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[Bug 1103755] Re: 8086:4238 wireless fails to send/receive data intermittently

 

Craig Magina, could you please test the latest upstream kernel available following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Please do not test the daily folder, but the one all the way at the bottom. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.11-rc3

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

If you are unable to test the mainline kernel, please comment as to why specifically you were unable to test it and add the following tags:
kernel-unable-to-test-upstream
kernel-unable-to-test-upstream-VERSION-NUMBER

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

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

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https://bugs.launchpad.net/bugs/1103755

Title:
  8086:4238 wireless fails to send/receive data intermittently

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  This did not occur with 12.10, but I am unsure of when during the
  raring release it started happening. The system appears to be
  connected, but no data gets through and you can find a series of these
  messages in dmesg.

  [17181.443299] iwlwifi 0000:03:00.0: fail to flush all tx fifo queues

  To workaround this issue currently, I use the RF kill switch to reset
  the wireless chip. My laptop is a Lenovo T410s with the Intel
  Corporation Centrino Ultimate-N 6300 (rev 35) wireless chipset.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-1-generic 3.8.0-1.5
  ProcVersionSignature: Ubuntu 3.8.0-1.5-generic 3.8.0-rc4
  Uname: Linux 3.8.0-1-generic x86_64
  ApportVersion: 2.8-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  valdiyen   2444 F.... pulseaudio
  Date: Wed Jan 23 18:09:12 2013
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=1ee4cce6-4d3b-4a84-9c02-e2f87b975ed5
  InstallationDate: Installed on 2013-01-21 (2 days ago)
  InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130121)
  MachineType: LENOVO 2901CTO
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-1-generic root=/dev/mapper/kubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-1-generic N/A
   linux-backports-modules-3.8.0-1-generic  N/A
   linux-firmware                           1.99
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/25/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6UET69WW (1.49 )
  dmi.board.name: 2901CTO
  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:bvr6UET69WW(1.49):bd04/25/2012:svnLENOVO:pn2901CTO:pvrThinkPadT410s:rvnLENOVO:rn2901CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2901CTO
  dmi.product.version: ThinkPad T410s
  dmi.sys.vendor: LENOVO

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