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[Roman <1523565@xxxxxxxxxxxxxxxxxx>]

As you can see in your dmesg, ath10k is looking for a firmware for your
device (QCA9377/hw1.0/):

[   18.419484] ath10k_pci 0000:03:00.0: Direct firmware load for ath10k/cal-pci-0000:03:00.0.bin failed with error -2
[   18.419501] ath10k_pci 0000:03:00.0: Direct firmware load for ath10k/QCA9377/hw1.0/firmware-5.bin failed with error -2
[   18.419504] ath10k_pci 0000:03:00.0: could not fetch firmware file 'ath10k/QCA9377/hw1.0/firmware-5.bin': -2
[   18.419511] ath10k_pci 0000:03:00.0: Direct firmware load for ath10k/QCA9377/hw1.0/firmware-4.bin failed with error -2
[   18.419512] ath10k_pci 0000:03:00.0: could not fetch firmware file 'ath10k/QCA9377/hw1.0/firmware-4.bin': -2
[   18.419518] ath10k_pci 0000:03:00.0: Direct firmware load for ath10k/QCA9377/hw1.0/firmware-3.bin failed with error -2
[   18.419520] ath10k_pci 0000:03:00.0: could not fetch firmware file 'ath10k/QCA9377/hw1.0/firmware-3.bin': -2
[   18.419526] ath10k_pci 0000:03:00.0: Direct firmware load for ath10k/QCA9377/hw1.0/firmware-2.bin failed with error -2
[   18.419528] ath10k_pci 0000:03:00.0: could not fetch firmware file 'ath10k/QCA9377/hw1.0/firmware-2.bin': -2
[   18.419534] ath10k_pci 0000:03:00.0: Direct firmware load for ath10k/QCA9377/hw1.0/firmware.bin failed with error -2
[   18.419536] ath10k_pci 0000:03:00.0: could not fetch firmware (-2)
[   18.419538] ath10k_pci 0000:03:00.0: could not fetch firmware files (-2)
[   18.419540] ath10k_pci 0000:03:00.0: could not probe fw (-2)

This firmware is not part of the offical linux-firmware.git so this is
the reason why it doesn't work out of the box.

But, here are the good news. There is already a firmware for your device
in the ath10k-firmware.git (https://github.com/kvalo/ath10k-firmware).
You may test this firmware by copying the related subfolder
(QCA9377/hw1.0/) to /lib/firmware/ath10k with root permission.

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https://bugs.launchpad.net/bugs/1523565

Title:
  Qualcomm atheros network controller [168c:0042] (rev 30) does not work

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I installed the latest ath10k kernels, which changed the status of the
  hardware from unclaimed to claimed, but it still does not seem to be
  recognized as a wireless device

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-19-generic 4.2.0-19.23
  ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
  Uname: Linux 4.2.0-19-generic x86_64
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1: (removed for privacy)      1358 F.... pulseaudio
   /dev/snd/controlC0: (removed for privacy)      1358 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Dec  7 21:22:43 2015
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=ec603e54-8e2b-40c2-9bd4-559d5e329d2c
  InstallationDate: Installed on 2015-12-07 (0 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  IwConfig:
   enp2s0    no wireless extensions.

   lo        no wireless extensions.
  MachineType: Acer Aspire E5-573
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-19-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-19-generic N/A
   linux-backports-modules-4.2.0-19-generic  N/A
   linux-firmware                            1.149
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/27/2015
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.15
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: ZORO_BH
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - A01 Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.15:bd05/27/2015:svnAcer:pnAspireE5-573:pvrV3.72:rvnAcer:rnZORO_BH:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.name: Aspire E5-573
  dmi.product.version: V3.72
  dmi.sys.vendor: Acer

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