Firefox crashes wireless

I’ve installed 11.2 on a vintage Dell Inspiron E1505 with the Broadcom 1390 WLAN card. I was able to make it through the welcome/getting started/etc here in the wifi forum and the card shows up and connects when the computer is booted up. It seems to stay connected indefinitely if I don’t use wifi. But if I start Firefox I get about 30 seconds to surf and then wireless goes from “active” to alternating between “configuring interface” and “waiting for authorization” and never reconnects. Running /usr/sbin/iwconfig before starting Firefox shows everything as it should be - running /usr/sbin/iwconfig after gives me “Access Point: Not Associated” Any help would be appreciated. Cheers.

Please post the result of this from a terminal

/sbin/lspci -nnk

WRT the wireless card, both pre- and post- Firefox (and Konqueror) /sbin/lspci -nnk gives me:

0b:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
Subsystem: Dell Wireless 1390 WLAN Mini-Card [1028:0007]
Kernel driver in use: b43-pci-bridge


To get your wireless working properly run this

then reboot

On 05/25/2010 12:36 PM, caf4926 wrote:
> To get your wireless working properly run this

No. The 4311 does not need the wl driver. It works with b43.

I have no idea why Firefox is messing up your wireless, but the problem
is certainly not the driver. A user application cannot get to the
driver; however, it can disturb other user code.

:shame: Humbled by the Finger - Again!

It certainly isn’t exclusive to Firefox - with Firefox, Chrome and Konqueror for some reason the wireless gets disconnected after about 30 seconds of use (when running under Knetwork manager). I’ve tried using Yast/ifup to do this, but for all three browsers I end up with “unable to connect” despite:

linux-8jrt:/home/cress # ifup wlan0
wlan0 name: BCM4311 802.11b/g WLAN
DHCP4 client is already running on wlan0
IP address:


wlan0 IEEE 802.11bg ESSID:"robert"
Mode:Managed Frequency:2.452 GHz Access Point: 00:2G:1A:5F:9D:26
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thrff Fragment thrff
Power Managementff
Link Quality=70/70 Signal level=-21 dBm Noise level=-70 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

Any thoughts are appreciated.