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[JaSauders <1261668@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1265436 ***
    https://bugs.launchpad.net/bugs/1265436

This wireless card is extremely problematic on any operating system.
Users from Windows 7, 8, 8.1, BSD, Arch, Gentoo, Ubuntu have all
reported the exact same issue. A quick Google search of this card
reveals a world of complaints that makes me truly question why companies
are *still* shipping it... System76, Dell, Lenovo, WHY ship a
problematic card?

I called Intel about my frequent disconnects on my XPS 13 Ubuntu Dev
Edition, and Intel confirmed it is a known problem and they are working
for a fix. (though they've been working on a fix since this chip came
out a year ago with no substantial headway yet, so...). Given the length
of time this chip has been out with no actual fix, I'm likely going to
be stuck with swapping out my XPS with a non-7260 unit as per Dell, as
Dell has no other M.2 form factor wireless cards to swap with, so that's
all they could offer.

I have tried Intel's latest firmware at the time of this post and can
confirm it yielded no difference in results. I still disconnect at
random across the 5 wireless networks I tested with different encryption
levels. Sometimes it's once every 3 days (no big deal), other times a
dozen times in 20 minutes (major deal breaker). It's wildly sporadic.

There was a lengthy bug report that was just split off to a new report
to centralize around these issues. Perhaps you can read it over and see
if this applies to you.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1349572

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https://bugs.launchpad.net/bugs/1261668

Title:
  Intel 7260 firmware causes crashes, needs updating

Status in System76:
  New
Status in “linux-firmware” package in Ubuntu:
  Triaged

Bug description:
  The firmware we currently ship for the intel 7260 wireless card is
  buggy, and causing frequent crashes.

  See http://www.spinics.net/lists/linux-wireless/msg114861.html

  There is updated firmware available, see http://marc.info/?l=linux-
  wireless&m=138718659005765&w=2

  We should get this updated, as this is becoming a very popular
  wireless card (System76 are shipping it in their systems) and it's a
  pain having to reboot every time it crashes...

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