[Bug 543983] Re: Problems when using b43 module for Broadcom LP-PHY [14e4:4315] wireless devices

[أحمد المحمودي (Ahmed El-Mahmoudy)]

** Summary changed:

- WARNING: at /build/buildd/linux-2.6.32/kernel/rcutree.c:277 rcu_exit_nohz+0x5f/0x70()
+ Problems when using b43 module for Broadcom LP-PHY [14e4:4315] wireless devices

** Description changed:

  This problem occurs when I turn on the RF switch.
  
  I'd like to add (it might be related) that I got a problem with the b43
- driver. It doesn't work except if I blacklist it in initramfs.
+ driver. It doesn't work except if I blacklist it in initramfs and load
+ the proprietary wl module (from bcmwl package) in the initramfs.
  
  If I don't do so, I get errors such as this when I turn on the RF switch:
  [  114.662013] b43-phy0 ERROR: Fatal DMA error: 0x00000800, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000
  [  114.662030] b43-phy0: Controller RESET (DMA error) ...
  [  114.880282] b43-phy0: Loading firmware version 410.2160 (2007-05-26 15:32:10)
  [  120.405321] b43-phy0: Controller restarted
  
  ProblemType: KernelOops
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Annotation: Your system might become unstable now and might need to be restarted.
  Architecture: i386
  ArecordDevices:
-  **** List of CAPTURE Hardware Devices ****
-  card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
-    Subdevices: 1/1
-    Subdevice #0: subdevice #0
+  **** List of CAPTURE Hardware Devices ****
+  card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  ant1       2228 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  ant1       2228 F.... pulseaudio
  Card0.Amixer.info:
-  Card hw:0 'Intel'/'HDA Intel at 0xf6afc000 irq 21'
-    Mixer name	: 'Intel G45 DEVCTG'
-    Components	: 'HDA:111d76b2,10280263,00100302 HDA:14f12c06,14f1000f,00100000 HDA:80862802,80860101,00100000'
-    Controls      : 23
-    Simple ctrls  : 12
+  Card hw:0 'Intel'/'HDA Intel at 0xf6afc000 irq 21'
+    Mixer name	: 'Intel G45 DEVCTG'
+    Components	: 'HDA:111d76b2,10280263,00100302 HDA:14f12c06,14f1000f,00100000 HDA:80862802,80860101,00100000'
+    Controls      : 23
+    Simple ctrls  : 12
  Date: Mon Mar 22 08:12:11 2010
  DistroRelease: Ubuntu 10.04
  Failure: oops
  HibernationDevice: RESUME=UUID=2d2733cb-5183-499b-805f-443db67429ab
  MachineType: Dell Inc. Latitude E5500
  Package: linux-image-2.6.32-16-generic 2.6.32-16.25
  PccardctlIdent:
-  Socket 0:
-    no product info available
+  Socket 0:
+    no product info available
  PccardctlStatus:
-  Socket 0:
-    no card
+  Socket 0:
+    no card
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-16-generic root=UUID=f7569fdd-a8bf-4fd1-ae2d-d4842dbf5621 ro splash
  ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
  Regression: No
  RelatedPackageVersions: linux-firmware 1.33
  Reproducible: Yes
  SourcePackage: linux
  TestedUpstream: No
  Title: WARNING: at /build/buildd/linux-2.6.32/kernel/rcutree.c:277 rcu_exit_nohz+0x5f/0x70()
  Uname: Linux 2.6.32-16-generic i686
  dmi.bios.date: 04/15/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A11
  dmi.board.name: 0DW634
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA11:bd04/15/2009:svnDellInc.:pnLatitudeE5500:pvr:rvnDellInc.:rn0DW634:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Latitude E5500
  dmi.sys.vendor: Dell Inc.

-- 
Problems when using b43 module for Broadcom LP-PHY [14e4:4315] wireless devices
https://bugs.launchpad.net/bugs/543983
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