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[Bug 1577800] Re: Frequent disconnects with Intel 8260 wireless NIC


It did indeed fix the problem I was seeing in this bug report.  However,
I started having another less frequent issue shortly after (also
disconnects, but completely different errors).  I was only able to solve
that one by getting the newest firmware (-21.ucode) AND rebuilding the
iwlwifi modules with the latest version of the upstream driver code.
I'm not sure exactly which change in the driver fixed my issue, though.

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  Frequent disconnects with Intel 8260 wireless NIC

Status in linux package in Ubuntu:

Bug description:
  This issue has been resolved upstream and is described in

  The current Ubuntu Xenial Xerus kernel (4.4.0-21.37) is built with a
  version of the iwlwifi driver which supports firmware version up to
  iwlwifi-8000C-19.ucode.  However, the matching linux-firmware package
  ships with the -16.ucode version of the firmware, which contains this

  The next stable version of the firmware after -16.ucode is -21.ucode,
  but is not supported by the version of the iwlwifi driver in the 4.4.0
  kernel.  In order to fix this issue, either the minor version of the
  firmware (-19.ucode) needs to be included in the linux-firmware
  package or the iwlwifi driver in the kernel package needs to be
  upgraded with a backport of the iwlwifi driver new enough to support
  the -21.ucode firmware.

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