Comment 51 for bug 730215

I assume 11.04 also brought in a new kernel and new brcm80211/brcmsmac driver.
Is there any way on ubuntu to switch to the old firmware package (from 10.10)? It would be good to know if it was the firmware or the updated driver that is
the root of the problem.

- Henry

On Fri, Apr 29, 2011 at 05:47:40AM -0700, Steve Embling wrote:
> Ive been getting kernel panics (it appears anyway anyway, REISUB doesn't work but i do not have keyboard control lights) since this patch has been applied, after updating to 11.04 this morning...
> Once my AP went down, and ubuntu crashed immediately on connect every time until i rebooted the router.
> This was stable and worked perfectly in 10.10
>
> --
> You received this bug notification because you are a direct subscriber
> of the bug.
> https://bugs.launchpad.net/bugs/730215
>
> Title:
> broadcom 80211 kernel panic in wlc_ampdu.c
>
> Status in “linux” package in Ubuntu:
> Invalid
> Status in “linux-firmware” package in Ubuntu:
> Fix Released
>
> Bug description:
> Binary package hint: linux-firmware
>
> I have many kernel panics with the brcml80211 module. My network controller is BCM43224.
> I can use my computer only few minutes with this module (but it works with another module "wl").
> ---
> AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
> Architecture: amd64
> ArecordDevices:
> **** 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: jack 1470 F.... pulseaudio
> CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
> Card0.Amixer.info:
> Card hw:0 'Intel'/'HDA Intel at 0xb6100000 irq 49'
> Mixer name : 'IDT 92HD81B1X5'
> Components : 'HDA:111d7605,103c144d,00100402'
> Controls : 14
> Simple ctrls : 9
> Card1.Amixer.info:
> Card hw:1 'Generic'/'HD-Audio Generic at 0xb6020000 irq 50'
> Mixer name : 'ATI R6xx HDMI'
> Components : 'HDA:1002aa01,00aa0100,00100200'
> Controls : 4
> Simple ctrls : 1
> Card1.Amixer.values:
> Simple mixer control 'IEC958',0
> Capabilities: pswitch pswitch-joined penum
> Playback channels: Mono
> Mono: Playback [on]
> DistroRelease: Ubuntu 11.04
> HibernationDevice: RESUME=UUID=62e39a2b-d3ab-4b67-925e-005e67c1e10e
> MachineType: Hewlett-Packard HP ENVY 17 Notebook PC
> Package: linux (not installed)
> ProcEnviron:
> LANGUAGE=fr_FR:en
> LANG=fr_FR.UTF-8
> SHELL=/bin/bash
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=28ac122a-234c-4507-83e0-2383ba62b536 ro elevator=deadline quiet splash vt.handoff=7
> ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
> Regression: No
> RelatedPackageVersions:
> linux-restricted-modules-2.6.38-7-generic N/A
> linux-backports-modules-2.6.38-7-generic N/A
> linux-firmware 1.49
> Reproducible: Yes
> StagingDrivers: brcm80211
> Tags: natty running-unity kernel-config needs-upstream-testing staging
> Title: [STAGING]
> Uname: Linux 2.6.38-7-generic x86_64
> UpgradeStatus: No upgrade log present (probably fresh install)
> UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
> dmi.bios.date: 11/03/2010
> dmi.bios.vendor: Hewlett-Packard
> dmi.bios.version: F.1B
> dmi.board.asset.tag: Base Board Asset Tag
> dmi.board.name: 144D
> dmi.board.vendor: Hewlett-Packard
> dmi.board.version: 65.35
> dmi.chassis.type: 10
> dmi.chassis.vendor: Hewlett-Packard
> dmi.chassis.version: N/A
> dmi.modalias: dmi:bvnHewlett-Packard:bvrF.1B:bd11/03/2010:svnHewlett-Packard:pnHPENVY17NotebookPC:pvr058E110000241920001620000:rvnHewlett-Packard:rn144D:rvr65.35:cvnHewlett-Packard:ct10:cvrN/A:
> dmi.product.name: HP ENVY 17 Notebook PC
> dmi.product.version: 058E110000241920001620000
> dmi.sys.vendor: Hewlett-Packard
>
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>