[patch] iwi(4) watchdog broken

[Mitsuru IWASAKI]

Hi,

> > Yap, ifconfig wlan0 scan on RELENG_8 always reproduce 'firmware stuck
> > in state 4, resetting'.
> 
> Ah, yeah, ok, the scan issue again, that is probably the reason why
> background scan support is disabled..

Yes it seems to be.  On the other hand, the `device timeout' was
produced when a microwave oven is operating, but it occurs rarely
and difficult to debug.  I could see `device timeout' on only RELENG_8...


> > I wonder if only RELENG_8 has this problem because HEAD and RELENG_9
> > seems to be OK...
> 
> wpa_supplicant involved? I mean, that is the only thing I can

Yes, I'm using wpa_supplicant.

> currently think of, wpa_supplicant versions differ between head and 8
> afaik. The callgraph is also different between with and without
> supplicant. Can we rule the supplicant out somehow?
> 
> I mean this condition in ieee80211_start_locked()
>         if ((parent->if_drv_flags & IFF_DRV_RUNNING) &&
>             vap->iv_roaming != IEEE80211_ROAMING_MANUAL) {

Hmm, I can't get this. wpa_supplicant on HEAD and RELENG_9 also set
roaming mode MANUAL, isn't it?

Thanks!