ural(4) deassociates if no activity (possible wpa_supplicant problem)

[Niki Denev]

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Hello,

I've noticed something very interesing while using a ural(4) usb wifi device.

When i plug the usb device, and there is absolutely no network activity, exactly
after five minutes the device deassociates from the access point.

I've put some debug printf's in ural_newstate and when i plug the device,
i get several IEEE80211_S_SCAN state changes,
then i gets from IEEE80211_S_AUTH to ASSOC and then RUN.
Nothing wrong here, but exactly after five minutes of no activity (measured
with stopwatch) i get a state transition from IEEE80211_S_RUN to IEEE80211_S_AUTH
and it stays that way, until i remove/insert the device again or send HUP to
wpa_supplicant and restart dhclient.

This looks maybe like wpa_supplicant problem, and i think i've had similar problems with
ath(4) mini-pci card and card bus ral(3), but as far as i remember the period of
inactivity was much greater with them (i'll try to test this on these cards too when
i have access to them again)


Regards,
- --niki
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