Date: Tue, 03 Apr 2012 22:12:45 +0900 (JST) From: Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org> To: bschmidt@freebsd.org Cc: freebsd-wireless@freebsd.org Subject: Re: [patch] iwi(4) watchdog broken Message-ID: <20120403.221245.92588443.iwasaki@jp.FreeBSD.org> In-Reply-To: <CAAgh0_YC1F11r%2B-VmMS3rjdMa6OOW7UzEXjo=UyNac=WEnMr9w@mail.gmail.com> References: <CAAgh0_ZuJ_dG-r7QnLRJ-NX8Ejmt1DpBehgYOMv-pt_tT4K0Yg@mail.gmail.com> <20120403.211212.59463568.iwasaki@jp.FreeBSD.org> <CAAgh0_YC1F11r%2B-VmMS3rjdMa6OOW7UzEXjo=UyNac=WEnMr9w@mail.gmail.com>
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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!
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