From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yk0-x22e.google.com (mail-yk0-x22e.google.com [IPv6:2607:f8b0:4002:c07::22e]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id C4E7421F21E for ; Fri, 28 Mar 2014 11:04:28 -0700 (PDT) Received: by mail-yk0-f174.google.com with SMTP id 20so3988085yks.33 for ; Fri, 28 Mar 2014 11:04:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=nR7Y7wLjQMicmVR7dH8heqvduaCttGJ8Jp8NyghLQfA=; b=YxQSLKNj43sE10BGo4HVOG7hsEIfRXZW64Nk5tEXu7Z+e4D+cAOBKWwZHXhyzFk84R lqFSUHGsnZhZfeR07IWUo4ZfAwVQBMXeAKTTivWk0jpfVKdZIIppg1DXciryJczBhxIU z2CfN2+F9WQZSskYI6vaErh6D7PoKwq3uAlmEtdYZKrCeqRAFmm+6XbBy7DVKcciMzpE pb9wcKvtwiP6/ebvJzoPDfEk6wVmgAFDaJbegnDTqQszAriFVJXJ56wQPKMINpS3Wq0o Je6lWbKnOnM/XrQnpaQbvEj7k3pmptqQsaFBz29a8awLCPWL5rBGu5/uL0HQ6Fry1qrK 2Mcw== X-Received: by 10.236.26.72 with SMTP id b48mr13653654yha.59.1396029867523; Fri, 28 Mar 2014 11:04:27 -0700 (PDT) MIME-Version: 1.0 Received: by 10.170.47.78 with HTTP; Fri, 28 Mar 2014 11:04:07 -0700 (PDT) In-Reply-To: References: <87a9cada0l.fsf@alrua-x1.karlstad.toke.dk> From: David Personette Date: Fri, 28 Mar 2014 14:04:07 -0400 Message-ID: To: Aaron Wood Content-Type: multipart/alternative; boundary=089e0149529659851904f5ae88b8 Cc: "cerowrt-devel@lists.bufferbloat.net" Subject: Re: [Cerowrt-devel] Issues with 5ghz after a couple of days' uptime X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Mar 2014 18:04:29 -0000 --089e0149529659851904f5ae88b8 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable I had complete failure to respond on 3.10.32-10 and -11 after less than a hour of uptime. I was assuming that it was due to my keeping the configuration files, and that something had changed in OpenWRT head and/or dnsmasq. I didn't have time to do another merge at the time, and had just flashed back to 3.10.32-9. When 3.10.32-12 came out I checked the files, and didn't find any issues with the configuration files. I also haven't had any more hangs. I have ipv6 through he, and syn flood protection turned on. No issues to date with -12. --=20 David P. On Fri, Mar 28, 2014 at 12:51 PM, Aaron Wood wrote: > As a contra-datapoint: > > 4d uptime here, but without any ipv6. A couple GB of data, both > WAN<->internal, and between 5GHz devices (pushing to an AppleTV). No rea= l > traffic between 2.4 and 5GHz, though. > > WPA2 on all interfaces (babel and guest interfaces are disabled). > > -Aaron > > On Fri, Mar 28, 2014 at 5:39 PM, Dave Taht wrote: > >> This sounds like the problem jim gettys is having on 2.4ghz. It takes >> 1+ days to happen. We've ruled out ipv6 tunneling and syns as the >> cause... he is presently running without syn flood, ipv6, and now WPA >> support in the hope that that's a cause (there is a fix for WPA stuff >> in 3.10.34 pending) >> >> are you using WPA? >> >> taking a long term packet capture seems worthwhile. >> >> >> On Fri, Mar 28, 2014 at 1:04 AM, Toke H=C3=B8iland-J=C3=B8rgensen >> wrote: >> > So I've had a strange issue with the 5ghz network on my wndr after a f= ew >> > days' uptime: Packets stopped getting through on the 5ghz network. I.e= . >> > clients already connected could no longer connect to anything, and >> > trying to connect a new client resulted in the wlan association >> > succeeding, but the clients failing to get a DHCP lease. >> > >> > There's nothing in the logs to indicate what might be wrong (no DMA >> > errors or anything like that). 'logread' shows dnsmasq receiving and >> > replying to DHCP requests, but the answers never reach the clients. >> > >> > Restarting the wireless (i.e. running 'wifi') fixed it. >> > >> > Any ideas? I'm on 3.10.32-12(ish). Built from git commit >> > 9bbc728cb7508dce24c480ac63d6e4f63d5c02f5 from the cerowrt-3.10 repo. := ) >> > >> > -Toke >> > >> > _______________________________________________ >> > Cerowrt-devel mailing list >> > Cerowrt-devel@lists.bufferbloat.net >> > https://lists.bufferbloat.net/listinfo/cerowrt-devel >> > >> >> >> >> -- >> Dave T=C3=A4ht >> >> Fixing bufferbloat with cerowrt: >> http://www.teklibre.com/cerowrt/subscribe.html >> _______________________________________________ >> Cerowrt-devel mailing list >> Cerowrt-devel@lists.bufferbloat.net >> https://lists.bufferbloat.net/listinfo/cerowrt-devel >> > > > _______________________________________________ > Cerowrt-devel mailing list > Cerowrt-devel@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cerowrt-devel > > --089e0149529659851904f5ae88b8 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I had complete failure to respond on 3.10.32-10 and -= 11 after less than a hour of uptime. I was assuming that it was due to my k= eeping the configuration files, and that something had changed in OpenWRT h= ead and/or dnsmasq. I didn't have time to do another merge at the time,= and had just flashed back to 3.10.32-9.

When 3.10.32-12 came out I checked the files, and didn't find= any issues with the configuration files. I also haven't had any more h= angs. I have ipv6 through he, and syn flood protection turned on. No issues= to date with -12.

--
David P.



On Fri, Mar 28, 2014 at 12:51 PM, Aa= ron Wood <woody77@gmail.com> wrote:
As a contra-datapoint:

4d uptime = here, but without any ipv6. =C2=A0A couple GB of data, both WAN<->int= ernal, and between 5GHz devices (pushing to an AppleTV). =C2=A0No real traf= fic between 2.4 and 5GHz, though.

WPA2 on all interfaces (babel and guest interfaces are disab= led).

-Aaron

On Fri, Mar 28, 2014 at 5:39 PM, Dave Taht <= span dir=3D"ltr"><dave.taht@gmail.com> wrote:
This sounds like the problem jim gettys is h= aving on 2.4ghz. It takes
1+ days to happen. We've ruled out ipv6 tunneling and syns as the
cause... he is presently running without syn flood, ipv6, and now WPA
support in the hope that that's a cause (there is a fix for WPA stuff in 3.10.34 pending)

are you using WPA?

taking a long term packet capture seems worthwhile.


On Fri, Mar 28, 2014 at 1:04 AM, Toke H=C3=B8iland-J=C3=B8rgensen <toke@toke.dk> wrote: > So I've had a strange issue with the 5ghz network on my wndr after= a few
> days' uptime: Packets stopped getting through on the 5ghz network.= I.e.
> clients already connected could no longer connect to anything, and
> trying to connect a new client resulted in the wlan association
> succeeding, but the clients failing to get a DHCP lease.
>
> There's nothing in the logs to indicate what might be wrong (no DM= A
> errors or anything like that). 'logread' shows dnsmasq receivi= ng and
> replying to DHCP requests, but the answers never reach the clients. >
> Restarting the wireless (i.e. running 'wifi') fixed it.
>
> Any ideas? I'm on 3.10.32-12(ish). Built from git commit
> 9bbc728cb7508dce24c480ac63d6e4f63d5c02f5 from the cerowrt-3.10 repo. := )
>
> -Toke
>
> _______________________________________________
> Cerowrt-devel mailing list
> Cerowrt-devel@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/cerowrt-devel
>



--
Dave T=C3=A4ht

Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscrib= e.html
_______________________________________________
Cerowrt-devel mailing list
Ce= rowrt-devel@lists.bufferbloat.net
https://lists.bufferbloat.net/listinfo/cerowrt-devel


_______________________________________________
Cerowrt-devel mailing list
Cerowrt-devel@lists.= bufferbloat.net
https://lists.bufferbloat.net/listinfo/cerowrt-devel


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