gui console unavailable after upgrade

I am just learning how to use xen.
I installed a fc6 virtual machine and everything went okay.
After the
install I was able to start the virtual machine and use the
gui console to
log in.

Then I did a 'yum update' on the virtual machine and
rebooted it. Since
doing that I have been unable to use the gui console. It
just says "The
console is currently unavailable". I am able to use the
serial console.

I don't see any new entries in the xend-debug.log

I have also updated my host fc6.

Any ideas as to the cause?

Thanks,
Daryl.

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"Daryl Daly" <daryldnorco.com> writes:

> I am just learning how to use xen.
> I installed a fc6 virtual machine and everything went
okay. After the
> install I was able to start the virtual machine and use
the gui console to
> log in.
>
> Then I did a 'yum update' on the virtual machine and
rebooted it. Since
> doing that I have been unable to use the gui console.
It just says "The
> console is currently unavailable". I am able to
use the serial console.
>
> I don't see any new entries in the xend-debug.log
>
> I have also updated my host fc6.
>
> Any ideas as to the cause?

Fully virtual or paravirtual?

Did you upgrade dom0 as well?

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On Fri, February 23, 2007 1:47 pm, Markus Armbruster wrote:

> Fully virtual or paravirtual?

paravirtual

>
> Did you upgrade dom0 as well?
>

Hmmm... I am not sure of the terminology here. I assume that
dom0 is the
host OS (the host that the virtual machine was created and
is running on).
If that assumption is correct then yes it was updated as
well.

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"Daryl Daly" <daryldnorco.com> writes:

> On Fri, February 23, 2007 1:47 pm, Markus Armbruster
wrote:
>
>> Fully virtual or paravirtual?
>
> paravirtual
>
>>
>> Did you upgrade dom0 as well?
>>
>
> Hmmm... I am not sure of the terminology here. I assume
that dom0 is the
> host OS (the host that the virtual machine was created
and is running on).
> If that assumption is correct then yes it was updated
as well.

Good.

The virtual framebuffer protocol recently changed from a
preliminary
version to the final version.  The new backend (running in
dom0, what
you call host) is backward compatible: it can cope with new
and old
domU (what you may call guest).  Old backend with new
frontend doesn't
work, though.

Your update of dom0 should have gotten you the new backend. 
Weird.
Does restarting xend help?  If not, what's new in
/var/log/xen/* ?

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On Sat, February 24, 2007 12:31 am, Markus Armbruster
wrote:
> "Daryl Daly" <daryldnorco.com> writes:
>
>> On Fri, February 23, 2007 1:47 pm, Markus
Armbruster wrote:
>>
>>> Fully virtual or paravirtual?
>>
>> paravirtual
>>
>>>
>>> Did you upgrade dom0 as well?
>>>
>>
>> Hmmm... I am not sure of the terminology here. I
assume that dom0 is the
>> host OS (the host that the virtual machine was
created and is running
>> on).
>> If that assumption is correct then yes it was
updated as well.
>
> Good.
>
> The virtual framebuffer protocol recently changed from
a preliminary
> version to the final version.  The new backend (running
in dom0, what
> you call host) is backward compatible: it can cope with
new and old
> domU (what you may call guest).  Old backend with new
frontend doesn't
> work, though.
>
> Your update of dom0 should have gotten you the new
backend.  Weird.
> Does restarting xend help?  If not, what's new in
/var/log/xen/* ?
>

After rebooting this morning the problem seems to be
resolved.

I had rebooted Friday morning but that hadn't fixed the
problem. It turns
out that there were some updates to the dom0 for xen that
came in after
the Friday morning reboot. Those updates must have fixed the
problem.

Thanks for your help.

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