Thanks. I would still like to point out that the list http://people.canonical.com/~kernel/info/kernel-version-map.html is not up to date regarding kernel version 3.16-ubuntu, and that updating it could have saved some compilation hours in this case.
However, Vanilla 3.15 fails with the same error in dmesg, so the error is fixed in the upstream kernel between 3.15 and 3.16, and this commit did not make it into the ubuntu version 3.16. I have now begun reverse commit bisecting between upstream kernels 3.15 and 3.16, but this will take some time to finish - each kernel build takes about an hour, and must be run at least a few hours to be certain if it is good or bad, so best case will be about a month from now. I hope that this information can help someone - otherwise, for now just upgrade to upstream version 3.16 or later, and you should be good. -- 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/1396338 Title: [Dell Latitude E7440] Wifi keeps dropping with Intel Wireless 7260 Status in linux package in Ubuntu: Incomplete Bug description: After the connection is dropped, a hardware switch disconnect/connect is necessary to re-establish connection, the connection does not automatically reappear. The problematic line in the dmesg output is: wlan0: deauthenticated from 00:16:b6:01:69:74 (Reason: 7=CLASS3_FRAME_FROM_NONASSOC_STA) The frequency of the problem drops considerably moving to a less congested channel, but it still happens - I am stationary at about 3 meters from the access point. Other devices (Android phones, iPad, other laptops) are connecting to the same access point with no problems at all. Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev 73) Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [8086:4470] ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.16.0-24-generic 3.16.0-24.32 ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4 Uname: Linux 3.16.0-24-generic x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: niels 2502 F.... pulseaudio /dev/snd/controlC1: niels 2502 F.... pulseaudio CurrentDesktop: Unity Date: Tue Nov 25 21:24:21 2014 HibernationDevice: RESUME=UUID=fe0b3838-4f25-4296-a7c7-872862359ccf InstallationDate: Installed on 2014-10-16 (40 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: Dell Inc. Latitude E7440 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-generic root=UUID=28b33773-57cd-4cb6-bd65-1c2acadbd079 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.16.0-24-generic N/A linux-backports-modules-3.16.0-24-generic N/A linux-firmware 1.138 SourcePackage: linux UpgradeStatus: Upgraded to utopic on 2014-10-25 (31 days ago) dmi.bios.date: 06/26/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: A10 dmi.board.name: 03HFCG dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA10:bd06/26/2014:svnDellInc.:pnLatitudeE7440:pvr01:rvnDellInc.:rn03HFCG:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E7440 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1396338/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

