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Date:      Sat, 7 Feb 2009 07:44:19 +0100
From:      Szilveszter Adam <sziszi@bsd.hu>
To:        freebsd-current@freebsd.org
Subject:   Re: iwi broken? reproducible crash :(
Message-ID:  <20090207064418.GA2686@baranyfelhocske.buza.adamsfamily.xx>
In-Reply-To: <792298050902061403o5adc52ddx3b6a476a78e5c230@mail.gmail.com>
References:  <792298050902061142k33f35be7sb19d566835e796ad@mail.gmail.com> <20090206205456.GA60974@baranyfelhocske.buza.adamsfamily.xx> <792298050902061403o5adc52ddx3b6a476a78e5c230@mail.gmail.com>

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On Fri, Feb 06, 2009 at 05:03:08PM -0500, L Campbell wrote:
> Since you're offering -- back on 7.x I had all kinds of problem with
> the adapter: I had to double the send/recvbuf_max and had to disable
> bgscan, otherwise the connection would die after ~6-12 hours,
> depending on usage. Did you ever have similar issues, or is something
> wonky with my machine?

Well, my experience varied with time and also with the AP used. I had no
real problems with a Linksys WRT54G with original firmware v2.2. And
this in spite of the fact that there are walls made of concrete in this
flat. By contrast, I *did* have major problems with an SMC AP, but that
may have just as well been the AP, because a ral(4) based card also made
a poor showing there (even under windows in another machine). I most
certainly did not have to change the send/recvbuf_max. I did not recall
real issues with bgscan either (although I tried to turn it off with the
SMC AP, but that did not help). However, I never tried roaming in any
configuration, and there never were more APs working at the same time.
Also, I use WPA2 and configured the card to very specifically scan for,
and associate with, only the one AP that I was using, so scanning may not
have been such a bother.

> I'll see if I can't grab some more hardware to test with to rule out
> hardware failure or a broken install on my part.

I would have also suggested wlandebug. Also, if you use wpa_supplicant,
you can use the -d switch to get debug output. To be honest, I did not try
enabling the debugging under iwi, so have no experience if it works.
Will try it just for kicks, and report back if it also panics for me.

-- 
Regards:

Szilveszter ADAM
Budapest
Hungary



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