kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Niels Holmgaard, the next step is to fully reverse commit bisect from
kernel 3.16 to 3.18-rc6 in order to identify the last bad commit,
followed immediately by the first good one. Once this commit has been
identified, then it may be reviewed as a candidate for backporting into
your release. Could you please do this following
https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F
?  Please note, finding adjacent kernel versions is not fully commit
bisecting.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

** Tags removed: kernel-fixed-upstream-3.18.0-031800rc6
** Tags added: kernel-fixed-upstream-3.18-rc6 needs-reverse-bisect

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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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.

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