Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.2 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/v4.2-rc3-unstable/ ** 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/1477139 Title: [Lenovo x220] Wifi keeps dropping with Intel Centrino Wireless-N 1000 [Condor Peak] Status in linux package in Ubuntu: Incomplete Bug description: Once or twice a day (usually after periods of inactivity) my wireless connection drops with: wlan0: deauthenticated from 00:8a:ae:da:4f:68 (Reason: 7=CLASS3_FRAME_FROM_NONASSOC_STA) I am stationary in comparison to the access point. This seems similar in nature to bug # 1396338, but obviously I'm still experiencing it. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-22-generic 3.19.0-22.22 ProcVersionSignature: Ubuntu 3.19.0-22.22-generic 3.19.8-ckt1 Uname: Linux 3.19.0-22-generic i686 ApportVersion: 2.17.2-0ubuntu1.1 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mthaddon 2806 F.... pulseaudio CurrentDesktop: Unity Date: Wed Jul 22 13:58:54 2015 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=17b37d47-31ac-4a51-af71-4f3661ab426b InstallationDate: Installed on 2011-10-04 (1387 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.2) MachineType: LENOVO 4287CTO ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-22-generic root=UUID=0021680f-1924-4d38-986d-52d44d79c9fd ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.19.0-22-generic N/A linux-backports-modules-3.19.0-22-generic N/A linux-firmware 1.143.1 SourcePackage: linux UpgradeStatus: Upgraded to vivid on 2015-04-15 (98 days ago) dmi.bios.date: 07/07/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 8DET50WW (1.20 ) dmi.board.asset.tag: Not Available dmi.board.name: 4287CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr8DET50WW(1.20):bd07/07/2011:svnLENOVO:pn4287CTO:pvrThinkPadX220:rvnLENOVO:rn4287CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 4287CTO dmi.product.version: ThinkPad X220 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1477139/+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
