Re: [Xen-devel] About arm32 address translation

[Chen Baozi <baozich@xxxxxxxxx>]

On Oct 16, 2013, at 6:41 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> 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.

Hmmm, I've posted a mail about this yesterday. The addr2line points 0xc021544 
to __loop_delay in arch/arm/lib/delay-loop.S of linux kernel.

> 
> 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.

Ok, I'll have a try.

Thanks.

Baozi

> 
> (Somebody really needs to make a patch for proper Xen capable
> earlyprintk for arm...)
> 
> Ian.
> 


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel