Public bug reported:

I own a Lenovo Ideapad v360 laptop with a Broadcom BCM4313 wireless
network adapter.  Jockey has installed "bcmwl-kernel-source" package in
order to be able to use the wireless adapter, but it doesn't work
anyway.

Some information:
''cat /proc/version_signature''
{{{
Ubuntu 3.0.0-10.16-generic 3.0.4
}}}

''lspci -vvnn | grep BCM4313''
{{{
05:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n 
Wireless LAN Controller [14e4:4727] (rev 01)
}}}

''cat /etc/log/syslog'' after turning on the wireless network adapter "hardware 
switch" and pressing the keyboard wireless switch (I have to hit it twice 
sometimes):
{{{
# module enabled
Sep  9 04:35:07 ubuntu kernel: [  285.868820] lib80211: common routines for 
IEEE802.11 drivers
Sep  9 04:35:07 ubuntu kernel: [  285.868824] lib80211_crypt: registered 
algorithm 'NULL'
Sep  9 04:35:07 ubuntu kernel: [  285.871118] wl: module license 
'MIXED/Proprietary' taints kernel.
Sep  9 04:35:07 ubuntu kernel: [  285.871124] Disabling lock debugging due to 
kernel taint
# desktop wireless key first press
Sep  9 04:36:40 ubuntu kernel: [  379.019328] atkbd serio0: Unknown key pressed 
(translated set 2, code 0x8e on isa0060/serio0).
Sep  9 04:36:40 ubuntu kernel: [  379.019336] atkbd serio0: Use 'setkeycodes 
e00e <keycode>' to make it known.
Sep  9 04:36:40 ubuntu kernel: [  379.029296] atkbd serio0: Unknown key 
released (translated set 2, code 0x8e on isa0060/serio0).
Sep  9 04:36:40 ubuntu kernel: [  379.029306] atkbd serio0: Use 'setkeycodes 
e00e <keycode>' to make it known.
# desktop wireless key second press
Sep  9 04:36:48 ubuntu kernel: [  387.019960] atkbd serio0: Unknown key pressed 
(translated set 2, code 0x8e on isa0060/serio0).
Sep  9 04:36:48 ubuntu kernel: [  387.019971] atkbd serio0: Use 'setkeycodes 
e00e <keycode>' to make it known.
Sep  9 04:36:48 ubuntu NetworkManager[1704]: <info> WiFi now enabled by radio 
killswitch
Sep  9 04:36:48 ubuntu NetworkManager[1704]: <info> (wlan0): bringing up device.
Sep  9 04:36:48 ubuntu kernel: [  387.023639] ieee80211 phy0: wl_ops_config: 
change monitor mode: false (implement)
Sep  9 04:36:48 ubuntu kernel: [  387.023648] ieee80211 phy0: wl_ops_config: 
change power-save mode: false (implement)
Sep  9 04:36:48 ubuntu kernel: [  387.023668] ieee80211 phy0: wl0: 
wlc_wme_setparams : no-clock
Sep  9 04:36:48 ubuntu kernel: [  387.023674] ieee80211 phy0: wl0: 
wlc_wme_setparams : no-clock
Sep  9 04:36:48 ubuntu kernel: [  387.023679] ieee80211 phy0: wl0: 
wlc_wme_setparams : no-clock
Sep  9 04:36:48 ubuntu kernel: [  387.023684] ieee80211 phy0: wl0: 
wlc_wme_setparams : no-clock
Sep  9 04:36:48 ubuntu kernel: [  387.023689] ieee80211 phy0: 
wl_ops_bss_info_changed: qos enabled: false (implement)
Sep  9 04:36:48 ubuntu kernel: [  387.024096] ADDRCONF(NETDEV_UP): wlan0: link 
is not ready
Sep  9 04:36:48 ubuntu dbus[1349]: [system] Activating service 
name='fi.w1.wpa_supplicant1' (using servicehelper)
Sep  9 04:36:48 ubuntu kernel: [  387.028924] atkbd serio0: Unknown key 
released (translated set 2, code 0x8e on isa0060/serio0).
Sep  9 04:36:48 ubuntu kernel: [  387.028932] atkbd serio0: Use 'setkeycodes 
e00e <keycode>' to make it known.
Sep  9 04:36:48 ubuntu dbus[1349]: [system] Successfully activated service 
'fi.w1.wpa_supplicant1'
Sep  9 04:36:48 ubuntu NetworkManager[1704]: <info> wpa_supplicant started
Sep  9 04:36:48 ubuntu wpa_supplicant[5030]: Could not set interface wlan0 
flags: Operation not possible due to RF-kill
Sep  9 04:36:48 ubuntu wpa_supplicant[5030]: Could not set interface 'wlan0' UP
Sep  9 04:36:48 ubuntu wpa_supplicant[5030]: Could not set interface wlan0 
flags: Operation not possible due to RF-kill
Sep  9 04:36:48 ubuntu wpa_supplicant[5030]: Failed to initialize driver 
interface
Sep  9 04:36:48 ubuntu NetworkManager[1704]: <error> [1315543008.943018] 
[nm-supplicant-interface.c:570] interface_add_cb(): (wlan0): error adding 
interface: wpa_supplicant couldn't grab this interface.
Sep  9 04:36:48 ubuntu NetworkManager[1704]: dbus_g_proxy_cancel_call: 
assertion `pending != NULL' failed
Sep  9 04:36:48 ubuntu NetworkManager[1704]: <info> (wlan0): supplicant 
interface state: starting -> down
Sep  9 04:36:48 ubuntu NetworkManager[1704]: <warn> Trying to remove a 
non-existant call id.
Sep  9 04:36:49 ubuntu NetworkManager[1704]: <info> WiFi now disabled by radio 
killswitch
}}}

''rfkill list all''
{{{
0: acer-wireless: Wireless LAN
    Soft blocked: yes
    Hard blocked: no
1: ideapad_wlan: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: ideapad_bluetooth: Bluetooth
    Soft blocked: yes
    Hard blocked: no
3: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
}}}

NetworkManager applet displays "wireless not ready".

What caught my attention in that last command is the ''acer-wireless'' entry. 
Searching  on Google I found that blacklisting the ''acer-wmi'' module works 
around the issue, and the wireless adapter started working. Another workaround 
is to add a parameter to the ''acer-wmi'' module:
(from http://ubuntuforums.org/showthread.php?t=1832771)
{{{
echo "options acer_wmi wireless=1" | sudo tee /etc/modprobe.d/acer_wmi.conf
}}}

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-10-generic 3.0.0-10.16
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
NonfreeKernelModules: wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.22.1-0ubuntu2
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC272 Analog [ALC272 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  samael     1660 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf0800000 irq 42'
   Mixer name   : 'Intel IbexPeak HDMI'
   Components   : 'HDA:10ec0272,17aa600e,00100001 
HDA:80862804,80860101,00100000'
   Controls      : 21
   Simple ctrls  : 11
Date: Sat Sep 10 20:34:43 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110905)
MachineType: LENOVO 091197Y
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-10-generic 
root=UUID=fbe772ab-57ac-48b0-b63d-d42667fc2400 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.0.0-10-generic N/A
 linux-backports-modules-3.0.0-10-generic  N/A
 linux-firmware                            1.60
SourcePackage: linux
StagingDrivers: brcmutil mei brcmsmac
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/07/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 2DCN16WW
dmi.board.asset.tag: Tag 12345
dmi.board.name: MoutCook
dmi.board.vendor: LENOVO
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnLENOVO:bvr2DCN16WW:bd05/07/2010:svnLENOVO:pn091197Y:pvrLenovoV360:rvnLENOVO:rnMoutCook:rvrNotApplicable:cvnLENOVO:ct10:cvrN/A:
dmi.product.name: 091197Y
dmi.product.version: Lenovo V360
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug oneiric running-unity staging

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https://bugs.launchpad.net/bugs/846719

Title:
  Conflict between acer-wmi and wl kernel modules

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