Re: Xen4.7 unable to get domain type for domid

[soapcn <soapcn@gmail.com>]

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On 9/29/2015 7:19 PM, Meng Xu wrote:
> HI Andy,
>
> 2015-09-29 18:06 GMT-04:00 Andy Smith <andy@strugglers.net
> <mailto:andy@strugglers.net>>:
>
>     Hi Tianyang,
>
>     On Mon, Sep 28, 2015 at 10:24:15PM -0400, soapcn wrote:
>     > I keep getting this error about not being able to get domain type
>     > when I try to create a domU.
>     > Xen-4.7, Ubuntu 12.04
>
>     I also had this problem recently with regard to some Ubuntu 12.04
>     domUs, but on Xen 4.4.1, Debian jessie. These domUs worked fine on
>     earlier versions of Xen. I searched around a lot and found a few
>     other people with the same problem, but no answers.
>
>     In the end I discovered that these domUs were using the
>     linux-image-virtual kernel package instead of the more usual
>     linux-image-generic. I installed linux-image-generic and
>     uninstalled linux-image-virtual, and then the affected domUs would
>     boot.
>
>     I note also that I have some domUs with Ubuntu 12.04.01 using
>     linux-image-virtual and these are okay. So I assumed whatever
>     problem there was with that kernel was rectified by the time of the
>     12.04.01 release.
>
>     I hope that helps you.
>
>
> Thank you very much for your suggestions! ​
>
> ​After Tianyang changed the netboot image used to ​boot the domU, the
> error disappears.
> So it is likely that the linux-image provided by the ubuntu archive
> that he uses is kind of broken.
>
> It is glad to know that it is not Xen's problem. :-)
>
> ​Best regards,​
>
> ​Meng​
>
>
>
> -----------
> Meng Xu
> PhD Student in Computer and Information Science
> University of Pennsylvania
> http://www.cis.upenn.edu/~mengxu/ <http://www.cis.upenn.edu/%7Emengxu/>
Andy,

I really appreciate for your suggestions. Like Meng said, there is
something wrong with the netboot image(precise) from archive.ubuntu.com.
I downloaded one couple weeks ago and it worked. It's the most recent
one that's broken and it's not Xen's problem.

For the record, I didn't do further testing but images from these two
won't work.

http://mirror.pnl.gov/ubuntu/...
http://archive.ubuntu.com/ubuntu/...


Tianyang


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