synaptics Two-Finger Width (312): 7 Synaptics Scrolling Distance (313): -95, 95 Synaptics Edge Scrolling (314): 0, 0, 0 Synaptics Two-Finger Scrolling (315): 1, 1 Synaptics Move Speed (316): 1.000000, 1.750000, 0.042008, 0.000000 Synaptics Off (317): 0 Synaptics Locked Drags (318): 0 Synaptics Locked Drags Timeout (319): 5000 Synaptics Tap Action (320): 0, 0, 0, 0, 1, 3, 2 Synaptics Click Action (321): 1, 3, 2 Synaptics Circular Scrolling (322): 0 Synaptics Circular Scrolling Distance (323): 0.100000 Synaptics Circular Scrolling Trigger (324): 0 Synaptics Circular Pad (325): 0 Synaptics Palm Detection (326): 1 Synaptics Palm Dimensions (327): 10, 200 Synaptics Coasting Speed (328): 20.000000, 50.000000 Synaptics Pressure Motion (329): 30, 160 Synaptics Pressure Motion Factor (330): 1.000000, 1.000000 Synaptics Resolution Detect (331): 1 Synaptics Grab Event Device (332): 0 Synaptics Gestures (333): 1 Synaptics Capabilities (334): 1, 0, 0, 1, 1, 1, 0 Synaptics Pad Resolution (335): 42, 42 Synaptics Area (336): 0, 0, 0, 0 Synaptics Soft Button Areas (337): 0, 0, 0, 0, 0, 0, 0, 0 Synaptics Noise Cancellation (338): 23, 23 Device Product ID (262): 1739, 10036 Device Node (263): "/dev/input/event5" # lspci 00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 09) 00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 09) 00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04) 00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04) 00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 1 (rev e4) 00:1c.2 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4) 00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04) 02:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b) # lsusb Bus 001 Device 002: ID 8087:8000 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 004: ID 8087:07dc Intel Corp. Bus 002 Device 003: ID 1bcf:28ac Sunplus Innovation Technology Inc. Bus 002 Device 002: ID 06cb:0af8 Synaptics, Inc. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub # lsmod |grep -i i2 i2c_i801 28672 0 i2c_algo_bit 16384 1 i915 i2c_hid 24576 0 hid 110592 6 i2c_hid,hidp,usbhid,hid_multitouch,hid_generic,hid_rmi # dmesg |grep -i synaptics [ 1.977141] usb 2-3: Product: Synaptics Large Touch Screen [ 1.977142] usb 2-3: Manufacturer: SYNAPTICS [ 2.111242] rmi4_f01 rmi4-00.fn01: found RMI device, manufacturer: Synaptics, product: s3203, fw id: 1522295 [ 2.175237] input: Synaptics s3203 as /devices/pci0000:00/INT33C3:00/i2c-0/i2c-DLL060A:00/0018:06CB:2734.0001/input/input6 [ 6.196305] input: SYNAPTICS Synaptics Large Touch Screen as /devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3:1.0/0003:06CB:0AF8.0002/input/input17 [ 6.198967] hid-multitouch 0003:06CB:0AF8.0002: input,hiddev0,hidraw1: USB HID v1.11 Mouse [SYNAPTICS Synaptics Large Touch Screen] on usb-0000:00:14.0-3/input0 troubleshooting so far: 1. comment or uncomment /etc/modprobe.d/blacklist.conf blacklist i2c_i801 2. remove xserver-xorg-input-synaptics and install xserver-xorg-input-libinput, and revert back no result revert back to kernel 4.15.0-70-generic, touchpad is working ref: https://wiki.ubuntu.com/DebuggingTouchpadDetection#generalinfo https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1791921 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-72-generic 4.15.0-72.81 ProcVersionSignature: Ubuntu 4.15.0-72.81-generic 4.15.18 Uname: Linux 4.15.0-72-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.9 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: lewi 3043 F.... pulseaudio /dev/snd/controlC0: lewi 3043 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Mon Dec 2 22:30:56 2019 HibernationDevice: RESUME=UUID=006d5f4b-a2fe-4980-a4b6-108756431036 InstallationDate: Installed on 2014-05-10 (2031 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Dell Inc. XPS13 9333 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-72-generic root=UUID=5bd21a0f-7d69-4ad6-ac73-ad16cc86eb4a ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-72-generic N/A linux-backports-modules-4.15.0-72-generic N/A linux-firmware 1.173.12 SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2018-08-12 (476 days ago) dmi.bios.date: 08/31/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A08 dmi.board.name: 0GFTRT dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnDellInc.:bvrA08:bd08/31/2015:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.family: Shark Bay System dmi.product.name: XPS13 9333 dmi.sys.vendor: Dell Inc. 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