Re: [Xen-devel] About arm32 address translation

[Chen Baozi <baozich@xxxxxxxxx>]

On Wed, Oct 16, 2013 at 11:41:18AM +0100, Ian Campbell wrote:
> On Wed, 2013-10-16 at 18:26 +0800, Chen Baozi wrote:
> > On Wed, Oct 16, 2013 at 11:24:47AM +0100, Ian Campbell wrote:
> 
> > > That suggests that the guest's SP doesn't have a mapping in the guest's
> > > PTs. What's the full trace?
> > 
> > See http://pastebin.com/DYL5gkAQ
> 
> Yeah, not a whole lot to go on is there ;-)
> 
> Converting the PC (c02c1544) to a code line with gdb or addr2line would
> be a good start I think.
> 
> You could also consider hacking up an earlyprintk via Xen by dropping a
> xen_raw_console_write into vprintk_emit once the buffer is formatted and
> see if that gets you any useful console output.

The hack is workable! See http://pastebin.com/iSGJnKSg

It looks like that dom0 has got some issues on "uart3", which is "skipped" due
to its disabled status in DT.

Cheers,

Baozi

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