Comment 0 for bug 1385059

The WLAN does not work anymore - the driver seems to be loaded since the hardware light flashes blue/purple, but the device is unable to connect to any WLAN.

This happens after updating to 14.10 on
Linux box 3.16.0-23-generic #31-Ubuntu SMP Tue Oct 21 18:00:35 UTC 2014 i686 i686 i686 GNU/Linux
lenovo s10e
04:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)

dmesg shows

[ 1253.135793] ERROR @wl_dev_intvar_get : error (-1)
[ 1253.135805] ERROR @wl_cfg80211_get_tx_power : error (-1)

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-23-generic 3.16.0-23.31
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Uname: Linux 3.16.0-23-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.14.7-0ubuntu8
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: hirsch 2758 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri Oct 24 08:13:35 2014
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=cef59770-4af9-4efd-b1a8-f3b9e6fdf30f
InstallationDate: Installed on 2013-01-14 (647 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MachineType: LENOVO 40684KG
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-23-generic root=UUID=57ea19ce-b54f-4b7c-975c-b11064321210 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.16.0-23-generic N/A
 linux-backports-modules-3.16.0-23-generic N/A
 linux-firmware 1.138
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-10-23 (0 days ago)
dmi.bios.date: 10/11/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 14CNA0WW
dmi.board.name: Kuril
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:bvr14CNA0WW:bd10/11/2010:svnLENOVO:pn40684KG:pvrLenovo:rvnLenovo:rnKuril:rvrRev1.0:cvnLenovo:ct10:cvrRev1.0:
dmi.product.name: 40684KG
dmi.product.version: Lenovo
dmi.sys.vendor: LENOVO