On Saturday 04 August 2007 07:12:46 Brennan Ashton wrote:
> When the bcm43xx_mac80211 driver stops communicating, and needs to be
> reset (this seems to happens when coming from strong to week to strong
> signal area quickly) i have been rmmod and then modprobing it. this
> works most of the time, but some times (~20%), it will lock up the
> network with this error that repeats.
>
> Message from [EMAIL PROTECTED] at Fri Aug  3 00:55:41 2007 ...
> localhost kernel: [19316.256549] unregister_netdevice: waiting for eth1 to
> becom e free. Usage count = 5
>
> usage count varies, but renders the system unusable (extremely slow,
> like when localhost is not defined) until the laptop is turned off,
> the system will hang during shutdown requiring a power interrupt.
> This did not happen with the bcm43xx driver in 2.6.22-rc7.
>

I've seen this while testing the 4301 driver (also mac80211).
I do not get it when booting into recovery mode, but is 100% reproducible when 
booting into X. A guess is that networkmanager is involved in it. I am also 
pretty sure that "Usage count" equals the number of times the driver has been 
reloaded. I can shut down fine when I've not reloaded the module.

My specs: 2.6.23-rc1+bcm4301 driver, 4311 hardware, kubuntu feisty.
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