From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.toke.dk (mail.toke.dk [IPv6:2001:470:dc45:1000::1]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 05A723BA8E for ; Mon, 2 Jul 2018 17:35:08 -0400 (EDT) Date: Mon, 02 Jul 2018 23:35:08 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=toke.dk; s=20161023; t=1530567308; bh=n+zZ5GYqSfgcvdJrNv9YFCLA/BmUxubcpJGSPsfFZYQ=; h=Date:In-Reply-To:References:Subject:To:CC:From:From; b=d2IdRq450fjWZ4NsRg0arxkU8401nCE/JDG3ZH7sbvVs96/J24MIfVL1LnC+Qhxvw +BCs0iS93iWwGhOkFPpm40KF84voK0ndzIpUMeTVhU2C+VKPgu2c3UiyApUrKC3ssW UfGti8Sx6qgF1bigteMFLqOK0m05BjtFYhMfrA2PqSo8OSUEg5YdtoCYvIzBLCF7Zz l/tw87ECwx0MfYlXuCTAWvqjK/pquZCIQzeQM1gDTWrM3Ki19s1UlLe4jnKkPq3eRO DFkVFQsB4vqoHBxF9Wlbgvioopz5d+e80CildNNSmIog4jc9ziwdS8z3+Z165O1L3X 7UB86osU0rTbQ== In-Reply-To: <52B2B44D-4382-404C-8F6D-03F12A72B11F@heistp.net> References: <6FE8D434-01BE-41A1-BD6B-EFFD67AC8784@heistp.net> <94C9790F-E9BC-4D59-9845-17C305E4B910@darbyshire-bryant.me.uk> <17AF79A0-0213-44E3-95B9-62795A644A47@heistp.net> <87lgatj13k.fsf@toke.dk> <87fu11ipir.fsf@toke.dk> <871scligay.fsf@toke.dk> <2AE036E5-BD3D-4176-9476-9EC824EC1D18@darbyshire-bryant.me.uk> <87r2klh1fz.fsf@toke.dk> <87lgath01v.fsf@toke.dk> <52B2B44D-4382-404C-8F6D-03F12A72B11F@heistp.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable To: Pete Heist CC: Dave Taht ,Cake List From: =?ISO-8859-1?Q?Toke_H=F8iland-J=F8rgensen?= X-Clacks-Overhead: GNU Terry Pratchett Message-ID: <31667353-48F2-4FAB-AC05-163680451719@toke.dk> Subject: Re: [Cake] cake at 60gbit X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Jul 2018 21:35:09 -0000 On 2 July 2018 23:16:26 CEST, Pete Heist wrote: > > >> On Jul 2, 2018, at 10:09 PM, Toke H=C3=B8iland-J=C3=B8rgensen >wrote: >>=20 >> Dave Taht writes: >>=20 >>> OK, so, like, changing the topic=2E=2E=2E >>>=20 >>> has anyone been able to duplicate toke's crash at >40gbit speeds? >>=20 >> I haven't gotten around to looking at that yet, but am planning to >later >> this week (I'll be without reliable internet for a few days, so can't >> do remote experiments until a few days from now)=2E > >I haven=E2=80=99t reproduced it and not sure I can, but a few questions j= ust in >case: > >- what=E2=80=99s the MTU of the interface, 9000 for jumbo frames? 1500 bytes=2E No jumbo frames involved=2E >- when you add the cake qdisc is it with any parameters? Nope >- how long does it usually take before it locks up, and when doing >what? Not very long - a few seconds at most=2E Other threads will spin waiting f= or the qdisc lock=2E -Toke