Re: [Xen-users] cannot create simple domain - crash

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Sun, 2013-04-28 at 01:16 +0100, Alan McKay wrote:
> Hey folks,
> 
> Playing around at home this time on an Ubuntu 12.04 box that I just
> installed xen on.   I don't have LVM on this machine (stupid me) so
> I'm trying to use a raw file that I created with "truncate -s 10G
> filename".   I seem to be doing everything right best I can tell but
> I'm not sure why it is crashing when I try to create the domain.

To be pedantic it is not crashing, it is "only" failing...

> root@amckay-desktop:~/iso# ls -al /var/lib/xendisk/
> total 8
> drwxr-xr-x  2 root root        4096 Apr 27 19:43 .
> drwxr-xr-x 95 root root        4096 Apr 27 19:49 ..
> -rw-rw-rw-  1 root root 10737418240 Apr 27 19:43 ubuntu.13.04
> 
> root@amckay-desktop:~/iso# xl list
> Name                                        ID   Mem VCPUs    State   Time(s)
> Domain-0                                     0  5815     4     r-----    
> 2288.1
> 
> root@amckay-desktop:~/iso# xl -vvv create /etc/xen/ubuntu.cfg
> Parsing config file /etc/xen/ubuntu.cfg
> libxl: error: libxl_create.c:317:libxl__domain_make domain creation fail
> cannot make domain: -3

Is there anything in xl dmesg which may correspond to this, which I
think comes from 

xl in 4.1.x is a bit "tech preview" but something as simple as what you
are doing ought to work.

What does xl info say? chris' question about Vt-d support is a good one.

Ian.


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