linux-kernel - Re: n900 in next-20170901

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Message-ID: <20171109000801.GA23982@js1304-P5Q-DELUXE>
Date:   Thu, 9 Nov 2017 09:08:01 +0900
From:   Joonsoo Kim <iamjoonsoo.kim@....com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Pavel Machek <pavel@....cz>, pali.rohar@...il.com, sre@...nel.org,
        kernel list <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-omap@...r.kernel.org, khilman@...nel.org,
        aaro.koskinen@....fi, ivo.g.dimitrov.75@...il.com,
        patrikbachan@...il.com, serge@...lyn.com, abcloriens@...il.com,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Russell King <linux@...linux.org.uk>
Subject: Re: n900 in next-20170901

On Wed, Nov 08, 2017 at 08:34:13AM -0800, Tony Lindgren wrote:
> * Joonsoo Kim <iamjoonsoo.kim@....com> [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.