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[Bug 1102999] Re: wifi stops working intermittently


Cory Coager, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available (not the daily folder, but the one at the top) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. 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:

where VERSION-NUMBER is the version number of the kernel you tested. For example:

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:

If the mainline kernel does not fix this bug, please add the following tags:

As well, please remove the tag:

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

** This bug is no longer a duplicate of bug 1099487
   iwlwifi: Microcode SW error detected.  Restarting 0x2000000

** Tags added: precise

** Package changed: ubuntu => linux (Ubuntu)

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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

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  wifi stops working intermittently

Status in “linux” package in Ubuntu:

Bug description:
  My wifi stops working intermittently but it seems to happen as often
  as every day.  When it happens, I notice some spam in dmesg.  I notice
  that I am still connected to the wireless access point but no data
  seems to pass through.  I cannot ping or resolve DNS.  I make sure
  power management is off on the wifi device.

  This is for Ubuntu 12.04, 3.2.0-36-generic kernel, all packages up-to-
  date as of 1/22/2013.  This hardware is a Dell XPS L702X with an Intel
  Corporation Centrino Advanced-N 6230 wifi device.

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