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<TITLE>Re: [CentOS] error creating Centos 5.1 x32 dum_U instance on CentOS5.1 x64</TITLE>
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<P><FONT SIZE=2>Nah, RHEL 5.1+ supports 32-bit domU (PAE and non PAE) on 64-bit dom0.<BR>
<BR>
Actually RHEL Xen is 3.1 with the brain damaged 3.0 userland utilities.<BR>
<BR>
-Ross<BR>
<BR>
<BR>
----- Original Message -----<BR>
From: centos-bounces@centos.org <centos-bounces@centos.org><BR>
To: CentOS mailing list <centos@centos.org><BR>
Sent: Fri Feb 29 04:46:42 2008<BR>
Subject: Re: [CentOS] error creating Centos 5.1 x32 dum_U instance on CentOS5.1 x64<BR>
<BR>
Rudi Ahlers wrote:<BR>
> Hi all<BR>
><BR>
> This is the first time I try and get Xen working, and want to install<BR>
> a few CentOS 5.1 32bit and FreeBSD 6.1 VM's on my CentOS 5.1 x64 server.<BR>
><BR>
> Trying to get the first one to install is rather trivial, and I keep<BR>
> on running into errors. At fist I wanted to install it fro the cdrom,<BR>
> so I used "virt-install --cdrom=/dev/hdc" It booted up, and I could<BR>
> choose my language, but then got an error saying I don't have the<BR>
> right driver for the cdrom install. Odd.<BR>
><BR>
> So, I copied the whole CD to my intranet server, to try a HTTP<BR>
> installation, which got much further, but fails as soon as it starts<BR>
> copying the files to the xvda partition.<BR>
><BR>
> Here's what I've done:<BR>
> virt-install -p<BR>
> --location=<A HREF="http://intranet/kickstart/centos/5.1/32/os/i386">http://intranet/kickstart/centos/5.1/32/os/i386</A> --ram=512<BR>
> --file=/vm/vm03.img --name=vm03<BR>
><BR>
> Probing for video card: Unable to probe<BR>
> No video hardware found, assuming headless<BR>
> Graphical installation not available... Starting text mode.<BR>
> Welcome to CentOS<BR>
><BR>
> +------------------+ Package Installation +------------------+<BR>
> | |<BR>
> | Name : libXt-1.0.2-3.1.fc6-i386 |<BR>
> | Size : 359k |<BR>
> | Summary: X.Org X11 libXt runtime library |<BR>
> | |<BR>
> | |<BR>
> | Status: |<BR>
> | |<BR>
> | 53% |<BR>
> | |<BR>
> | Packages Bytes Time |<BR>
> | Total : 349 564M 0:02:30 |<BR>
> | Completed: 123 200M 0:00:53 |<BR>
> | Remaining: 226 364M 0:01:37 |<BR>
> | |<BR>
> | 35% <BR>
> Guest installation complete... restarting guest.<BR>
> libvir: Xen Daemon error : POST operation failed: (xend.err "Error<BR>
> creating domain: Boot loader didn't return any data!")<BR>
> exception was: virDomainCreate() failed POST operation failed:<BR>
> (xend.err "Error creating domain: Boot loader didn't return any data!")<BR>
> Domain installation may not have been<BR>
> successful. If it was, you can restart your domain<BR>
> by running 'virsh start vm03'; otherwise, pleasels | <F12> next<BR>
> screen<BR>
> restart your installation.<BR>
> [root@gimbli ~]# virsh start vm03<BR>
> libvir: Xen Daemon error : POST operation failed: (xend.err "Error<BR>
> creating domain: Boot loader didn't return any data!")<BR>
> error: Failed to start domain vm03<BR>
><BR>
><BR>
><BR>
> /var/log/messages got filled with the following messages:<BR>
><BR>
> stem_r:xenstored_t:s0 tcontext=system_u:system_r:xenstored_t:s0<BR>
> tclass=capability<BR>
> Feb 29 10:36:59 gimbli kernel: audit(1204274218.949:2139): avc: <BR>
> denied { sys_resource } for pid=2445 comm="xenstored" capability=24<BR>
> scontext=system_u:system_r:xenstored_t:s0<BR>
> tcontext=system_u:system_r:xenstored_t:s0 tclass=capability<BR>
> Feb 29 10:36:59 gimbli kernel: audit(1204274218.949:2140): avc: <BR>
> denied { sys_resource } for pid=2445 comm="xenstored" capability=24<BR>
> scontext=system_u:system_r:xenstored_t:s0<BR>
> tcontext=system_u:system_r:xenstored_t:s0 tclass=capability<BR>
> Feb 29 10:36:59 gimbli kernel: audit(1204274218.949:2141): avc: <BR>
> denied { sys_resource } for pid=2445 comm="xenstored" capability=24<BR>
> scontext=system_u:system_r:xenstored_t:s0<BR>
> tcontext=system_u:system_r:xenstored_t:s0 tclass=capability<BR>
> Feb 29 10:36:59 gimbli kernel: audit(1204274218.949:2142): avc: <BR>
> denied { sys_resource } for pid=2445 comm="xenstored" capability=24<BR>
> scontext=system_u:system_r:xenstored_t:s0<BR>
> tcontext=system_u:system_r:xenstored_t:s0 tclass=capability<BR>
><BR>
><BR>
><BR>
> What am I doing wrong?<BR>
><BR>
<BR>
as far as i am aware on standard RHEL or CentOS 5 packages a 32bit domU<BR>
on a 64bit dom0 is not supported and known to crash<BR>
<BR>
<BR>
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