Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.
** Information type changed from Private Security to Public -- 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/1902737 Title: touchpad not working Status in linux package in Ubuntu: Confirmed Bug description: cat /proc/bus/input/devices 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/PNP0A08:00/device:01/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/PNP0A08:00/device:01/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=ab41 N: Name="AT Translated Set 2 keyboard" P: Phys=isa0060/serio0/input0 S: Sysfs=/devices/platform/i8042/serio0/input/input5 U: Uniq= H: Handlers=sysrq kbd event3 leds B: PROP=0 B: EV=120013 B: KEY=1100f02902000 8380307cf910f001 feffffdfffefffff fffffffffffffffe B: MSC=10 B: LED=7 I: Bus=0019 Vendor=0000 Product=0000 Version=0000 N: Name="Dell WMI hotkeys" P: Phys= S: Sysfs=/devices/platform/PNP0C14:00/wmi_bus/wmi_bus-PNP0C14:00/9DBB5994-A997-11DA-B012-B622A1EF5492/input/input6 U: Uniq= H: Handlers=rfkill kbd event4 B: PROP=0 B: EV=13 B: KEY=800000000000 0 0 1500b00000c00 4000000200300000 0 0 B: MSC=10 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/input7 U: Uniq= H: Handlers=kbd event5 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 PCH Headphone Mic" P: Phys=ALSA S: Sysfs=/devices/pci0000:00/0000:00:1b.0/sound/card0/input8 U: Uniq= H: Handlers=event6 B: PROP=0 B: EV=21 B: SW=4 I: Bus=0003 Vendor=0bda Product=58c2 Version=2828 N: Name="Laptop_Integrated_Webcam_HD: In" P: Phys=usb-0000:00:1d.0-1.8/button S: Sysfs=/devices/pci0000:00/0000:00:1d.0/usb1/1-1/1-1.8/1-1.8:1.0/input/input9 U: Uniq= H: Handlers=kbd event7 B: PROP=0 B: EV=3 B: KEY=100000 0 0 0 I: Bus=0003 Vendor=046d Product=4023 Version=0111 N: Name="Logitech Wireless Keyboard PID:4023" P: Phys=usb-0000:00:1d.0-1.4/input1:1 S: Sysfs=/devices/pci0000:00/0000:00:1d.0/usb1/1-1/1-1.4/1-1.4:1.1/0003:046D:C534.0002/0003:046D:4023.0003/input/input27 U: Uniq=4023-00-00-00-00 H: Handlers=sysrq kbd event8 leds B: PROP=0 B: EV=12001f B: KEY=3f000301ff 0 0 483ffff17aff32d bfd4444600000000 1 130ff38b17c007 ffff7bfad941dfff ffbeffdfffefffff fffffffffffffffe B: REL=1040 B: ABS=100000000 B: MSC=10 B: LED=1f I: Bus=0003 Vendor=046d Product=4054 Version=0111 N: Name="Logitech Wireless Mouse" P: Phys=usb-0000:00:1d.0-1.4/input1:2 S: Sysfs=/devices/pci0000:00/0000:00:1d.0/usb1/1-1/1-1.4/1-1.4:1.1/0003:046D:C534.0002/0003:046D:4054.0004/input/input28 U: Uniq=4054-6f-3f-62-c1 H: Handlers=mouse0 event9 B: PROP=0 B: EV=17 B: KEY=ffff0000 0 0 0 0 B: REL=1943 B: MSC=10 sudo lspci -vnvn.log [sudo] password for priyanka: lspci: invalid option -- '.' Usage: lspci [<switches>] Basic display modes: -mm Produce machine-readable output (single -m for an obsolete format) -t Show bus tree Display options: -v Be verbose (-vv or -vvv for higher verbosity) -k Show kernel drivers handling each device -x Show hex-dump of the standard part of the config space -xxx Show hex-dump of the whole config space (dangerous; root only) -xxxx Show hex-dump of the 4096-byte extended config space (root only) -b Bus-centric view (addresses and IRQ's as seen by the bus) -D Always show domain numbers -P Display bridge path in addition to bus and device number -PP Display bus path in addition to bus and device number Resolving of device ID's to names: -n Show numeric ID's -nn Show both textual and numeric ID's (names & numbers) -q Query the PCI ID database for unknown ID's via DNS -qq As above, but re-query locally cached entries -Q Query the PCI ID database for all ID's via DNS Selection of devices: -s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]] Show only devices in selected slots -d [<vendor>]:[<device>][:<class>] Show only devices with specified ID's Other options: -i <file> Use specified ID database instead of /usr/share/misc/pci.ids.gz -p <file> Look up kernel modules in a given file instead of default modules.pcimap -M Enable `bus mapping' mode (dangerous; root only) PCI access options: -A <method> Use the specified PCI access method (see `-A help' for a list) -O <par>=<val> Set PCI access parameter (see `-O help' for a list) -G Enable PCI access debugging -H <mode> Use direct hardware access (<mode> = 1 or 2) -F <file> Read PCI configuration dump from a given file ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-52-generic 5.4.0-52.57 ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65 Uname: Linux 5.4.0-52-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: priyanka 1420 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Tue Nov 3 20:52:16 2020 InstallationDate: Installed on 2020-09-22 (42 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) MachineType: Dell Inc. Latitude 3540 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-52-generic root=UUID=8edcc0d7-646e-400f-bedd-0fcd39be5153 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.4.0-52-generic N/A linux-backports-modules-5.4.0-52-generic N/A linux-firmware 1.187.3 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/17/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: A06 dmi.board.name: 043T50 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A06 dmi.modalias: dmi:bvnDellInc.:bvrA06:bd04/17/2014:svnDellInc.:pnLatitude3540:pvrA06:rvnDellInc.:rn043T50:rvrA00:cvnDellInc.:ct8:cvrA06: dmi.product.name: Latitude 3540 dmi.product.sku: Latitude 3540 dmi.product.version: A06 dmi.sys.vendor: Dell Inc. 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