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Re: [Xen-users] 64 bit dom0 and 32 bit HVM

To: Riccardo Veraldi <Riccardo.Veraldi@xxxxxxxxxxxx>
Subject: Re: [Xen-users] 64 bit dom0 and 32 bit HVM
From: Jason Solan <jsolan@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 06 Aug 2007 14:27:51 -0400
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I can't say that I've tried moving a PV 32 bit to HVM 32 bit on RHEL 5
64 bit, but i have done it on fedora 7.  I feel pretty comfortable
saying that it should work the same on RHEL 5.

With a 64 bit dom0 I've found that the device_model has to be the lib64
version or it hangs (similar to the issue you're seeing).  Do you have
any fully virtualized domU's on this system?

I suggest trying:

device_model = "/usr/lib64/xen/bin/qemu-dm"



On Mon, 2007-08-06 at 19:57 +0200, Riccardo Veraldi wrote:
> Hello,
> I have a 64 bit dom0 with RHEL5
> 
> I have a 32 bit domU para virtualized
> 
> I want to bring it on my new dom0
> 
> so I installed a non xen kernel on the domU
> and I copyed the image file on hte dom0
> 
> I changed the /etc/xen/myhost accordingly
> 
> but when I start the domain it hangs and nothing happens
> 
> here is
> 
> /etc/xen/sympa5_3_2
> 
> name = "sympa5_3_2"
> builder = "hvm"
> memory = "1024"
> disk = [ 'file:/xen/domU/sympa5_3_2,hda,w', ]
> vif = [ 'mac=00:16:3e:3f:a9:f5, bridge=xenbr1', ]
> vfb = ["type=vnc,vncunused=1"]
> uuid = "ffc68565-354a-32da-7302-72a1bd5ff1af"
> device_model = "/usr/lib/xen/bin/qemu-dm"
> kernel = "/usr/lib/xen/boot/hvmloader"
> vcpus=1
> on_reboot   = 'restart'
> on_crash    = 'restart'
> 
> 
> I Also took a qemu-dm and used it insted of the default one which is 64bit
> 
> [root@xenserver2 xen]# xm create /etc/xen/sympa5_3_2 -c
> Using config file "/etc/xen/sympa5_3_2".
> 
> 
> nothing happens:
> [root@xenserver2 ~]# xm list
> Name                                      ID Mem(MiB) VCPUs State   Time(s)
> Domain-0                                   0     2976     4 r-----    605.2
> sympa5_3_2                                10     1030     1 --p---      0.0
> 
> [root@xenserver2 ~]# xm unpause sympa5_3_2
> 
> [root@xenserver2 ~]# xm list
> Name                                      ID Mem(MiB) VCPUs State   Time(s)
> Domain-0                                   0     2976     4 r-----    605.5
> sympa5_3_2                                10     1030     1 ------      0.0
> 
> bit nothing happens.
> 
> is there a way so that I Can bring my domU running on a 32 bit dom0
> para virtualized on my new 64 bit xen fully virtualized dom0 ?
> 
> thanks a lot
> 
> Rick
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users


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