From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonsoo Kim Subject: Re: n900 in next-20170901 Date: Thu, 9 Nov 2017 09:08:01 +0900 Message-ID: <20171109000801.GA23982@js1304-P5Q-DELUXE> References: <20171020015542.GA10438@js1304-P5Q-DELUXE> <20171020173146.GN4394@atomide.com> <20171023045342.GA23082@js1304-P5Q-DELUXE> <20171025173137.GQ4394@atomide.com> <20171026044829.GB11791@js1304-P5Q-DELUXE> <20171026141627.GD21504@atomide.com> <20171107053313.GA12447@js1304-P5Q-DELUXE> <20171107154842.GP28152@atomide.com> <20171108074645.GA18747@js1304-P5Q-DELUXE> <20171108163413.GU28152@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20171108163413.GU28152@atomide.com> Sender: linux-kernel-owner@vger.kernel.org To: Tony Lindgren Cc: Pavel Machek , pali.rohar@gmail.com, sre@kernel.org, kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, khilman@kernel.org, aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com, patrikbachan@gmail.com, serge@hallyn.com, abcloriens@gmail.com, "Aneesh Kumar K.V" , Vlastimil Babka , Andrew Morton , Stephen Rothwell , Russell King List-Id: linux-omap@vger.kernel.org On Wed, Nov 08, 2017 at 08:34:13AM -0800, Tony Lindgren wrote: > * Joonsoo Kim [171108 07:43]: > > On Tue, Nov 07, 2017 at 07:48:42AM -0800, Tony Lindgren wrote: > > > So it seems the issue is currently at the atomic_pool_init() > > > related code? > > > > Yes, your test showed it although I can't find any clue in > > atomic_pool_init(). > > > > Could you test updated branch? > > > > https://github.com/JoonsooKim/linux/tree/cma-debug4-next-20180901 > > > > There are two relevant commits. > > > > arm/dma: stop dma allocation before __dma_alloc_remap() > > arm/dma: disable atomic pool after dma allocation > > > > atomic pool initialization will be done partially to check > > exact point of failure. These are brain-dead commits however I have no > > idea what's going on here until now. :/ > > OK that booted, dmesg output below. Hopefully that provides > you with some more clues. Thanks! Could you let me know which one is booted? Both of them? or just top commit ("arm/dma: stop dma allocation before __dma_alloc_remap()")? Thanks.