From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8CA2C43334 for ; Sat, 16 Jul 2022 12:10:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229780AbiGPMKL (ORCPT ); Sat, 16 Jul 2022 08:10:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229479AbiGPMKK (ORCPT ); Sat, 16 Jul 2022 08:10:10 -0400 Received: from kylie.crudebyte.com (kylie.crudebyte.com [5.189.157.229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C096E1C10A; Sat, 16 Jul 2022 05:10:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=crudebyte.com; s=kylie; h=Content-Type:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Content-ID:Content-Description; bh=lJTkwXl58eYaowLrV3xUdNnwzw+6NT69JaoxraY3mBY=; b=EI8+37YJtaHw2wjXMeukbElhHY 95/ctztpHGoQTXmbqAR0/v7cSXqfxTNFX//TOvzcUebMkZ9goDvpW5orqXj54fAry481+YAuDJYZq 1oMj+efpwDHbm8Fvb7SmGdeO9ARNZa0vJcdPf0IAHnmBIyUzXECOiHSc5xP8PMvZG5F1WuTKbIzyM NwRbdwYAa1MEtwDyy2KcquqArpoQBZCSbNdxesLLXW8rBtt1bDOk1XxY6F5Ojw1lSz9hUs1k1AqRm 7YnWhoYBpPRooOJskYtnF4kbcS4zew3aoji6/EIe3WhZnEsu+mgDvaTMDNpQjtsCvhzyRINcqc8hq wUnG8SlsLBLwwfeJ65BqkBpHKt4afFBbXLODh3dmCQWRmnk5VzeSHu5uiIdm66rJ+ixkoDOGebfPk ZvAlvW1r3mjeKDujNmV1885cZAi0q8IwisA+zT9JAWHDC2ZeVJtmUwM52qDFpmt9y1RUh9vPx261Y LdFQeQ0VCSs5V6QVcivI6D2Oguhqgj0vovOeMotQE1xIb4hb9km0sBQmnTgp97xZTOjcRMchoX/Vs hBwOp2mRf1wXBESrKBfOdnR79KLwHIA3qeProu40jCVWAIUxpMVGOI0lFIofv2omNLDT/KTA3MS66 MIA9tXK/95vtGoPDJ+r3LS4+x3drHNEyD4Ex0Z5ws=; From: Christian Schoenebeck To: Dominique Martinet Cc: v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Eric Van Hensbergen , Latchesar Ionkov , Nikolay Kichukov Subject: Re: [PATCH v6 00/11] remove msize limit in virtio transport Date: Sat, 16 Jul 2022 14:10:05 +0200 Message-ID: <4065120.gss6piHCF5@silver> In-Reply-To: References: <6713865.4mp09fW1HV@silver> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Samstag, 16. Juli 2022 13:54:08 CEST Dominique Martinet wrote: > Christian Schoenebeck wrote on Sat, Jul 16, 2022 at 11:54:29AM +0200: > > > Looks good to me, I'll try to get some tcp/rdma testing done this > > > weekend and stash them up to next > > > > Great, thanks! > > Quick update on this: tcp seems to work fine, I need to let it run a bit > longer but not expecting any trouble. > > RDMA is... complicated. > I was certain an adapter in loopback mode ought to work so I just > bought a cheap card alone, but I couldn't get it to work (ipoib works > but I think that's just the linux tcp stack cheating, I'm getting unable > to resolve route (rdma_resolve_route) errors when trying real rdma > applications...) > > > OTOH, linux got softiwarp merged in as RDMA_SIW which works perfectly > with my rdma applications, after fixing/working around a couple of bugs > on the server I'm getting hangs that I can't reproduce with debug on > current master so this isn't exactly great, not sure where it goes > wrong :| > At least with debug still enabled I'm not getting any new hang with your > patches, so let's call it ok...? Well, I would need more info to judge or resolve that, like which patch exactly broke RDMA behaviour for you? > I'll send a mail to ex-collegues who might care about it (and > investigate a bit more if so), and a more open mail if that falls > short... > > -- > Dominique