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[Bug 1088809] Re: Atheros AR9271 not working on 11.10 and 12.04


Thanks for your note.

As I reported earlier, the problem was fixed upstream.
The upstream fix is now in Quantal, so I am using stock
Quantal and everything is good.

Is there anything I can do to help?

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  Atheros AR9271 not working on 11.10 and 12.04

Status in “linux” package in Ubuntu:

Bug description:
  My TP-LINK TL-WN722N USB wireless adapter was working with Ubuntu
  11.04. I upgraded to 11.10 and then to 12.04; the device does not work
  with either of those Ubuntu releases.

  As seen in the attached lsusb, this is an Atheros AR9271 device, with
  vendor code 0CF3 and device code 9271.

  The output of dmesg | grep ath is:

  [   15.018584] usb 3-2: ath9k_htc: Firmware htc_9271.fw requested
  [   15.018617] usbcore: registered new interface driver ath9k_htc
  [   15.809466] usb 3-2: ath9k_htc: Transferred FW: htc_9271.fw, size: 51272
  [   15.818943] usb 3-2: ath9k_htc: Unable to allocate URBs
  [   15.818999] usb 3-2: ath9k_htc: USB layer deinitialized

  So as expected, no wlan device shows up in ifconfig. That also means
  that this obviously is not an rfkill issue (though I did try that
  anyway, just so that I can say that I did).

  I verified (via sha1 and exact file size) that the firmware file
  /lib/firmware/htc_9271.fw is indeed the latest available from
  kernel.org. That firmware file has not changed for quite a while.

  I downloaded the latest available version of compat-drivers, currently
  2012-12-04, and recompiled the relevant kernel modules. Still the same
  behavior, even after reboot.

  I verified in the source code of the ath9k_htc driver that the vendor
  and device code for this device are listed as a supported device.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-34-generic 3.2.0-34.53
  ProcVersionSignature: Ubuntu 3.2.0-34.53-generic 3.2.33
  Uname: Linux 3.2.0-34-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu15
  Architecture: amd64
   /dev/snd/controlC0:  abba       2142 F.... pulseaudio
   Card hw:0 'PCH'/'HDA Intel PCH at 0xfe520000 irq 53'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:10ec0892,80862002,00100302 HDA:80862805,80862805,00100000'
     Controls      : 47
     Simple ctrls  : 21
  Date: Tue Dec 11 10:14:27 2012
  HibernationDevice: RESUME=UUID=9af172f6-8886-46b2-8181-a25bcfe45484
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
   lo        no wireless extensions.
   eth0      no wireless extensions.
  MarkForUpload: True
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-34-generic root=UUID=626be3ad-4ff0-4d46-b545-8c7705b9676e ro quiet splash vt.handoff=7
   linux-restricted-modules-3.2.0-34-generic N/A
   linux-backports-modules-3.2.0-34-generic  N/A
   linux-firmware                            1.79.1
  SourcePackage: linux
  StagingDrivers: mei
  UpgradeStatus: Upgraded to precise on 2012-12-09 (1 days ago)
  dmi.bios.date: 11/15/2010
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: BLH6710H.86A.0076.2010.1115.1959
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: DH67BL
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAG10189-204
  dmi.chassis.type: 3
  dmi.modalias: dmi:bvnIntelCorp.:bvrBLH6710H.86A.0076.2010.1115.1959:bd11/15/2010:svn:pn:pvr:rvnIntelCorporation:rnDH67BL:rvrAAG10189-204:cvn:ct3:cvr:

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