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Date:   Wed, 8 Nov 2017 16:11:13 -0800
From:   Tony Lindgren <tony@atomide.com>
To:     Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc:     Pavel Machek <pavel@ucw.cz>, pali.rohar@gmail.com, sre@kernel.org,
        kernel list <linux-kernel@vger.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
        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" <aneesh.kumar@linux.vnet.ibm.com>,
        Vlastimil Babka <vbabka@suse.cz>,
        Andrew Morton <akpm@linux-foundation.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Russell King <linux@armlinux.org.uk>
Subject: Re: n900 in next-20170901
Message-ID: <20171109001113.GZ28152@atomide.com>
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* Joonsoo Kim <iamjoonsoo.kim@lge.com> [171109 00:05]:
> On Wed, Nov 08, 2017 at 08:34:13AM -0800, Tony Lindgren wrote:
> > * Joonsoo Kim <iamjoonsoo.kim@lge.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()")?

Oh OK. Only the top commit boots.

Regards,

Tony

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