[CentOS] error creating Centos 5.1 x32 dum_U instance on CentOS 5.1 x64
carlopmart
carlopmart at gmail.com
Fri Feb 29 10:38:54 UTC 2008
Tom Brown wrote:
> Rudi Ahlers wrote:
>> Hi all
>>
>> This is the first time I try and get Xen working, and want to install
>> a few CentOS 5.1 32bit and FreeBSD 6.1 VM's on my CentOS 5.1 x64 server.
>>
>> Trying to get the first one to install is rather trivial, and I keep
>> on running into errors. At fist I wanted to install it fro the cdrom,
>> so I used "virt-install --cdrom=/dev/hdc" It booted up, and I could
>> choose my language, but then got an error saying I don't have the
>> right driver for the cdrom install. Odd.
>>
>> So, I copied the whole CD to my intranet server, to try a HTTP
>> installation, which got much further, but fails as soon as it starts
>> copying the files to the xvda partition.
>>
>> Here's what I've done:
>> virt-install -p
>> --location=http://intranet/kickstart/centos/5.1/32/os/i386 --ram=512
>> --file=/vm/vm03.img --name=vm03
>>
>> Probing for video card: Unable to probe
>> No video hardware found, assuming headless
>> Graphical installation not available... Starting text mode.
>> Welcome to CentOS
>>
>> +------------------+ Package Installation +------------------+
>> | |
>> | Name : libXt-1.0.2-3.1.fc6-i386 |
>> | Size : 359k |
>> | Summary: X.Org X11 libXt runtime library |
>> | |
>> | |
>> | Status: |
>> | |
>> | 53% |
>> | |
>> | Packages Bytes Time |
>> | Total : 349 564M 0:02:30 |
>> | Completed: 123 200M 0:00:53 |
>> | Remaining: 226 364M 0:01:37 |
>> | |
>> | 35%
>> Guest installation complete... restarting guest.
>> libvir: Xen Daemon error : POST operation failed: (xend.err "Error
>> creating domain: Boot loader didn't return any data!")
>> exception was: virDomainCreate() failed POST operation failed:
>> (xend.err "Error creating domain: Boot loader didn't return any data!")
>> Domain installation may not have been
>> successful. If it was, you can restart your domain
>> by running 'virsh start vm03'; otherwise, pleasels | <F12> next
>> screen
>> restart your installation.
>> [root at gimbli ~]# virsh start vm03
>> libvir: Xen Daemon error : POST operation failed: (xend.err "Error
>> creating domain: Boot loader didn't return any data!")
>> error: Failed to start domain vm03
>>
>>
>>
>> /var/log/messages got filled with the following messages:
>>
>> stem_r:xenstored_t:s0 tcontext=system_u:system_r:xenstored_t:s0
>> tclass=capability
>> Feb 29 10:36:59 gimbli kernel: audit(1204274218.949:2139): avc:
>> denied { sys_resource } for pid=2445 comm="xenstored" capability=24
>> scontext=system_u:system_r:xenstored_t:s0
>> tcontext=system_u:system_r:xenstored_t:s0 tclass=capability
>> Feb 29 10:36:59 gimbli kernel: audit(1204274218.949:2140): avc:
>> denied { sys_resource } for pid=2445 comm="xenstored" capability=24
>> scontext=system_u:system_r:xenstored_t:s0
>> tcontext=system_u:system_r:xenstored_t:s0 tclass=capability
>> Feb 29 10:36:59 gimbli kernel: audit(1204274218.949:2141): avc:
>> denied { sys_resource } for pid=2445 comm="xenstored" capability=24
>> scontext=system_u:system_r:xenstored_t:s0
>> tcontext=system_u:system_r:xenstored_t:s0 tclass=capability
>> Feb 29 10:36:59 gimbli kernel: audit(1204274218.949:2142): avc:
>> denied { sys_resource } for pid=2445 comm="xenstored" capability=24
>> scontext=system_u:system_r:xenstored_t:s0
>> tcontext=system_u:system_r:xenstored_t:s0 tclass=capability
>>
>>
>>
>> What am I doing wrong?
>>
>
> as far as i am aware on standard RHEL or CentOS 5 packages a 32bit domU
> on a 64bit dom0 is not supported and known to crash
>
That's incorrent. I have three Rhel5.1 x86_64 xenhosts with different 32 bits
domU, centos 5.1, centos 5.0 and rhel5.1 included ...
I think that problem is selinux. In redhat docs explains that domU needs to
reside on /var/lib/xen if you use selinux. You can try to disable selinux
(/etc/sysconfig/selinux) and all works ok.
--
CL Martinez
carlopmart {at} gmail {d0t} com
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