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Date:      Sat, 6 Oct 2012 11:17:42 +0700
From:      Victor Sudakov <vas@mpeks.tomsk.su>
To:        freebsd-questions@freebsd.org
Subject:   Re: a wireless network freezes the machine?
Message-ID:  <20121006041742.GA83727@admin.sibptus.tomsk.ru>
In-Reply-To: <20121001053959.GB94245@admin.sibptus.tomsk.ru>
References:  <20120928155059.GA60368@admin.sibptus.tomsk.ru> <20121001053959.GB94245@admin.sibptus.tomsk.ru>

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Victor Sudakov wrote:
> 
> > 
> > Is it possible that wpa_supplicant or some other part of the WiFi
> > setup causes the hangs? Nothing else has changed in the system besides
> > its role from the access point to a WiFi client.
> 
> Actually, kern/170066 may be related, but it's different hardware and
> in my case, the box does not freeze immediately at wpa_supplicant's
> start, though it does freeze eventually, especially if there is some
> load on the video subsystem (Intel SandyBridge with the recent
> x11-drivers/xf86-video-intel) like watching a movie.

Now after a period of observation I am sure that it is the
wpa_supplicant which freezes the machine.  And this happens only when
wpa_supplicant cannot associate with a configured access point.

If the access point is online and available, everything works fine for
hours. 

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov@sibptus.tomsk.ru



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