Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752181AbdHHLzR (ORCPT ); Tue, 8 Aug 2017 07:55:17 -0400 Received: from outbound-smtp08.blacknight.com ([46.22.139.13]:32951 "EHLO outbound-smtp08.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751974AbdHHLzO (ORCPT ); Tue, 8 Aug 2017 07:55:14 -0400 Date: Tue, 8 Aug 2017 12:55:12 +0100 From: Mel Gorman To: Ming Lei Cc: Paolo Valente , Christoph Hellwig , Jens Axboe , Linux Kernel Mailing List , linux-block Subject: Re: Switching to MQ by default may generate some bug reports Message-ID: <20170808115512.zjcrpn4tiljomtrw@techsingularity.net> References: <1B2E3D98-1152-413F-84A9-B3DAC5A528E8@linaro.org> <20170803110144.vvadm3cc5oetf7up@techsingularity.net> <4B181ED1-8605-4156-9BBF-B61A165BE7F5@linaro.org> <20170804110103.oljdzsy7bds6qylo@techsingularity.net> <34B4C2EB-18B2-4EAB-9BBC-8095603D733D@linaro.org> <70979B37-6F91-49C3-9C77-CB3364035DDF@linaro.org> <20170808103023.2b2tks5y5lniuq2k@techsingularity.net> <20170808112711.om7z6djl6igsuvnm@techsingularity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170421 (1.8.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1451 Lines: 38 On Tue, Aug 08, 2017 at 07:49:53PM +0800, Ming Lei wrote: > On Tue, Aug 8, 2017 at 7:27 PM, Mel Gorman wrote: > > On Tue, Aug 08, 2017 at 06:43:03PM +0800, Ming Lei wrote: > >> Hi Mel Gorman, > >> > >> On Tue, Aug 8, 2017 at 6:30 PM, Mel Gorman wrote: > >> .... > >> > > >> > o I've queued a subset of tests with Ming's v3 patchset as that was the > >> > latest branch at the time I looked. It'll take quite some time to execute > >> > as the grid I use to collect data is backlogged with other work > >> > >> The latest patchset is in the following post: > >> > >> http://marc.info/?l=linux-block&m=150191624318513&w=2 > >> > >> And you can find it in my github: > >> > >> https://github.com/ming1/linux/commits/blk-mq-dispatch_for_scsi.V4 > >> > > > > Unfortunately, the tests were queued last Friday and are partially complete > > depending on when machines become available. As it is, v3 will take a few > > days to complete and a requeue would incur further delays. If you believe > > the results will be substantially different then I'll discard v3 and requeue. > > Firstly V3 on github(never posted out) causes boot hang if CPU cores is >= 16, > so you need to check if the test is still running, :-( > By co-incidence, the few machines that have completed had core counts below this so I'll discard existing results and requeue. Thanks. -- Mel Gorman SUSE Labs