ALLWINNER/h3 malfunction

[Emmanuel Vadot]

On Sat, 17 Sep 2016 20:41:09 +0300
Daniel Braniss <danny at cs.huji.ac.il> wrote:

> 
> > On 17 Sep 2016, at 6:19 PM, Emmanuel Vadot <manu at bidouilliste.com> wrote:
> > 
> > On Wed, 7 Sep 2016 16:34:48 +0300
> > Daniel Braniss <danny at cs.huji.ac.il> wrote:
> > 
> >> Hi All!
> >> 
> >> I am playing with an orangepi-one, and I now compiled a kernel without INVARIANTS & WITNESS
> >> and it panics, when compiled without WITNESS, it boots, but for example the awg comes up
> >> with a semi random ethernet address, so clearly there is some timing issues. I have placed the panic in
> >>        http://www.cs.huji.ac.il/~danny/orangepi/op1.panic.1
> >> 
> >> and so if someone can point me to where some delay can be added ?
> >> 
> >> thanks,
> >> 	danny
> >> 
> > 
> > Hello Daniel,
> > 
> > I'll admit that I've never tested ALLWINNER kernel without INVARIANTS
> > or WITNESS recently, I'll try that.
> > I assume that you've patched your DTS for ethernet support, can you
> > try with the unpatched one ?
> 
> i searched high and low for such one, can you send me one?

 It's in the tree in sys/gnu/dts/arm/
 Yes it doesn't have the awg node, I know, h3 emac bindings aren't
stable for now.

> > It seems that it panic because the mod0 clk doesn't have the correct
> > parent.
> > 
> > For the semi random MAC address this is expected. The awg driver
> > generate a random one if it can't use the SID root key as
> > the "source", which we don't support for now on H3 (it shouldn't be 
> > hard to add support for the H3).
> > 
> > Cheers,
> > 
> > -- 
> > Emmanuel Vadot <manu at bidouilliste.com> <manu at freebsd.org>


-- 
Emmanuel Vadot <manu at bidouilliste.com> <manu at freebsd.org>