Wireless acting weird ubuntu 12.04 LTS

Posted by Philip Yeldhos on Ask Ubuntu See other posts from Ask Ubuntu or by Philip Yeldhos
Published on 2012-07-04T06:10:07Z Indexed on 2012/07/04 9:23 UTC
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I'm kinda new here, so please bear with me. My wireless driver is acting very weird. It shows my router's name, but when it is connecting (after entering the correct password), the icon on the tray is like, refreshing every once in a second, while showing the animation that it is connecting. And after a few seconds, error message come up saying that wireless network is disconnected. I installed the drive through "additional drivers". What info do you need? Somebody please help.

philip@philip-HP-Mini-110-3100:~$ sudo iwconfig
lo        no wireless extensions.

eth1      IEEE 802.11  ESSID:""  
          Mode:Managed  Frequency:2.472 GHz  Access Point: Not-Associated   
          Bit Rate:72 Mb/s   Tx-Power:24 dBm   
          Retry min limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=5/5  Signal level=0 dBm  Noise level=-96 dBm
          Rx invalid nwid:0  Rx invalid crypt:11  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

eth0      no wireless extensions.

here's what lspci -v gave me:

02:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)
Subsystem: Hewlett-Packard Company Device 1483
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at 52000000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [58] Vendor Specific Information: Len=78 <?>
Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [d0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [13c] Virtual Channel
Capabilities: [160] Device Serial Number 00-00-82-ff-ff-3f-e0-2a
Capabilities: [16c] Power Budgeting <?>
Kernel driver in use: wl
Kernel modules: wl, bcma, brcmsmac

okay, i removed the driver additional drivers gave me.

now, this is what has happened: lsmod gave me:

philip@philip-HP-Mini-110-3100:~$ lsmod | grep brc
brcmsmac              540875  0 
mac80211              436455  1 brcmsmac
brcmutil               14675  1 brcmsmac
cfg80211              178679  2 brcmsmac,mac80211
crc8                   12781  1 brcmsmac
cordic                 12487  1 brcmsmac

and iwconfig gave me:

philip@philip-HP-Mini-110-3100:~$ iwconfig
lo        no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:off/any  
      Mode:Managed  Access Point: Not-Associated   Tx-Power=19 dBm   
      Retry  long limit:7   RTS thr:off   Fragment thr:off
      Power Management:off

eth0      no wireless extensions.

and lspci -v gave me:

02:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)
Subsystem: Hewlett-Packard Company Device 1483
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at 52000000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: brcmsmac
Kernel modules: bcma, brcmsmac

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