18.12. 常见的故障解除
当你试图启动
xend 服务时,什么也没有发生。键入 xm list1 后可以看到下面的输出:
Error: Error connecting to xend: Connection refused. Is xend running?
当你尝试手工运行
xend start 时,发现更多的错误:
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' )
最可能的原因就是你把主机启动到了非
xen-hypervisor 的内核。要解决这个问题,你必须在引导时选择 xen-hypervisor 内核(或在 grub.conf 文件里把 xen-hypervisor 内核设置为缺省选项)。