** Description changed: - TBD + Touchpad on Dell Latitude 3190 may cease to function unexpectedly some + time after logging in GUI. - ProblemType: Bug - DistroRelease: Ubuntu 18.04 - Package: linux-oem 4.15.0.1065.69 - ProcVersionSignature: Ubuntu 4.15.0-1065.75-oem 4.15.18 - Uname: Linux 4.15.0-1065-oem x86_64 - ApportVersion: 2.20.9-0ubuntu7.2 - Architecture: amd64 - Date: Mon Dec 30 01:05:23 2019 - DistributionChannelDescriptor: - # This is the distribution channel descriptor for the OEM CDs - # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor - canonical-oem-somerville-bionic-amd64-20180608-47+bionic-master+X90 - InstallationDate: Installed on 2019-12-20 (9 days ago) - InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38 - ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - LANG=en_US.UTF-8 - SHELL=/bin/bash - SourcePackage: linux-meta-oem - UpgradeStatus: No upgrade log present (probably fresh install) - --- + By some regression tests it's found this was a direct result of commit + f840d7f6870d ("Revert \"pinctrl: intel: Initialize GPIO properly when + used through irqchip\"") that was included in stable kernel v4.14.38 + commit 94c0308279ec and in Ubuntu generic kernel since 4.15.0-24.26 in + bug 1775483. + + [Step to reproduce] + 1. Turn on I2C debug messages "i2c-hid.debug=1 dyndbg='file drivers/i2c/* +pt' log_buf_len=32M" + + 2. Boot into GUI, and start dmesg capturing by `dmesg -w | tee + dmesg.$(uname -r)` + + 3. Move fingers around on the touchpad to generate touch events for 1 + minute. + + [Expected result] + Touch events generated all the time throughout the process. + + [Actual result] + Touch event cease to generate after some arbitrary time and there is no way to recover. + + -- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: gdm 1826 F.... pulseaudio - u 3178 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: gdm 1826 F.... pulseaudio + u 3178 F.... pulseaudio DistributionChannelDescriptor: - # This is the distribution channel descriptor for the OEM CDs - # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor - canonical-oem-somerville-bionic-amd64-20180608-47+bionic-master+X90 + # This is the distribution channel descriptor for the OEM CDs + # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor + canonical-oem-somerville-bionic-amd64-20180608-47+bionic-master+X90 DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2019-12-20 (9 days ago) InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38 IwConfig: - wlp1s0 no wireless extensions. - - lo no wireless extensions. + wlp1s0 no wireless extensions. + + lo no wireless extensions. Lsusb: - Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub - Bus 001 Device 003: ID 8087:0a2b Intel Corp. - Bus 001 Device 002: ID 0bda:5769 Realtek Semiconductor Corp. - Bus 001 Device 004: ID 062a:4c01 Creative Labs - Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub + Bus 001 Device 003: ID 8087:0a2b Intel Corp. + Bus 001 Device 002: ID 0bda:5769 Realtek Semiconductor Corp. + Bus 001 Device 004: ID 062a:4c01 Creative Labs + Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. Latitude 3190 Package: linux-oem 4.15.0.1065.69 PackageArchitecture: amd64 ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + TERM=xterm-256color + PATH=(custom, no user) + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-1065-oem root=UUID=9d70e0cd-a1c3-4d16-94cc-4b9ff1115a9a ro mem_sleep_default=deep quiet splash i2c-hid.debug=1 hid.debug=1 "dyndbg=file drivers/i2c/* +pt" log_buf_len=32M vt.handoff=1 ProcVersionSignature: Ubuntu 4.15.0-1065.75-oem 4.15.18 PulseList: - Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied - No PulseAudio daemon running, or not running as session daemon. + Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied + No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: - linux-restricted-modules-4.15.0-1065-oem N/A - linux-backports-modules-4.15.0-1065-oem N/A - linux-firmware 1.173.10 + linux-restricted-modules-4.15.0-1065-oem N/A + linux-backports-modules-4.15.0-1065-oem N/A + linux-firmware 1.173.10 Tags: bionic Uname: Linux 4.15.0-1065-oem x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: - + _MarkForUpload: True dmi.bios.date: 09/19/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.9.1 dmi.board.vendor: Dell Inc. dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.9.1:bd09/19/2019:svnDellInc.:pnLatitude3190:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct10:cvr: dmi.product.family: Latitude dmi.product.name: Latitude 3190 dmi.sys.vendor: Dell Inc.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857874 Title: Touchpad cease to function To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857874/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs