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[guillaume le louet <1383184@xxxxxxxxxxxxxxxxxx>]

Sorry, it says "willy should work" but it doesn't for me .

lspci --n 
03:00.0 Ethernet controller [0200]: Qualcomm Atheros Killer E220x Gigabit Ethernet Controller [1969:e091] (rev 13)
04:00.0 Network controller [0280]: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter [168c:003e] (rev 20)

uname -a
Linux guigolum-GT72-2QE 4.2.0-22-generic #27-Ubuntu SMP Thu Dec 17 22:57:08 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

I have a netgear X4 R7500 802.1 g/n/ac router with two access points
(one ac and one n)

network-manager can SEE all the wifi AP (both n and ac) BUT can only
connect to the n. When I try to connect to ac, it asks me for password,
then after some time request the password again. At this moment I can't
connect to any AP unless I enter sudo network-manager restart .

Basically I am stuck with 802.11n now.I also bought other WIFI USB
dongles with 802.11ac but none were working correctly.

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https://bugs.launchpad.net/bugs/1383184

Title:
  Atheros Qualcomm Killer N1525 Wireless-AC [168c:003e] is not supported

Status in HWE Next:
  Fix Released
Status in HWE Next wily series:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux-firmware package in Ubuntu:
  Fix Released
Status in network-manager package in Ubuntu:
  Invalid
Status in linux source package in Wily:
  Fix Released
Status in linux-firmware source package in Wily:
  Fix Released
Status in network-manager source package in Wily:
  Confirmed

Bug description:
  =========================================================

  CURRENT STATUS:

  Wily(15.10) could not work with and don't need Adam's dkms package 1.0
  or 1.1

  Wily(15.10) has already fixed the driver part, and the firmware part
  is in progress.

  For now, you guys could use 15.10(purge the ath10k-dkms if you tried
  installing it), and make a copy of
  https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-
  firmware.git/plain/ath10k/QCA6174 into /lib/firmware/ath10k/

  15.10 will work in a week by a simple `apt upgrade`

  Distros before 15.10(lower than 4.2 kernel) please keep using the
  dkms(which will be relocated soon)

  =========================================================

  Card detail: Qualcomm Atheros Device [168c:003e] (rev 20)
  Subsystem: Bigfoot Networks, Inc. Device [1a56:1525]

  This is on a fully updated Ubuntu Server 14.04 installation, with the ubuntu-desktop environment installed. This happened in order to get the md raid drivers for raid0 on my system, as the desktop version doesn't support them.
  ---
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  matanis    2333 F.... pulseaudio
   /dev/snd/controlC0:  matanis    2333 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=1b192ee3-f592-43e9-bdcf-08b91c0aa9b6
  InstallationDate: Installed on 2014-10-16 (3 days ago)
  InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3)
  IwConfig:
   p2p1      no wireless extensions.

   lo        no wireless extensions.
  MachineType: Micro-Star International Co., Ltd. GT72 2QE
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic.efi.signed root=UUID=80998dbb-1f89-4eda-be90-25e35e1c0a90 ro
  ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-37-generic N/A
   linux-backports-modules-3.13.0-37-generic  N/A
   linux-firmware                             1.127.7
  RfKill:

  Tags:  trusty
  Uname: Linux 3.13.0-37-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 09/15/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: E1781IMS.10D
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: MS-1781
  dmi.board.vendor: Micro-Star International Co., Ltd.
  dmi.board.version: REV:0.C
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrE1781IMS.10D:bd09/15/2014:svnMicro-StarInternationalCo.,Ltd.:pnGT722QE:pvrREV0.C:rvnMicro-StarInternationalCo.,Ltd.:rnMS-1781:rvrREV0.C:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: GT72 2QE
  dmi.product.version: REV:0.C
  dmi.sys.vendor: Micro-Star International Co., Ltd.

  Qualcomm Atheros Device [168c:003e] (rev 20)

  mainline commit d63955b33b3bee45d784ffdfafeb93076c765660

  [    6.221281] ath10k_pci 0000:02:00.0: pci irq msi interrupts 1 irq_mode 0 reset_mode 0
  [    6.417386] ath10k_pci 0000:02:00.0: Direct firmware load for ath10k/cal-pci-0000:02:00.0.bin failed with error -2
  [    6.417404] ath10k_pci 0000:02:00.0: Direct firmware load for ath10k/QCA6174/hw2.1/board-pci-168c:003e:17aa:3044.bin failed with error -2
  [    6.417407] ath10k_pci 0000:02:00.0: failed to load spec board file, falling back to generic: -2
  [    6.417416] ath10k_pci 0000:02:00.0: Direct firmware load for ath10k/QCA6174/hw2.1/board.bin failed with error -2
  [    6.417418] ath10k_pci 0000:02:00.0: failed to fetch generic board data: -2
  [    6.417420] ath10k_pci 0000:02:00.0: failed to fetch board file: -2
  [    6.417421] ath10k_pci 0000:02:00.0: could not fetch firmware files (-2)
  [    6.417423] ath10k_pci 0000:02:00.0: could not probe fw (-2)

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