Xen devel - Jan 2007 - Hang in the creation of virtual machine on RHEL 5 - changeset 13495: e2539ab3580a2539ab3580a

Hi,

 

I am running on "Dell PC Model No: DHS"  running RHEL 5 snapshot 5
(kernel-2.6.18-1.2910.el5)

 

I built xen-unstable source using the changeset 13495. . Dom0 came up. I
tried creating a file based Virtual Machine and tried running CentOS
4.3. 

 

The command "xm create -c master.cfg" where master.cfg is the
configuration file gives an error

Error: (22, ''Invalid argument'') and hangs the system.

 

I need to do a hard reboot. I have attached the xend.log. 

 

Is this a bug or am I doing something wrong? Master.cfg that works under
SLES10 GMC doesn''t work on RHEL5 snapshot 5.

Thanks in advance.

 

Regards,

Ashwin




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On Fri, Jan 19, 2007 at 06:12:13PM +0530, Patil, Ashwin Channabasavaraj
wrote:
> I am running on "Dell PC Model No: DHS"  running RHEL 5 snapshot
5
> (kernel-2.6.18-1.2910.el5)
> 
> I built xen-unstable source using the changeset 13495. . Dom0 came up. I
> tried creating a file based Virtual Machine and tried running CentOS
> 4.3. 
> 
> The command "xm create -c master.cfg" where master.cfg is the
> configuration file gives an error
> 
> Error: (22, ''Invalid argument'') and hangs the system.
The ''Invalid argument'' message normally means that the guest
kernel you
are trying boot does not match the requirements of the host kernel. For
example, you tried to boot a non-PAE guest on a PAE host, or vica-verca.
RHEL-5 i686 Xen kernels are PAE enabled. I''m guessing the CentOS guest
you tried was based off the XenSource suplied kernels which I think are
built with PAE disabled.

On the second point - the host should never hang in the way you describe.
Since this is a pre-release of the RHEL-5 kernel, please report this hang
problem back to the Red Hat Bugzilla  (or via our partner support channels)
so that it can be investigated further.

Regards,
Dan.
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