problem with downing wlan's
vdvo at vdvo.net
Wed Jan 7 18:18:40 EST 2004
Jiri Fojtasek <jiri.fojtasek at hlohovec.net> wrote:
> Vaclav Dvorak wrote:
>>> I wanted to try rmmod-ing hostap_pci to see whether it helps, and it
>>> doesn't seem to work. I did "ifconfig wlan0 down; ifconfig wlan1 down;
>>> rmmod hostap_pci", and it hung the machine. So the next time the
>>> machine booted, I tried the commands one by one. The ifconfig's
>>> succeeded, but the rmmod never finished, although this time it didn't
>>> hang. Instead, the log said: "kernel: unregister_netdevice: waiting
>>> for wlan1 to become free. Usage count = 2", and the message repeated
>>> approximately once every 10 seconds.
>>> Hostap is 0.1.2.
> I have this problem in one box where i using bridge with ebtables patch
> and imq device. I have found that this is imq device related problem. It
> sometimes forgot to use dev_put() after dev_hold(). What is your setup ?
I am not using the IMQ device, nor the bridge, much less ebtables. The
kernel is not patched with anything.
Vaclav Dvorak <vdvo at vdvo.net>
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