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[dino99 <502433@xxxxxxxxxxxxxxxxxx>]

status declared resolved

** Changed in: linux
   Importance: High => Undecided

** Changed in: linux
       Status: Confirmed => New

** Changed in: linux
 Remote watch: Linux Kernel Bug Tracker #10398 => None

** Changed in: linux
       Status: New => Fix Released

** Changed in: linux (Ubuntu)
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/502433

Title:
  Lucid: b43 fatal DMA error on Dell Mini 9

Status in Linux:
  Fix Released
Status in linux package in Ubuntu:
  Invalid

Bug description:
  **Fix/workaround available inside compat-wireless package. Please see
  Post 31**

  After enabling the free "Broadcom B43 wireless driver" in Lucid
  Netbook, I get this in kern.log:

  Jan  2 23:13:40 morris kernel: [  344.513384] b43-phy0: Controller restarted
  Jan  2 23:13:40 morris kernel: [  344.525432] b43-phy0 ERROR: Fatal DMA error: 0x00000400, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000
  Jan  2 23:13:40 morris kernel: [  344.525462] b43-phy0: Controller RESET (DMA error) ...
  Jan  2 23:13:40 morris kernel: [  344.740448] b43-phy0: Loading firmware version 410.2160 (2007-05-26 15:32:10)
  Jan  2 23:13:46 morris kernel: [  350.277387] b43-phy0: Controller restarted
  Jan  2 23:13:46 morris kernel: [  350.277700] b43-phy0 ERROR: Fatal DMA error: 0x00000400, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000
  Jan  2 23:13:46 morris kernel: [  350.277735] b43-phy0: Controller RESET (DMA error) ...
  Jan  2 23:13:46 morris kernel: [  350.496412] b43-phy0: Loading firmware version 410.2160 (2007-05-26 15:32:10)

  This happens on a fresh install from a USB stick made with unetbootin from:
  http://cdimage.ubuntu.com/ubuntu-netbook-remix/daily-live/20100102/lucid-netbook-i386.iso

  The wireless card worked fine in Jaunty Netbook Remix.

  ProblemType: Bug
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  akaihola   1527 F.... pulseaudio
  CRDA: Error: [Errno 2] Tiedostoa tai hakemistoa ei ole
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf0540000 irq 22'
     Mixer name	: 'Realtek ALC268'
     Components	: 'HDA:10ec0268,102802b0,00100101'
     Controls      : 13
     Simple ctrls  : 8
  Date: Sat Jan  2 23:17:33 2010
  DistroRelease: Ubuntu 10.04
  HibernationDevice: RESUME=UUID=d799c17e-eecd-45e5-9024-1199ace34842
  InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Alpha i386 (20100102)
  MachineType: Dell Inc. Inspiron 910
  Package: linux-image-2.6.32-9-generic 2.6.32-9.13
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-9-generic root=UUID=3db28a5e-1fef-4147-9442-7ead2e7c3115 ro quiet splash
  ProcEnviron:
   LANG=fi_FI.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-9.13-generic
  Regression: Yes
  RelatedPackageVersions: linux-firmware 1.28
  Reproducible: Yes
  SourcePackage: linux
  Tags:  ubuntu-unr lucid regression-potential
  TestedUpstream: Yes
  Uname: Linux 2.6.32-9-generic i686
  dmi.bios.date: 03/05/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: CN0J14
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A05
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A05
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd03/05/2009:svnDellInc.:pnInspiron910:pvrA05:rvnDellInc.:rnCN0J14:rvrA05:cvnDellInc.:ct8:cvrA05:
  dmi.product.name: Inspiron 910
  dmi.product.version: A05
  dmi.sys.vendor: Dell Inc.

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