Save yourself some time - skip to the 2nd post. 
This has been a bloody freaking NIGHTMARE. I don't normally offer to install Linux for someone unless I boot a live distro and verify that wireless and sound are both working. But the Broadcom 4313 tricked me -- it showed that I was connected and it successfully completed a Google search. It wasn't until after I installed Precise and setup a nice dual-boot system (with Windows networking disabled - for a virus-prone customer who has a handful of must-have Windows apps) that my client discovered that download speeds were drastically slower on the linux side, and often didn't work at all. With all the time I've put in this thing, my hourly rate is quickly approaching minimum wage.
I tried a variety of Broadcom-related solutions that did not work - until I found this thread (which discusses the exact Broadcom wireless card & version that I am working with). I went through the step-by-steps and at one point (in the wee hours of the morning last night) I actually had it working. But then I rebooted and *POOF* everything good vanished.
How I got here...
I followed the basic steps outlined in the 2nd post of the thread:
- Check to see what bcm drivers are loaded using lsmod | grep "b43\|ssb\|bcma\|wl"
- rmmod them and blacklist them
- re/install bcmwl-kernel-source, broadcom-sta-source and broadcom-sta-common
That worked and I was very happy. Then I rebooted and b43, bcma and ssb were all back (and wl was not.) My blacklist.conf was completely ignored.
Code:
# cat /etc/modprobe.d/blacklist.conf
# This file lists those modules which we don't want to be loaded by
# alias expansion, usually so some other driver will be loaded for the
# device instead.
# evbug is a debug tool that should be loaded explicitly
blacklist evbug
# these drivers are very simple, the HID drivers are usually preferred
blacklist usbmouse
blacklist usbkbd
# replaced by e100
blacklist eepro100
# replaced by tulip
blacklist de4x5
# causes no end of confusion by creating unexpected network interfaces
blacklist eth1394
# snd_intel8x0m can interfere with snd_intel8x0, doesn't seem to support much
# hardware on its own (Ubuntu bug #2011, #6810)
blacklist snd_intel8x0m
# Conflicts with dvb driver (which is better for handling this device)
blacklist snd_aw2
# causes failure to suspend on HP compaq nc6000 (Ubuntu: #10306)
blacklist i2c_i801
# replaced by p54pci
blacklist prism54
# replaced by b43 and ssb.
blacklist bcm43xx
# most apps now use garmin usb driver directly (Ubuntu: #114565)
blacklist garmin_gps
# replaced by asus-laptop (Ubuntu: #184721)
blacklist asus_acpi
# low-quality, just noise when being used for sound playback, causes
# hangs at desktop session start (Ubuntu: #246969)
blacklist snd_pcsp
# ugly and loud noise, getting on everyone's nerves; this should be done by a
# nice pulseaudio bing (Ubuntu: #77010)
blacklist pcspkr
# EDAC driver for amd76x clashes with the agp driver preventing the aperture
# from being initialised (Ubuntu: #297750). Blacklist so that the driver
# continues to build and is installable for the few cases where its
# really needed.
blacklist b43
blacklist amd76x_edac
blacklist hp_wmi
blacklist ssb
blacklist bcma
blacklist brmcsmac
The next thing I tried was to find the ko files for b43, bcma, brmcsmac, etc. in /lib/modules and rename them to .ko9. On reboot, they were no longer reenabled, but now even my wired netowrking was broken so I put them all back. I tried various additional iterations of the basic steps above; mostly I tried not to reboot since doing so always resurrected those accursed blacklisted drivers. I also tried backing up /boot/initrd.img... and doing an update-initramfs -u after rmmod'ing b43, bcma and ssb. No joy.
Finally, I decided to try building a new driver (again, per the instructions in the linked thread) using the driver on Broadcom's website and the (attached) readme - and this almost works... I can connect to a neighbor's router (no encryption) but not to my own (WPA/WPA2 Personal).
Code:
# nm-tool
NetworkManager Tool
State: connected (global)
- Device: eth1 [MaunaLoa] -----------------------------------------------------
Type: 802.11 WiFi
Driver: wl
State: connecting (getting IP configuration)
Default: no
HW Address: XX:XX:XX:XX:66:3F
Capabilities:
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points
keisha09: Infra, XX:XX:XX:XX:95:10, Freq 2437 MHz, Rate 54 Mb/s, Strength 27 WPA WPA2
keisha09-guest: Infra, XX:XX:XX:XX:95:12, Freq 2437 MHz, Rate 54 Mb/s, Strength 24
A3CF59: Infra, XX:XX:XX:XX:CF:59, Freq 2412 MHz, Rate 54 Mb/s, Strength 20 WPA WPA2
MaunaLoa: Infra, XX:XX:XX:XX:6A:07, Freq 2447 MHz, Rate 54 Mb/s, Strength 74 WPA WPA2 <-- That's my router
Code:
# lshw -C network
*-network
description: Wireless interface
product: BCM4313 802.11bgn Wireless Network Adapter
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: eth1
version: 01
serial: XX:XX:XX:XX:66:3f
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.141 (r415941) latency=0 multicast=yes wireless=IEEE 802.11abg
resources: irq:16 memory:c2500000-c2503fff
*-network
description: Ethernet interface
product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 05
serial: XX:XX:XX:XX:3f:88
size: 100Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8105e-1.fw ip=10.88.7.107 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:41 ioport:3000(size=256) memory:c0404000-c0404fff memory:c0400000-c0403fff
Code:
# lspci -nn | grep 14e4
01:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
Code:
# lsmod
Module Size Used by
lib80211_crypt_tkip 17390 0
wl 4207769 0
lib80211 14381 2 lib80211_crypt_tkip,wl
rfcomm 47604 0
bnep 18281 2
bluetooth 180104 10 rfcomm,bnep
parport_pc 32866 0
ppdev 17113 0
binfmt_misc 17540 1
snd_hda_codec_hdmi 32474 1
snd_hda_codec_idt 70795 1
ext2 73795 1
ip6t_LOG 16974 4
xt_hl 12521 6
ip6t_rt 12558 3
nf_conntrack_ipv6 13906 7
nf_defrag_ipv6 13368 1 nf_conntrack_ipv6
uvcvideo 72627 0
videodev 98259 1 uvcvideo
v4l2_compat_ioctl32 17128 1 videodev
joydev 17693 0
ipt_REJECT 12576 1
ipt_LOG 12919 5
snd_hda_intel 33773 3
snd_hda_codec 127706 3 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel
psmouse 87603 0
serio_raw 13211 0
snd_hwdep 13668 1 snd_hda_codec
xt_limit 12711 12
snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
xt_tcpudp 12603 26
snd_seq_midi 13324 0
xt_addrtype 12713 4
snd_rawmidi 30748 1 snd_seq_midi
snd_seq_midi_event 14899 1 snd_seq_midi
xt_state 12578 14
snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event
wmi 19256 0
ip6table_filter 12815 1
ip6_tables 27864 3 ip6t_LOG,ip6t_rt,ip6table_filter
nf_conntrack_netbios_ns 12665 0
nf_conntrack_broadcast 12589 1 nf_conntrack_netbios_ns
nf_nat_ftp 12704 0
nf_nat 25891 1 nf_nat_ftp
nf_conntrack_ipv4 19716 9 nf_nat
nf_defrag_ipv4 12729 1 nf_conntrack_ipv4
snd_timer 29990 2 snd_pcm,snd_seq
snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq
nf_conntrack_ftp 13452 1 nf_nat_ftp
nf_conntrack 81926 8 nf_conntrack_ipv6,xt_state,nf_conntrack_netbios_ns,nf_conntrack_broadcast,nf_nat_ftp,nf_nat,nf_conntrack_ipv4,nf_conntrack_ftp
mac80211 506816 0
iptable_filter 12810 1
snd 78855 16 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
ip_tables 27473 1 iptable_filter
x_tables 29846 13 ip6t_LOG,xt_hl,ip6t_rt,ipt_REJECT,ipt_LOG,xt_limit,xt_tcpudp,xt_addrtype,xt_state,ip6table_filter,ip6_tables,iptable_filter,ip_tables
cfg80211 205544 2 wl,mac80211
mac_hid 13253 0
i915 468651 3
rts_pstor 445196 0
drm_kms_helper 46978 1 i915
drm 242038 4 i915,drm_kms_helper
i2c_algo_bit 13423 1 i915
video 19596 1 i915
soundcore 15091 1 snd
snd_page_alloc 18529 2 snd_hda_intel,snd_pcm
mei 41616 0
lp 17799 0
parport 46562 3 parport_pc,ppdev,lp
usbhid 47199 0
hid 99559 1 usbhid
r8169 62099 0
Code:
# iwconfig
lo no wireless extensions.
eth1 IEEE 802.11abg ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=200 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
eth0 no wireless extensions.
My head hurts from banging it against my desk. Please, PLEASE help me, wireless gurus!
If there's any additional info needed, please let me know and I'll post it right away!
Thank you for your time and consideration!
Soooo CLOSE - Broadcom 4313 connects to unsecured router - but not to mine
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