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35.9. Common Xen problems

When attempting to start the xend service, nothing happens. Type virsh list and receive the following:
Error: Error connecting to xend: Connection refused. Is xend running?
Try to run xend start manually and receive more errors:
Error: Could not obtain handle on privileged command interfaces (2 = No such file or directory)
Traceback (most recent call last:)
File "/usr/sbin/xend/", line 33 in ?
from xen.xend.server. import SrvDaemon
File "/usr/lib/python2.4/site-packages/xen/xend/server/SrvDaemon.py" , line 26 in ?
from xen.xend import XendDomain
File "/usr//lib/python2.4/site-packages/xen/xend/XendDomain.py" , line 33, in ?
		
from xen.xend import XendDomainInfo
File "/usr/lib/python2.4/site-packages/xen/xend/image.py" , line37, in ?
import images
File "/usr/lib/python2.4/site-packages/xen/xend/image.py" , line30, in ?
xc = xen.lowlevel.xc.xc ()
RuntimeError: (2, 'No such file or directory' )
What has most likely happened here is that you rebooted your host into a kernel that is not a kernel-xen kernel. To correct this, you must select the kernel-xen kernel at boot time (or set the kernel-xen kernel to the default in the grub.conf file).