David, could you please post the results of the following terminal command: usb-devices
** Changed in: xorg (Ubuntu) Status: Triaged => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1532500 Title: Trackpad doesn't work after login Status in xorg package in Ubuntu: Incomplete Bug description: On a Samsung Ativ Book 9 Pro laptop, Ubuntu 15.10 Prior to login, the trackpad moves the cursor. After login, the trackpad does not move the cursor. The touchscreen works as expected for clicking and region-selecting. I expected the trackpad and the touchscreen to work simultaneously. An external USB mouse works normally before and after login. ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: xorg 1:7.7+7ubuntu4 ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6 Uname: Linux 4.2.0-23-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.19.1-0ubuntu5 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Sat Jan 9 18:41:06 2016 DistUpgraded: Fresh install DistroCodename: wily DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Intel Corporation Device [8086:191b] (rev 06) (prog-if 00 [VGA controller]) Subsystem: Samsung Electronics Co Ltd Device [144d:c12b] Subsystem: Samsung Electronics Co Ltd Device [144d:c12b] InstallationDate: Installed on 2015-12-22 (18 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: SAMSUNG ELECTRONICS CO., LTD. 940Z5L ProcEnviron: LANGUAGE=en_US TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-23-generic.efi.signed root=UUID=24c27814-5135-4a80-9ce1-b932e2513949 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/20/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P04AFC.084.151020.SH dmi.board.asset.tag: No Asset Tag dmi.board.name: NP940Z5L-X01US dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: SGL8554A1H-C01-G001-S0001+10.0.10240 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP04AFC.084.151020.SH:bd10/20/2015:svnSAMSUNGELECTRONICSCO.,LTD.:pn940Z5L:pvrP04AFC:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP940Z5L-X01US:rvrSGL8554A1H-C01-G001-S0001+10.0.10240:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A: dmi.product.name: 940Z5L dmi.product.version: P04AFC dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. version.compiz: compiz 1:0.9.12.2+15.10.20151015-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.64-1 version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4 version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9.1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu4 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3 xserver.bootTime: Sat Jan 9 18:08:08 2016 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 16714 vendor SDC xserver.version: 2:1.17.2-1ubuntu9.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1532500/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp