linux-kernel - Re: n900 in next-20170901

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Date:   Mon, 18 Sep 2017 11:01:26 +0900
From:   Joonsoo Kim <iamjoonsoo.kim@....com>
To:     Pavel Machek <pavel@....cz>
Cc:     Tony Lindgren <tony@...mide.com>, 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 Fri, Sep 15, 2017 at 03:18:18PM +0200, Pavel Machek wrote:
> Hi!
> 
> > > After commit 9caf25f996e8, user for CMA memory should use to check
> > > PageHighmem in order to get proper virtual address of the page. If
> > > someone doesn't use it, it is possible to use wrong virtual address
> > > and it then causes the use of wrong physical address.
> > > CONFIG_DEBUG_VIRTUAL would catch this case.
> > 
> > OK, no extra output of current next with CONFIG_DEBUG_VIRTUAL=y.
> > Booting of n900 hangs with just the same error:
> > 
> > save_secure_sram() returns 0000ff02
> > 
> > > If it doesn't help, is there a way to test n900 configuration in QEMU?
> > 
> > I doubt that QEMU n900 boots in secure mode but instead shows
> > the SoC as general purpose SoC. If so, you'd have to patch the
> > omap3_save_secure_ram_context() to attempt to save secure RAM
> > context in all cases. If that works then debugging with any
> > omap3 board like beagleboard in QEMU should work.
> 
> Okay, linux-next from today still does not boot on n900. Is it
> something new, or was this still not fixed in -next?

Hello,

Still not fixed in -next since I cannot regenerate the error.

Thanks.