kernel-packages team mailing list archive

[Seth Forshee <seth.forshee+lp@xxxxxxxxxxxxx>]

Giovanni: New firmware for your wireless hardware was released recently
to address a number of problems. Please ensure your system is fully up
to date, reboot, and see if there's any improvement in your wireless
connections. Thanks!

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https://bugs.launchpad.net/bugs/1395284

Title:
  Unstable wireless connections with 802.11n and kernel 3.16

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Using kernel 3.16 the wireless connections on 802.11n networks are
  very unstable and they fail after few minutes. Even if the
  NetworkManager says that it is still connected, nothing works and I
  have to manually disconnect and re-connect.

  The problem was not present in in Ubuntu 14.04 and seems to be
  resolved in 3.18-rc5, even if in this case the connections seem to be
  slower (but stable).

  WORKAROUND: Use 802.11g.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-25-generic 3.16.0-25.33
  ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
  Uname: Linux 3.16.0-25-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  giovanni   2688 F.... pulseaudio
   /dev/snd/controlC0:  giovanni   2688 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sat Nov 22 10:37:46 2014
  HibernationDevice: RESUME=UUID=baeb85bd-8e5b-442a-8850-5335ad563c98
  InstallationDate: Installed on 2014-10-06 (46 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: Dell Inc. Inspiron 7537
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic.efi.signed root=UUID=e4cc7fd4-702d-44e9-ac9b-8bd4c776c85c ro quiet splash acpi_osi=Linux vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-25-generic N/A
   linux-backports-modules-3.16.0-25-generic  N/A
   linux-firmware                             1.138
  SourcePackage: linux
  UpgradeStatus: Upgraded to utopic on 2014-10-30 (22 days ago)
  WifiSyslog: Nov 22 10:37:21 inspiron kernel: [  940.511342] mmc0: card d555 removed
  dmi.bios.date: 07/18/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 038M0M
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd07/18/2014:svnDellInc.:pnInspiron7537:pvr:rvnDellInc.:rn038M0M:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Inspiron 7537
  dmi.sys.vendor: Dell Inc.

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