From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-x22d.google.com (mail-lb0-x22d.google.com [IPv6:2a00:1450:4010:c04::22d]) (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 B45BF21F310; Tue, 2 Sep 2014 11:28:35 -0700 (PDT) Received: by mail-lb0-f173.google.com with SMTP id c11so8120316lbj.32 for ; Tue, 02 Sep 2014 11:28:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:mime-version:content-type:from:in-reply-to:date:cc :message-id:references:to; bh=liN5y/vmD6hJrWb1gG2TEA+FbdPJV6HGlBfvWz4n3TQ=; b=cEbe/+jUbeYpfi08ERozBRpXP9EQiBXfCrLKJyVQtLnUI2SVrfG3iuSdKYrWTcvWf/ Rgrr7ZUm/THpEoQMU3/1tqOC68QPIzMLj57HUdMvpnSrk2Xodu4IwLKjNXmUbHy3un7Z RCE3kjuxCxSX7Po6d8s6X2yudQG2sRjlmW0rfzvB7JK3EA/W+IPAfzt9u+gtodyEaGm5 gUiIfY16JDOsDatIUcM2LtwMfNQofzHKRsibYlG/oTYW6dYKJVYOLC3fUpBvRipKPH2t UektMJXlzxbKdCIBXTmBFTo2BJuZRPmK9Y4awEsqiQXnS59fvPLbVzlI4rrY48AEf8Xk 6IZA== X-Received: by 10.152.23.131 with SMTP id m3mr12096109laf.8.1409682513404; Tue, 02 Sep 2014 11:28:33 -0700 (PDT) Received: from bass.home.chromatix.fi (178-55-226-0.bb.dnainternet.fi. [178.55.226.0]) by mx.google.com with ESMTPSA id x1sm2939570lal.19.2014.09.02.11.28.29 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 02 Sep 2014 11:28:30 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: multipart/mixed; boundary=Apple-Mail-4--268905290 From: Jonathan Morton In-Reply-To: Date: Tue, 2 Sep 2014 21:28:27 +0300 Message-Id: References: <87ppfijfjc.fsf@toke.dk> <4FF4917C-1B6D-4D5F-81B6-5FC177F12BFC@gmail.com> <4DA71387-6720-4A2F-B462-2E1295604C21@gmail.com> <0DB9E121-7073-4DE9-B7E2-73A41BCBA1D1@gmail.com> <7D8C9C42-43E7-431E-B237-84B0937C81A0@gmail.com> <512BEEE6-C5E8-442E-A65D-27F91BCC7936@gmail.com> To: Dave Taht X-Mailer: Apple Mail (2.1085) Cc: "cerowrt-devel@lists.bufferbloat.net" , bloat Subject: Re: [Bloat] Comcast upped service levels -> WNDR3800 can't cope... X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Sep 2014 18:28:36 -0000 --Apple-Mail-4--268905290 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 2 Sep, 2014, at 8:41 pm, Dave Taht wrote: > unfortunately you may need to initialize things correctly with > netdev_reset_queue in the appropriate initialization or > recovery-from-error bits. >=20 > (this is the part that tends to be tricky) I poked around a bit and found that gem_clean_rings() seems to be called = from everywhere relevant, including from gem_init_rings() and = gem_do_stop(). I was therefore able to add a single call there. I've taken the other suggestion at face value. > Do you have a before/after test result? At gigabit link speeds, there seems to be no measurable difference - the = machine just isn't capable of filling the buffer fast enough. I have = yet to try it at slower link rates. --Apple-Mail-4--268905290 Content-Disposition: attachment; filename=sungem-bql.patch.gz Content-Type: application/x-gzip; name="sungem-bql.patch.gz" Content-Transfer-Encoding: base64 H4sIAHcKBlQAA41UbW+bSBD+jH/FqFIrCOAAcf3aWGmbXFql5w+pq4vUVisMY7ICFo5dUkdV//vN LthxrvfhkGyWnZfneWZm1/d9KLhod/7ZMBwPg9O04Q/YyFOB6hTVPTZ6IVuhfxmWw8SKgnDkB1M/ GEEQzqPX8yAaBvsH3OAsCAau6x6nDf932pkfRBCF83A0fx0Nw2g6m03H42mf9uIC/PFo5I3B1a8J XFwMQKpY8QQY44IgkTF4qHgKlJWpnS1V0yYKCI6l+MAThBN6e9DvkxecZLUH7VlkQnS2VjoD+DkA iwsFKFTz6JGakqvFwLVaIXkmMAVtTKqyZnWu5HngdR+bR4X0tRgAxZtYOIes9pdqx6oipX3LpKJd 234ChFdwfXt1zT6v367Z+m5168By+a8t9vnDxz/WzqIrw2RsyjCZ9GWwrF/6r4eS+UZ+NfDfCWn1 5dMnjWyRdH+pEeWQnAxXcM+BvP1lgULrs55kPDdpQda2asDeNnFGWYMFmNUb48XkPRfbyqal4y9F w7RNdi6u65h6WpbapRT5SrPkgiu2Kaok14zTnm2vbjrxwpDkTWdeOOr1Hcq5urrTFbHNt7PotR+4 63647n/oreMkx2MbSyoh2xJ1uVgsHg15bdSlfGoaQRqohQGhUepCy7pAhSn7u8UWbTNVB/zjaaCM LuU7PYEV0tyoCso4R6BTAH3+tk5jhfDAJd8UqD36yWgU29Gw2DSPFpzABqn+CMk9JjkXGehuEB2+ 7ThQRFXXmNrOEOAvru6rVmmYLrjEsqLybeKm4dh42kC5uIQYZBkXBdSVJHxecPVIxlj9TkK3JgyD iZ68MAwjb9a1hm/B7niUMqNT19FJ7ax2NHOrbuiw5PbN1e2KXV69+3INL17KOamHzpGOY1EpeKkX OVVA0PKbeOHpWOge00kRl+jtT+R+Mk15D22RZD3uyDMvsMqNbRr8o+EKC7vvscAfnjmkDWY09bC+ u/zzLbv5+P5GO3eyxyRXyx5HgTfdT6RGzLcN/j5BZoR+HTNrUOKemsaiPe2pJ3d/hx0uLnM2qGiZ tJ9fVM7gHwclQfCyBQAA --Apple-Mail-4--268905290 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii - Jonathan Morton --Apple-Mail-4--268905290--