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 v4.5 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/v4.5-wily/ ** 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/1562870 Title: atheros wifi ath9k driver hard blocks Status in linux package in Ubuntu: Incomplete Bug description: Same problem as this bug but on 15.10 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173681 Fixed by doing this: http://ubuntuforums.org/showthread.php?t=2181558 system is asus x302UA ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: linux-image-4.2.0-34-generic 4.2.0-34.39 ProcVersionSignature: Ubuntu 4.2.0-34.39-generic 4.2.8-ckt4 Uname: Linux 4.2.0-34-generic x86_64 ApportVersion: 2.19.1-0ubuntu5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: matt 1362 F.... pulseaudio CurrentDesktop: Unity Date: Mon Mar 28 15:33:09 2016 HibernationDevice: RESUME=UUID=753a2477-e5ae-4c2b-b208-e83dc0b8936a InstallationDate: Installed on 2016-03-28 (0 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: ASUSTeK COMPUTER INC. X302UA ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-34-generic root=UUID=c9e70bba-370e-4209-a134-a1a0a5153d4d ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.2.0-34-generic N/A linux-backports-modules-4.2.0-34-generic N/A linux-firmware 1.149.3 SourcePackage: linux StagingDrivers: r8188eu UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/26/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: X302UA.203 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: X302UA 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.:bvrX302UA.203:bd10/26/2015:svnASUSTeKCOMPUTERINC.:pnX302UA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX302UA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: X302UA dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1562870/+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
