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[Xen-devel] Re: [Xen-users] How to show deug info via XENPRINTF?

That is purely a macro used on FreeBSD. It is enabled via a define in
the config file, and you'll need to enable debugging in xen - assuming
the relevant hypercall still exists.


On Thu, 24 Aug 2006, Yuan, Jue wrote:

> Hi all.
> I am trying to debug a kernel that I built, and I hope I could see some debug
> info printing out via XENPRINTF. I use it in the source code of kernel like:
> XENPRINTF("nr_pages: %ld shared_info: 0x%lx flags: 0x%lx pt_base: 0x%lx "
>                   "mod_start: 0x%lx mod_len: 0x%lx\n",
>                   xen_start_info->nr_pages, xen_start_info->shared_info,
>                   xen_start_info->flags, xen_start_info->pt_base,
>                   xen_start_info->mod_start, xen_start_info->mod_len);
> But it doesn't print anything out when start this kernel as domU. I think I
> must miss something here.
> Any ideas about how to do it? Thanks in advance :-)
> PS: I am using xen-3.0.2-2
> --
> Best Regards
> Yuan, Jue @ www.yuanjue.net
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