As requested: martyn@martyn-Latitude-E7440:~$ usb-devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 9 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=04.03 S: Manufacturer=Linux 4.3.0-040300-generic xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:00:14.0 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=01 Lev=01 Prnt=01 Port=03 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0c45 ProdID=64d2 Rev=35.06 S: Manufacturer=CN07YYTT7248739GA3Z2A00 S: Product=Laptop_Integrated_Webcam_HD C: #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=uvcvideo I: If#= 1 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=00 Driver=uvcvideo T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=5000 MxCh= 4 D: Ver= 3.00 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1 P: Vendor=1d6b ProdID=0003 Rev=04.03 S: Manufacturer=Linux 4.3.0-040300-generic xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:00:14.0 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 2 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=04.03 S: Manufacturer=Linux 4.3.0-040300-generic ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:00:1d.0 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 8 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=8087 ProdID=8000 Rev=00.04 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=03 Lev=02 Prnt=02 Port=04 Cnt=01 Dev#= 4 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=0a5c ProdID=5801 Rev=01.01 S: Manufacturer=Broadcom Corp S: Product=5880 S: SerialNumber=0123456789ABCD C: #Ifs= 4 Cfg#= 0 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=fe(app. ) Sub=00 Prot=00 Driver=(none) I: If#= 1 Alt= 0 #EPs= 3 Cls=0b(scard) Sub=00 Prot=00 Driver=(none) I: If#= 2 Alt= 0 #EPs= 3 Cls=0b(scard) Sub=00 Prot=00 Driver=(none) I: If#= 3 Alt= 0 #EPs= 1 Cls=fe(app. ) Sub=00 Prot=00 Driver=(none) martyn@martyn-Latitude-E7440:~$ Martyn -- 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/1513914 Title: Dell E7440 touchpad jumps position Status in linux package in Ubuntu: Incomplete Bug description: Ubuntu 15.10 - Dell E7440 touchpad works correctly when freshly started each time; but after some time running the mouse pointer starts to randomly jumps position when I try to use the touchpad. If I shut down Ubuntu and re-start after about 10 seconds, the problem is temporarily resolved. Both the USB Mouse and keyboard blue joy-button continue to work correctly while having "jumpy touchpad problem. Running Ubuntu 15.10 installed version (updated from 15.04 new installation) I have previously seen the same same problem with Ubuntu 14.04 and 15.04, both live CD and installed versions. I am new to Linux & forums, so please excuse my lack of knowledge. ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: linux-image-4.2.0-16-generic 4.2.0-16.19 ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3 Uname: Linux 4.2.0-16-generic x86_64 ApportVersion: 2.19.1-0ubuntu4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: martyn 1217 F.... pulseaudio /dev/snd/controlC0: martyn 1217 F.... pulseaudio CurrentDesktop: Unity Date: Fri Nov 6 17:33:42 2015 HibernationDevice: RESUME=UUID=d0cf60ae-c48f-4267-bb58-af4193cc2e5c InstallationDate: Installed on 2015-09-23 (44 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) MachineType: Dell Inc. Latitude E7440 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-16-generic root=UUID=42d901b2-6e43-4fbf-a79f-c6329d47548a ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.2.0-16-generic N/A linux-backports-modules-4.2.0-16-generic N/A linux-firmware 1.149.1 SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: Upgraded to wily on 2015-10-22 (14 days ago) dmi.bios.date: 02/02/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A14 dmi.board.name: 03M26R dmi.board.vendor: Dell Inc. dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA14:bd02/02/2015:svnDellInc.:pnLatitudeE7440:pvr01:rvnDellInc.:rn03M26R:rvr:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E7440 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. 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