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[Nikolai Alexihof <alexihof@xxxxxxxxx>]

This is still happening to me after an update minutes ago:

Linux imac 3.2.0-52-powerpc64-smp #78-Ubuntu SMP Fri Jul 26 18:04:26 UTC
2013 ppc64 ppc64 ppc64 GNU/Linux

[  422.168066] b43-phy0: Loading firmware version 508.1084 (2009-01-14 01:32:01)
[  422.224204] b43-pci-bridge 0001:01:01.0: Warning: IOMMU window too big for device mask
[  422.224222] b43-pci-bridge 0001:01:01.0: mask: 0x3fffffff, table end: 0x80000000
[  422.224236] b43-phy0 ERROR: The machine/kernel does not support the required 30-bit DMA mask

I also get

[  791.347753] b43-phy0 ERROR: Microcode not responding
[  791.347779] b43-phy0 ERROR: You must go to http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware and download the correct firmware for this driver version. Please carefully read all instructions on this website.

if I try to ifconfig wlan0 up manually.

** Changed in: linux (Ubuntu)
       Status: Expired => Confirmed

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https://bugs.launchpad.net/bugs/951687

Title:
  14e4:4320 Airport Extreme (Broadcom BCM4306) not working on Powermac
  G5

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  dmesg:

  [   20.766208] b43-phy0: Loading firmware version 508.1084 (2009-01-14 01:32:01)
  [   20.818287] b43-pci-bridge 0001:02:01.0: Warning: IOMMU window too big for device mask
  [   20.818294] b43-pci-bridge 0001:02:01.0: mask: 0x3fffffff, table end: 0x80000000
  [   20.818301] b43-phy0 ERROR: The machine/kernel does not support the required 30-bit DMA mask
  [   21.942194] b43-phy0 ERROR: Microcode not responding
  [   21.942344] b43-phy0 ERROR: You must go to http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware and download the correct firmware for this driver version. Please carefully read all instructions on this website.
  [   21.943280] ADDRCONF(NETDEV_UP): wlan0: link is not ready
  [   22.170216] b43-phy0: Loading firmware version 508.1084 (2009-01-14 01:32:01)
  [   22.222281] b43-pci-bridge 0001:02:01.0: Warning: IOMMU window too big for device mask
  [   22.222288] b43-pci-bridge 0001:02:01.0: mask: 0x3fffffff, table end: 0x80000000
  [   22.222293] b43-phy0 ERROR: The machine/kernel does not support the required 30-bit DMA mask
  [   22.742345] gem 0001:04:0f.0: eth0: Link is up at 100 Mbps, full-duplex
  [   22.742465] gem 0001:04:0f.0: eth0: Pause is enabled (rxfifo: 10240 off: 7168 on: 5632)
  [   23.346198] b43-phy0 ERROR: Microcode not responding
  [   23.346354] b43-phy0 ERROR: You must go to http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware and download the correct firmware for this driver version. Please carefully read all instructions on this website.

  Kernel:

  Linux G5 3.2.0-18-powerpc64-smp #28-Ubuntu SMP Sat Mar 3 00:31:34 UTC
  2012 ppc64 ppc64 ppc64 GNU/Linux

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-18-powerpc64-smp 3.2.0-18.28
  ProcVersionSignature: Ubuntu 3.2.0-18.28-powerpc64-smp 3.2.9
  Uname: Linux 3.2.0-18-powerpc64-smp ppc64
  AcpiTables:

  AlsaDevices:
   total 0
   crw-rw---T+ 1 root audio 116,  1 Mär 10 18:37 seq
   crw-rw---T+ 1 root audio 116, 33 Mär 10 18:37 timer
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices: aplay: device_list:252: no soundcards found...
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: powerpc
  ArecordDevices: arecord: device_list:252: no soundcards found...
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
  Date: Sat Mar 10 18:48:45 2012
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=7bcda918-5556-4905-8c23-e86b30d075d2
  PciMultimedia:

  ProcEnviron:
   TERM=xterm
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB:
   0 OFfb ATY,Simone
   1 OFfb ATY,Simone
  ProcKernelCmdLine: root=UUID=ca9b2712-c3ba-4311-85df-7b2dfefa6437 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-18-powerpc64-smp N/A
   linux-backports-modules-3.2.0-18-powerpc64-smp  N/A
   linux-firmware                                  1.71
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to precise on 2012-03-10 (0 days ago)

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