** 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 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs