SELinux error booting backup f12

[Daniel J Walsh]

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On 05/21/2010 02:56 PM, jackson byers wrote:
> [byers at f12 ~]$ uname -r
> 2.6.32.11-99.fc12.i686.PAE
> 
> login SElinux error trying to boot my backup copy of f12.
> Main f12 on external usb at /media/rootusb7, ext4.
> Backup f12copy on external usb at /media/rootusb8, ext3.
> Both use same /boot on internal hdisk, sdb8.
> 
> I think i got the changes correct,
> UUID change in fstab, and in grub.conf new stanza.
> system booted ok, X came up,
> but login as user gives error msg something close to:
> 
> " could not connect to session bus: An SELinux policy
> prevents ..sender from sending this message to
> this recipient (rejected message had sender "(unset)"
> interface "org...desktop.DBus"...member..error
> name...........)"
> 
> I didn't write it down legibly enough to repeat all of it here.
> I had to hit the power button and reboot into my main f12.
> 
> I know zilch about SELinux, took the defaults on install.
> The man page talks about
>  label...relabel... restorcon,   none of which I understand
> 
> The gui shows
> enforcing
> enforcing
> targeted
> 
> I suppose I could try to disable selinux on this backup copy.
> does "selinux=0" on the kernel line suffice?
> Frowned on, I suppose,
> but for something mostly not to be used, maybe ok?
> 
> pointers? advice?
> 
> Jack
You can boot with selinux=0 or enforcing=0.  enforcing=0 means that
SELinux will block nothing, but maintain the labeling.
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