Re: [Xen-users] Help in Ubuntu server 12.04 and Xen 4.1

[Joseph Glanville <joseph.glanville@xxxxxxxxxxxxxx>]

On 29 August 2012 10:43, Carlos Roberto de Oliveira Júnior
<carlos.roberto@xxxxxxxxxxx> wrote:
> Hi Joseph,
>
> I changed the TOOLSTACK="xm" to TOOLSTACK="xl" in /etc/default/xen and
> reboot the server. Although, the error still the same, as presented bellow.
>
> I really need to have Xen working, to start virtual machines on the server
> and perform experiments. Can you, please, give me a linux cd installation
> that has already setup Xen on the dom0 correctly? If possible, you can give
> me a link and I download it.
>
> Gave up waiting for root device. Common problems:
>       - Boot args (cat /proc/cmdline)
>             - Check rootdelay= (did the system wait long enough?)
>             - Check root= (did the system wait for the right device?)
>       - Missing modules (cat /proc/modules; ls /dev)
>    ALERT!   /dev/sda does not exist. Dropping to a shell (ash)
>
>
>
> 2012/8/21 Carlos Roberto de Oliveira Júnior <carlos.roberto@xxxxxxxxxxx>
>>
>> Thanks Joseph. I will try the second option.
>>
>>
>> 2012/8/21 Joseph Glanville <joseph.glanville@xxxxxxxxxxxxxx>
>>>
>>> On 22 August 2012 06:13, Carlos Roberto de Oliveira Júnior
>>> <carlos.roberto@xxxxxxxxxxx> wrote:
>>> > Hi Joseph,
>>> >
>>> > I have two physical servers, both running Ubuntu server 12.04 LTS
>>> > 64bits and
>>> > Xen 4.1. I tried to use your Ubuntu 12.04 virtual machine image but
>>> > I've got
>>> > an error message. I would appreciate if you can help me. I'm sending
>>> > you the
>>> > error message and the configuration files on server1.zip.
>>> >
>>> > In the second physical machine, I'm trying to run a virtual machine
>>> > that I
>>> > had already used in older Ubuntu and Xen versions but I'm also finding
>>> > problems to run this virtual machine in Ubuntu 12.04. I'm asking for
>>> > your
>>> > help because you are an professional that might find these problems
>>> > sometimes.
>>> >
>>> > thanks in advance,
>>> > --
>>> > Prof. Carlos Roberto de Oliveira Junior
>>> > IFRJ - Instituto Federal de Educação, Ciência e Tecnologia do Rio De
>>> > Janeiro
>>> > Coordenador do Curso Técnico em Informática
>>> > Campus Arraial do Cabo
>>> >
>>>
>>> Hi,
>>>
>>> You haven't setup Xen on the Ubuntu dom0 correctly yet.
>>> By the looks of it you are trying to use the xm toolstack but xend is
>>> not running.
>>> You can try a) starting xend by running the xend and xencommons
>>> initscripts or b) use the xl toolstack.
>>>
>>> To use xl (which I recommend as xm is deprecated) change
>>> TOOLSTACK="xm" to TOOLSTACK="xl" in /etc/default/xen and reboot.
>>> Be sure to start xencommons.
>>>
>>> After this is done the VMs should start fine.
>>>
>>> Joseph.
>>>
>>> --
>>> CTO | Orion Virtualisation Solutions | www.orionvm.com.au
>>> Phone: 1300 56 99 52 | Mobile: 0428 754 846
>>
>>
>>
>>
>> --
>> Prof. Carlos Roberto de Oliveira Junior
>> IFRJ - Instituto Federal de Educação, Ciência e Tecnologia do Rio De
>> Janeiro
>> Coordenador do Curso Técnico em Informática
>> Campus Arraial do Cabo
>>
>
>
>
> --
> Prof. Carlos Roberto de Oliveira Junior
> IFRJ - Instituto Federal de Educação, Ciência e Tecnologia do Rio De Janeiro
> Coordenador do Curso Técnico em Informática
> Campus Arraial do Cabo
>

Did you start the associated services in /etc/init.d/ ?
Specfically check that xenstored, xenconsoled are running.

-- 
CTO | Orion Virtualisation Solutions | www.orionvm.com.au
Phone: 1300 56 99 52 | Mobile: 0428 754 846

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