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 v4.12 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/v4.12-rc3 ** 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/1694307 Title: Problems with wifi and touchpad Status in linux package in Ubuntu: Incomplete Bug description: I have facing off some problems with Lenovo Ideapad 310 notebook, with Ubuntu 16.04 fresh installation. Wi-fi connection was working perfectly last week. However, in this week, I had some connection problems. I verified and that sometimes the interface of wifi, bluetooth as well as touchpad are recognized by Ubuntu, but often they are not. Someone could help me? Thank in advance. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-78-generic 4.4.0-78.99 ProcVersionSignature: Ubuntu 4.4.0-78.99-generic 4.4.62 Uname: Linux 4.4.0-78-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jessierich 1766 F.... pulseaudio CurrentDesktop: Unity Date: Mon May 29 14:01:52 2017 HibernationDevice: RESUME=UUID=cd8a80e2-ea3b-443e-9f17-7fbf4e94c998 InstallationDate: Installed on 2017-05-29 (0 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) MachineType: LENOVO 80UG ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-78-generic.efi.signed root=UUID=e7b63d8b-9b91-48a4-bbc7-a0d6c7fdada6 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-78-generic N/A linux-backports-modules-4.4.0-78-generic N/A linux-firmware 1.157.2 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/10/2017 dmi.bios.vendor: LENOVO dmi.bios.version: 0XCN39WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: Toronto 4A2 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40679 WIN dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo ideapad 310-14ISK dmi.modalias: dmi:bvnLENOVO:bvr0XCN39WW:bd01/10/2017:svnLENOVO:pn80UG:pvrLenovoideapad310-14ISK:rvnLENOVO:rnToronto4A2:rvrSDK0J40679WIN:cvnLENOVO:ct10:cvrLenovoideapad310-14ISK: dmi.product.name: 80UG dmi.product.version: Lenovo ideapad 310-14ISK dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1694307/+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