Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.7 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/v4.7-rc4-yakkety/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => 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/1593925 Title: Touchpad not working Status in linux package in Ubuntu: Incomplete Bug description: Model: Inspiron 5547 Manufacturer After the engineer replaced the touchpad, it works in windows and even in system diagnostics but not in ubuntu( either installed or from pendrive). In cat /proc/bus/input/devices, it lists the touchpad, but does not recognize it. --- AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-86-generic. ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 1: PCH [HDA Intel PCH], device 0: ALC255 Analog [ALC255 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: vinayak 2515 F.... pulseaudio /dev/snd/controlC0: vinayak 2515 F.... pulseaudio Card0.Amixer.info: Card hw:0 'HDMI'/'HDA Intel HDMI at 0xb0c10000 irq 65' Mixer name : 'Intel Haswell HDMI' Components : 'HDA:80862807,80860101,00100000' Controls : 21 Simple ctrls : 3 Card1.Amixer.info: Card hw:1 'PCH'/'HDA Intel PCH at 0xb0c14000 irq 64' Mixer name : 'Realtek ALC255' Components : 'HDA:10ec0255,10280640,00100002' Controls : 26 Simple ctrls : 13 CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=73b74eee-ea02-4c2c-9399-6bd39e5cf443 InstallationDate: Installed on 2014-12-29 (536 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: Dell Inc. Inspiron 5547 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-86-generic.efi.signed root=UUID=764e0ebb-bfce-456b-bc43-f0d6f9750bf2 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-86.131-generic 3.13.11-ckt39 RelatedPackageVersions: linux-restricted-modules-3.13.0-86-generic N/A linux-backports-modules-3.13.0-86-generic N/A linux-firmware 1.127.22 StagingDrivers: rts5139 Tags: trusty staging Uname: Linux 3.13.0-86-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm audio cdrom dip docker fuse lpadmin plugdev pulse pulse-access sambashare sudo video _MarkForUpload: True dmi.bios.date: 01/23/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A07 dmi.board.name: 0CHTC2 dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A07 dmi.modalias: dmi:bvnDellInc.:bvrA07:bd01/23/2015:svnDellInc.:pnInspiron5547:pvrA07:rvnDellInc.:rn0CHTC2:rvr:cvnDellInc.:ct8:cvrA07: dmi.product.name: Inspiron 5547 dmi.product.version: A07 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1593925/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp