Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.4 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4-wily ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Opinion ** Changed in: linux (Ubuntu) Status: Opinion => Incomplete -- 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/1535482 Title: Touchpad, Touchscreen not recognized Status in linux package in Ubuntu: Incomplete Bug description: Just installed Trusty (14.04.03 LTS) as a dual-boot on my new Asus Zenbook UX305C. Touchpad and touchscreen do not work, and are not recognized by Ubuntu. The touchpad and touchscreen are not listed in /proc/bus/input/devices. Logs have been attached. Additional information: lsb_release -rd : Description: Ubuntu 14.04.3 LTS Release: 14.04 uname -r 3.19.0-43-generic --- ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0c: mrk 1900 F...m pulseaudio /dev/snd/controlC0: mrk 1900 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=adf6aff2-38fb-4b82-8466-05f47417aeb7 InstallationDate: Installed on 2016-01-18 (0 days ago) InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 8087:0a2a Intel Corp. Bus 001 Device 003: ID 0bda:57cb Realtek Semiconductor Corp. Bus 001 Device 002: ID 17ef:600e Lenovo Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: ASUSTeK COMPUTER INC. UX305CA Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-43-generic.efi.signed root=UUID=66f2fab5-3664-471d-8b14-ec8768e290be ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.19.0-43.49~14.04.1-generic 3.19.8-ckt10 RelatedPackageVersions: linux-restricted-modules-3.19.0-43-generic N/A linux-backports-modules-3.19.0-43-generic N/A linux-firmware 1.127.19 Tags: trusty Uname: Linux 3.19.0-43-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/11/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX305CA.201 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX305CA dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: ATN12345678901234567 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX305CA.201:bd09/11/2015:svnASUSTeKCOMPUTERINC.:pnUX305CA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX305CA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: UX305CA dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. --- ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0c: mrk 1900 F...m pulseaudio /dev/snd/controlC0: mrk 1900 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=adf6aff2-38fb-4b82-8466-05f47417aeb7 InstallationDate: Installed on 2016-01-18 (0 days ago) InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 8087:0a2a Intel Corp. Bus 001 Device 003: ID 0bda:57cb Realtek Semiconductor Corp. Bus 001 Device 002: ID 17ef:600e Lenovo Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: ASUSTeK COMPUTER INC. UX305CA Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-43-generic.efi.signed root=UUID=66f2fab5-3664-471d-8b14-ec8768e290be ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.19.0-43.49~14.04.1-generic 3.19.8-ckt10 RelatedPackageVersions: linux-restricted-modules-3.19.0-43-generic N/A linux-backports-modules-3.19.0-43-generic N/A linux-firmware 1.127.19 Tags: trusty Uname: Linux 3.19.0-43-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/11/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX305CA.201 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX305CA dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: ATN12345678901234567 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX305CA.201:bd09/11/2015:svnASUSTeKCOMPUTERINC.:pnUX305CA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX305CA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: UX305CA dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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