Re: [Xen-users] 32bit guest on 64bit host

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Apr 08, 2010 at 08:59:01PM +0100, Maurício Ramos wrote:
> Hello Pasi, thanks for the reply and the URLs.
> 
> At the graphical console, I can read...
> 
> "
> .
> .
> .
> Booting from CD-Rom...
> 
> ISOLINUX 3.63 Mandriva Linux Copyright (c) 1994-2008 H. Peter Anvin
> Loading...
> "
> 
> ...and it stays in this "Loading..." and never goes ahead, no matter we use 
> the cdrom or an iso image.
> 

Ok. Sounds like incompatibility then..

> We are considering the usage of other distros and the update of the system.
> 

You might first try to update to gitco rpms.. if you use virt-manager, you have 
to update libvirt+virt-manager aswell from gitco.

-- Pasi


> Thanks again.
> 
> -----Original Message-----
> From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> Sent: quinta-feira, 8 de abril de 2010 15:59
> To: Maurício Ramos
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] 32bit guest on 64bit host
> 
> On Thu, Apr 08, 2010 at 07:12:03PM +0100, Maurício Ramos wrote:
> > Hello Pasi, thanks for the feedback. Here goes the output of "xm info"
> >
> > [root@fpwdev04 ~]# xm info
> > host                   : fpwdev04.wedo.pt
> > release                : 2.6.18-128.el5xen
> > version                : #1 SMP Wed Dec 17 12:01:40 EST 2008
> > machine                : x86_64
> > nr_cpus                : 4
> > nr_nodes               : 1
> > sockets_per_node       : 1
> > cores_per_socket       : 4
> > threads_per_core       : 1
> > cpu_mhz                : 1861
> > hw_caps                : 
> > bfebfbff:20100800:00000000:00000140:0004e3bd:00000000:00000001
> > total_memory           : 3071
> > free_memory            : 1
> > node_to_cpu            : node0:0-3
> > xen_major              : 3
> > xen_minor              : 1
> > xen_extra              : .2-128.el5
> > xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
> > hvm-3.0-x86_32p hvm-3.0-x86_64
> 
> So you're able to run both 32b and 64b hvm (fully virtualized) guests,
> and also 32b pae and 64b PV (paravirtualized) guests.
> 
> > xen_pagesize           : 4096
> > platform_params        : virt_start=0xffff800000000000
> > xen_changeset          : unavailable
> > cc_compiler            : gcc version 4.1.2 20080704 (Red Hat 4.1.2-44)
> > cc_compile_by          : mockbuild
> > cc_compile_domain      : redhat.com
> > cc_compile_date        : Wed Dec 17 11:37:15 EST 2008
> > xend_config_format     : 2
> >
> > I do not what is PV or HVM but I am trying to create a full virtualized 
> > mandriva 2009. In addition, we have other 32 bit VMs running in another 
> > server (same OS, Xen, etc.) and they are Linux distros much older.
> >
> 
> See: http://wiki.xensource.com/xenwiki/XenOverview for explanation about PV 
> vs. HVM.
> 
> Do you see anything on the HVM guest graphical console?
> Xen in RHEL5 is getting old.. especially for recent HVM guests.
> 
> You might want to try the external/3rdparty Xen 3.4.2 rpms for EL5
> from http://gitco.de/repo/
> 
> -- Pasi
> 
> > -----Original Message-----
> > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> > Sent: quinta-feira, 8 de abril de 2010 15:02
> > To: Maurício Ramos
> > Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-users] 32bit guest on 64bit host
> >
> > On Thu, Apr 08, 2010 at 06:49:33PM +0100, Maurício Ramos wrote:
> > >    Hello, we have a RedHat Enterprise Linux 5 with xen kernel but can not
> > >    boot 32bit iso/cds to install 32bit guests. The boot stops when it 
> > > starts
> > >    the loading processes. We use the GUI "Virtual Machine Console" and we
> > >    configuring the machine there is an architecture option but is is not
> > >    enable for us to set the one we want. How to workaround this? Thanks 
> > > for
> > >    any help!
> > >
> >
> > Are you trying to create PV or HVM guest?
> >
> > Do you have HVM support in your CPU/BIOS?
> >
> > What does "xm info" say about capabilities? Do you see hvm listed?
> >
> > -- Pasi
> >
> > >
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