linux-kernel - Re: n900 in next-20170901

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Message-ID: <20170908093100.GE18365@amd>
Date:   Fri, 8 Sep 2017 11:31:00 +0200
From:   Pavel Machek <pavel@....cz>
To:     Tony Lindgren <tony@...mide.com>
Cc:     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,
        Joonsoo Kim <iamjoonsoo.kim@....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

Hi!

> > It compiles ok, but it hangs on boot; black screen, so sometime before
> > display is initialized.
> 
> Thanks for reporting it. Based on git bisect, the regression causing
> commit is 9caf25f996e8 ("mm/cma: manage the memory of the CMA area
> by using the ZONE_MOVABLE"). With this path applied, booting hangs
> with an error in omap3_save_secure_ram_context() after a call to
> _omap_save_secure_sram() that calls the related assembly code
> save_secure_ram_context.
> 
> However, looks like there is also some other commit causing issue.
> 
> Just reverting 9caf25f996e8 on Linux next causes the oops below.
> 
> Anybody got ideas why this now happens?

Thanks for quick bisect.

I take it 9caf25f996e8 is not going to be merged anywhere until this
is fixed...?

Best regards,
								Pavel
								

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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