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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