[libvirt-users] Unable to start container after OS upgrade

[Daniel P. Berrange]

On Fri, Nov 14, 2014 at 07:32:46PM +0000, mallu mallu wrote:
> I upgraded my container from CentOS 6.4 to CentOS 6.5. Everything looks good after upgrade until reboot. When rebooted to container I'm getting the following errors.. Any help would be greatly appreciated
> /bin/mknod: `/dev/lp2': Operation not permitted
> /bin/chown: cannot access `/dev/lp2': No such file or directory
> /bin/mknod: `/dev/lp3': Operation not permitted
> /bin/chown: cannot access `/dev/lp3': No such file or directory
> /bin/mknod: `/dev/net/tun': Operation not permitted
> /bin/mknod: `/dev/ppp': Operation not permitted
> /bin/mknod: `/dev/fuse': Operation not permitted
> /sbin/start_udev: line 269: /proc/sys/kernel/hotplug: Read-only file system
> udevd[71]: file_contexts:  invalid context system_u:object_r:device_t:s0
> udevd[71]: file_contexts:  invalid context system_u:object_r:device_t:s0
> 
> udevd[71]: matchpathcon(/dev/.udev/rules.d) failed
> udevd[71]: matchpathcon(/dev/.udev/rules.d) failed

You don't want to have  udevd running in any container. The /dev filesystem
for a container is pre-populated by libvirt and udev will not have permission
to create any further device nodes. So just disable udev init script.



Regards,
Daniel
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