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[Bug 1173681] Re: 168c:002b AR9285 ath9k not working after updating to ubuntu 13.04 Raring (linux 3.8.0-19-generic)


Not promoting the "WORKAROUND" here, but as long as people coming to this page have to resort to it, I've re-written it in a cleaner and more comprehensive manner in this thread : http://ubuntuforums.org/showthread.php?t=2181558
(also includes how to quickly & completely revert back)

Post #1 in it contains the symptoms, verification, and the workaround,
and post #2 contains a workaround for the Fn+F2 key disability.

Also, this workaround is LIMITED to *ASUS* Notebooks/Netbooks ONLY.

I myself have an Asus X54C, but haven't upgraded from kernel 3.2.0-36
yet, so not affected yet. (a 500+ download will take about 2-3
frustrating days on my snail pace gprs connection that breaks every few

Would be more than happy to do the bisecting and other requested
operations as soon as I upgrade.

As a side note, I think there should be a separate bug report against
"asus_nb_wmi" driver as this one addresses a problem that can be caused
by other reasons on other models too. Have requested the same in the
linked thread too.

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  168c:002b AR9285 ath9k not working after updating to ubuntu 13.04
  Raring (linux 3.8.0-19-generic)

Status in The Linux Kernel:
Status in “linux” package in Ubuntu:

Bug description:
  update: updated the BIOS to the latest version but the problem

  Booting with the older kernel (latest linux kernel from 12.10) every thing works fine. After upgrading to Raring Ringtail Ubuntu 13.04, with the new kernel, hardware get blocked/disabled and wireless doesn't work:
  0: phy0: Wireless LAN
   Soft blocked: no
   Hard blocked: yes
  1: asus-wlan: Wireless LAN
   Soft blocked: no
   Hard blocked: no

  WORKAROUND: Create and edit asus_nb_wmi.conf file with this command:
  sudo echo "options asus_nb_wmi wapf=1" | sudo tee /etc/modprobe.d/asus_nb_wmi.conf

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-19-generic 3.8.0-19.29
  ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
  Uname: Linux 3.8.0-19-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
   /dev/snd/controlC1:  xxxxx      1822 F.... pulseaudio
   [  370.100280] r8169 0000:04:00.2 eth1: link up
   [  370.100322] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
   [  891.718748] systemd-hostnamed[2649]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
   [14119.241628] rtsx_pci 0000:04:00.0: vpd r/w failed.  This is likely a firmware bug on this device.  Contact the card vendor for a firmware update.
  Date: Sat Apr 27 17:31:51 2013
  HibernationDevice: RESUME=UUID=e417e9f2-b63e-4b79-9be4-c21f55547205
  InstallationDate: Installed on 2012-07-13 (287 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: ASUSTeK Computer Inc. U32U
  MarkForUpload: True
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic root=UUID=3ad9d88b-a7a5-460f-ba15-a78dd7f2fc94 ro quiet splash vt.handoff=7
   linux-restricted-modules-3.8.0-19-generic N/A
   linux-backports-modules-3.8.0-19-generic  N/A
   linux-firmware                            1.106
  SourcePackage: linux
  UpgradeStatus: Upgraded to raring on 2013-04-27 (0 days ago)
  dmi.bios.date: 12/16/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: U32U.204
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: U32U
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrU32U.204:bd12/16/2011:svnASUSTeKComputerInc.:pnU32U:pvr1.0:rvnASUSTeKComputerInc.:rnU32U:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
  dmi.product.name: U32U
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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