From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: Xen4.7 unable to get domain type for domid
Date: Wed, 30 Sep 2015 10:07:30 +0100
Message-ID: <560BA652.401@citrix.com>
References: <56096505.3040109@gmail.com> <5609F64F.80609@gmail.com>
	<20150929125434.GC13821@zion.uk.xensource.com>
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To: soapcn <soapcn@gmail.com>
Cc: Meng Xu <xumengpanda@gmail.com>, Wei Liu <wei.liu2@citrix.com>, xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org

On 29/09/15 18:54, Wei Liu wrote:
> Please avoid top-posting.
>
> On Tue, Sep 29, 2015 at 01:43:29PM -0400, soapcn wrote:
>> Andrew,
>>
>> Yes, the domain is constructed and I can see it using xl list command. As
>> soon as I unpaused it, it crashed again.
>>
> You then need to figure out why it crashed. Maybe "xl dmesg" can give you
> some ideas what went wrong.
>
> I don't think this is a bug in Xen. It's likely the kernel you used was
> not able to boot as Xen *PV* guest.

Boot Xen with "loglvl=all guest_loglvl=all" and the domU with
"earlyprintk=xen xencons=hvc console=hvc0", and that will likely get
some kind of useful debugging visible in `xl dmesg`

~Andrew