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Date:      Tue, 9 Sep 2014 12:33:04 +0800
From:      Kevin Lo <kevlo@FreeBSD.org>
To:        Thiago Farina <tfransosi@gmail.com>
Cc:        "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org>, Nathan Whitehorn <nwhitehorn@freebsd.org>
Subject:   Re: Issues with urtwn
Message-ID:  <20140909043304.GA18643@ns.kevlo.org>
In-Reply-To: <CACnwZYcTJFncV7p_1hVKi=QCuHz%2BzRxE70sKs89d8B=vOBkMKw@mail.gmail.com>
References:  <540C751F.6050202@freebsd.org> <CACnwZYfK_F4KnzsbrWnZS3sPB22HJ=v03VuhOTfFa8usFy_45w@mail.gmail.com> <CAJ-Vmonrxc2CY%2BLsY4jeh19MbELxDcP6iHXGCyogV_9H6%2BnwOw@mail.gmail.com> <CACnwZYcTJFncV7p_1hVKi=QCuHz%2BzRxE70sKs89d8B=vOBkMKw@mail.gmail.com>

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On Mon, Sep 08, 2014 at 12:16:53PM -0300, Thiago Farina wrote:
> 
> On Sun, Sep 7, 2014 at 11:36 PM, Adrian Chadd <adrian@freebsd.org> wrote:
> > Hi,
> >
> > On 7 September 2014 19:16, Thiago Farina <tfransosi@gmail.com> wrote:
> >> On Sun, Sep 7, 2014 at 12:09 PM, Nathan Whitehorn
> >> <nwhitehorn@freebsd.org> wrote:
> >>> I've been having some issues with connection stability in urtwn for several
> >>> months. The usual symptom is that after some period of time the connection
> >>> will apparently stall. If I'm running ping continuously, for instance, it
> >>> will at some point stop receiving replies. Then, sometime later, immediately
> >>> if I use the "reassociate" command in wpa_cli, the connection will fix
> >>> itself and all the packets I didn't get earlier get delivered at once:
> >>> hundreds of ping replies, for instance, some with time stamps minutes in the
> >>> past. No data is actually lost, though.
> >>>
> >>> I think the issue is that the driver does not actually support powersave
> >>> mode (maybe it should?) but reports to the AP that it does:
> >>>
> >>>> ifconfig wlan0 list sta (this is on the AP)
> >>> ADDR               AID CHAN RATE RSSI IDLE  TXSEQ  RXSEQ CAPS FLAG
> >>> 80:1f:02:cc:47:a9    1   11  11M  8.5    0   5526  55712 EPS AE      RSN
> >>>
> >>> I don't know enough about wireless to fix this, but the AP waiting for a
> >>> powersave poll and never getting one seems consistent with the problem.
> >>
> >> I think what you are relating here is what I observed recently too.
> >> Sorry, I'm new to FreeBSD. Just installed it recently, and I noticed
> >> that after I left it idle (I went to do something for some hours) for
> >> some time it lost the connection. Only rebooting makes it connect
> >> again to my network.
> >
> > Which NIC are you seeing this on?
> >
> Mine is urtwn0: Realtek RTL8187L from my Gateway laptop.

Typo?  urtw(4) supports Realtek RTL8187L, not urtwn(4).

> --
> Thiago Farina

	Kevin



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