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Date:      Mon, 24 May 2010 14:09:46 -0700
From:      Weongyo Jeong <weongyo.jeong@gmail.com>
To:        Gustau P??rez <gperez@entel.upc.edu>
Cc:        Ian FREISLICH <ianf@clue.co.za>, current@freebsd.org
Subject:   Re: Call for Test and Review: bwn(4) - another Broadcom Wireless driver
Message-ID:  <20100524210945.GE1295@weongyo>
In-Reply-To: <4BF54F93.9000409@entel.upc.edu>
References:  <20100303082833.GB22865@weongyo> <20100303111014.6564ea1e.ray@dlink.ua> <20100312231333.GZ1295@weongyo> <4BD2201E.3090409@entel.upc.edu> <20100424231755.GI65380@weongyo> <4BD4A928.8020901@entel.upc.edu> <20100506190653.GA31100@weongyo> <58220.88.15.97.205.1273248485.squirrel@webmail.entel.upc.edu> <20100510195622.GA1295@weongyo> <4BF54F93.9000409@entel.upc.edu>

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On Thu, May 20, 2010 at 05:04:51PM +0200, Gustau P??rez wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> En/na Weongyo Jeong ha escrit:
> > On Fri, May 07, 2010 at 06:08:05PM +0200, Gustavo Perez Querol wrote:
> >>> Hello Gustau, I'm so sorry for belated response that I had no time to
> >>> read and work email and wireless stuffs.
> >>>
> >>> Could you please test this symptom with attached patch?  It looks in
> >>> CURRENT it missed to initialize a ratectl when it associates with AP.
> >>>
> >>   The patch made the machine to panic. I think it happened when launching
> >> the supplicant. In fact, right now it works by putting the RF switch to
> >> OFF. As soon as I change it to ON the machine panics.
> >>
> >>   It get a trap 12, with two reasons : page fault and "bufwrite, buffer is
> >> not busy?"
> >>
> >>   I'm running 9.0/AMD64 from 1 of May (don't know exact svn revision).
> >>
> >>   Do you want me to test anything else ?
> >
> > OK.  The patch is ready to test.  Could you please test it with attached
> > patch?
> >
> > regards,
> > Weongyo Jeong
> >
>    I've just updated to FreeBSD 8.1 PRERELEASE and I see the
> unsupported rate problem again. I applied the patch for CURRENT and it
> works. So I guess the patch was not MFC in the 8.1 branch.

It's MFCed today.

>    However it still works slow (betwenn 200 and 300 kbytes/s). I tried
> using a rum dongle with the same AP (which is a 8.0-STABLE system with
> an Atheros card) and works great when uploading (2Mb sustained).

Umm.  I have no clue why this is happened currently.  When I found any
hints I'll let you know.  Thank you.

>    In my laptop I see now messages like these :
> 
>             bwn0: RX decryption attempted (old 0 keyidx 0x1)

You could ignore this messages because bwn(4) doesn't support H/W crypto
and it looks it's harmless.

>    If you want me to try anything, let me know.

Regards,
Weongyo Jeong




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