Re: [Xen-users] Xen & SELINUX: how disable in guest?

[Sadique Puthen <sputhenp@xxxxxxxxxx>]

Veniamin Konoplev wrote:
> Hello all!
>
> I try to boot the guest VM in native EL5.1 dom0.
>
> Kernel for guest domain I took from source compiled Xen distributions
> since native EL5.1 kernel being tired as guest did not see root
> partition at all.
>
> SELinux enforcing is disabled in the dom0:
>
>   
> > [root@mbone ~]# getenforce
> > Permissive
> >     
> Configuration file for guest domain has parameter to disable selinux:
>
>   
> > [root@mbone ~]# grep extra /etc/xen/xm-test
> > # You can use 'extra' to set the runlevel and custom environment
> > extra = "4 enforcing=0"
> >     
If you are using "pygrub" as bootloader to load the xenified kernel and 
initrd image from within the guest which is the default setup in RHEL 
and Centos rather than passing a xenified kernel and initrd image from 
the dom0, passing kernel parameters using extra = would not work. You 
should do "xm create -c <guest>" and edit the kernel line in the grub 
and pass selinux=0 for this to work. HTH
--Sadique

> But I still get errors from SELinux:
>
>   
> > [root@mbone ~]# xm create -c /etc/xen/xm-test
> > Using config file "/etc/xen/xm-test".
> > Started domain ExampleDomain
> > Linux version 2.6.18-xen (root@jig) (gcc version 3.4.6 20060404 (Red Hat 
> > 3.4.6-8)) #12 SMP Thu Nov 29 11:53:14 MSK 2007
> > ...
> > VFS: Mounted root (ext3 filesystem) readonly.
> > Freeing unused kernel memory: 184k freed
> > Unable to load SELinux Policy. Machine is in enforcing mode. Halting now.
> > Kernel panic - not syncing: Attempted to kill init!
> >     
> Config string like 'extra = "4 selinux=1 enforce=0"' produce the same
> result.
>
> What is wrong?
>
> Thanks in advance.
>
> --
> Veniamin.
>
>
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>
>   

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