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 5C66C3B2A4 for ; Sun, 3 Jun 2018 19:26:14 -0400 (EDT) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=toke.dk; s=20161023; t=1528068373; bh=noisQnB2ZcnuLGqWWpxpQMhzniQosB1Jx2oqGvylnoU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=eCTZxm9jrTSBnINg7K7GapIRjfbwlphqWi2kLe4PoKxekHatGrDyq81R7YVMl3g5a cte4yj+vAshWMbYgt5ToOIooZ9X9n0b76BGxSIDHnYaUjFqdZ2faBNtowo/nh/1HCV coJobNR3RQZmLuSXHpOgF2Ex1pjUuMukXi9gSDv4dqrrVUlofKr8fSltLm3UlCxw5y T42zRnd0y1iQG5auN5BSkOWSOcznTYlQ1CbLGb4pT8eg7WsewEJiKIeNW1BliL19bN iyqZo7lq9/3R4h55zFKWQbgh5uah/ExkCCoY0C0Kof49CyiFgHAFr7iel+Peb/9tjt mENg6HTR9DHFg== To: Georgios Amanakis , Dave Taht Cc: Cake List In-Reply-To: <55f626e4c3e0bf56321f9991fd0693d0ef08a66a.camel@gmail.com> References: <87muwe9z7j.fsf@toke.dk> <87k1ri9yve.fsf@toke.dk> <877enimhuh.fsf@toke.dk> <9A273CA6-FDF6-485D-B466-8B01D4573BD9@gmail.com> <871sdqmg8l.fsf@toke.dk> <87a7sdcan1.fsf@toke.dk> <877enhc7o0.fsf@toke.dk> <55f626e4c3e0bf56321f9991fd0693d0ef08a66a.camel@gmail.com> Date: Mon, 04 Jun 2018 01:26:19 +0200 X-Clacks-Overhead: GNU Terry Pratchett Message-ID: <87602zh2p0.fsf@toke.dk> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Cake] Lockup at high speeds 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: Sun, 03 Jun 2018 23:26:14 -0000 Georgios Amanakis writes: > I am trying to reproduce this with veth to no avail. > I compiled a net-next kernel with Toke's configuration, and simplified > veth to only a client and a server. Hmm. Guess it may only be triggered by the way the mlx5 driver calls transmit, or something? Guess I'll have to go back and check once I get some spare cycles on that machine... Thanks for testing! -Toke