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Re: [Xen-devel] Cannot create mini-os guest for arm64

On Mon, 2013-05-20 at 19:21 +0800, Chen Baozi wrote:
> On May 20, 2013, at 5:11 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> > On Mon, 2013-05-20 at 11:37 +0800, Chen Baozi wrote:
> >> Sorry, I think the problem described above only happened if I use 
> >> "xen-syms"
> >> for debugging. If I switch to "xen", there is no such problem on paging 
> >> though
> >> it still not work (phenomenons: couldn't see any output).
> > 
> > xen-syms is not suitable for booting, only for pointing GDB at.
> > 
> >> So the situation is that xen-syms doesn't work for either arm-cross2 branch
> >> or mainline, (I used it by mistake),  while xen doesn't work in mainline 
> >> but 
> >> arm-cross2 branch.
> > 
> > What is the failure mode here? I'm not sure which of your previous
> > symptoms were related to the use of xen-syms.
> I think xen-syms symptoms is because of my misusing. Sorry for my stupid.
> However, if I use "xen" (which works for your arm-cross2 branch) in
> mainline, there is not any output while booting.

There have been some changes in mainline. You need to add
"dtuart=serial0" to your bootargs (where serial0 is an alias defined in
your dts).

You may also want to re-enable early-printk for your platform, see


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