Public bug reported:
upgrade enters this state, which does not work (ifconfig -a lists no interface):
foxyboy@s10t:~/Desktop$ lspci -k -nn -d 14e4:4727
07:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n
Wireless LAN Controller [14e4:4727] (rev 01)
Subsystem: Broadcom Corporation Device [14e4:0510]
Kernel driver in use: bcma-pci-bridge
Kernel modules: wl, bcma, brcmsmac
diagnose: open source driver bcma blocks proprietary driver brcmsmac
from working. bcma does not work with Broadcom 4313
get-arounds:
sudo rmmod bcma
sudo rmmod brcmsmac
sudo modprobe brcmsmac
wi-fi now works.
or create a one-line file /etc/modprobe.d/blacklist-bcma
blacklist bcma
then reboot: wi-fi now works
foxyboy@s10t:~$ lspci -k -nn -d 14e4:4727
07:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n
Wireless LAN Controller [14e4:4727] (rev 01)
Subsystem: Broadcom Corporation Device [14e4:0510]
Kernel driver in use: wl
Kernel modules: wl, bcma, brcmsmac
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-12-generic 3.0.0-12.20
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
NonfreeKernelModules: wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 1.23-0ubuntu3
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: foxyboy 1716 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf0400000 irq 45'
Mixer name : 'Conexant CX20582 (Pebble)'
Components : 'HDA:14f15066,17aa4003,00100302'
Controls : 8
Simple ctrls : 5
Date: Sun Oct 16 11:16:46 2011
HibernationDevice: RESUME=UUID=695c8efa-91da-424d-983e-cc08dd01eba3
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Alpha i386 (20100224.3)
MachineType: LENOVO INVALID
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic
root=UUID=ffaa4e66-df31-4488-8f49-7bc442dbcaca ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-12-generic N/A
linux-backports-modules-3.0.0-12-generic N/A
linux-firmware 1.60
SourcePackage: linux
UpgradeStatus: Upgraded to oneiric on 2011-10-16 (0 days ago)
dmi.bios.date: 12/11/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 24CN18WW
dmi.board.name: Caucasus2
dmi.board.vendor: LENOVO
dmi.board.version: Rev 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Lenovo
dmi.chassis.version: Rev 1.0
dmi.modalias:
dmi:bvnLENOVO:bvr24CN18WW:bd12/11/2009:svnLENOVO:pnINVALID:pvrLenovoIdeapadS10-3t:rvnLENOVO:rnCaucasus2:rvrRev1.0:cvnLenovo:ct10:cvrRev1.0:
dmi.product.name: INVALID
dmi.product.version: Lenovo Ideapad S10-3t
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 oneiric running-unity
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https://bugs.launchpad.net/bugs/875892
Title:
Wi-Fi not working after 11.10 upgrade Lenovo S10-3t
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