I did a yum update on Friday, and now xend fails to start. I've had no problems with Xen previously, and installed it using the instructions on the virtualization project page. [root@goo ramsdell]# /usr/sbin/xm list Error: Error connecting to xend: Connection refused. Is xend running? [root@goo ramsdell]# /usr/sbin/xend start ERROR: Could not obtain handle on privileged command interface (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 21, in ? import relocate File "/usr/lib/python2.4/site-packages/xen/xend/server/relocate.py", line 26, in ? from xen.xend import XendDomain File "/usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line 33, in ? import XendDomainInfo File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 37, in ? import image File "/usr/lib/python2.4/site-packages/xen/xend/image.py", line 31, in ? xc = xen.lowlevel.xc.xc() RuntimeError: (9, 'Bad file descriptor') [root@goo ramsdell]# cat /var/log/xend.log [root@goo ramsdell]# uname -a Linux goo 2.6.16-1.2111_FC5 #1 Thu May 4 21:16:58 EDT 2006 i686 i686 i386 GNU/Linux [root@goo ramsdell]# /usr/sbin/xm list Error: Error connecting to xend: Connection refused. Is xend running? [root@goo ramsdell]# sh-2.05b$
Opps. I boot the wrong kernel when I generated the above message. When the right kernel is booted, I cannot CD to /var/run/xenstored. Here is a corrected transcript: [ramsdell@goo ~]$ su - Password: [root@goo ~]# xm list Error: Error connecting to xend: Connection refused. Is xend running? [root@goo ~]# rm /var/log/xend.log rm: remove regular file `/var/log/xend.log'? y [root@goo ~]# xend start [root@goo ~]# cat /var/log/xend.log [root@goo ~]# xm list Error: Error connecting to xend: Connection refused. Is xend running? [root@goo ~]# cat /var/log/xend.log [root@goo ~]# uname -a Linux goo 2.6.16-1.2111_FC5xen0 #1 SMP Thu May 4 21:51:32 EDT 2006 i686 i686 i386 GNU/Linux [root@goo ~]#
Add... /var/run/xenstored is present, a xend restart produces output in /var/log/xend.log: sh-2.05b$ cat xend.log [2006-05-08 15:49:59 xend] INFO (SrvDaemon:285) Xend Daemon started [2006-05-08 15:49:59 xend] INFO (SrvDaemon:289) Xend changeset: unavailable . [2006-05-08 15:49:59 xend] ERROR (SrvDaemon:299) Exception starting xend ((111, 'Connection refused')) Traceback (most recent call last): File "/usr/lib/python2.4/site-packages/xen/xend/server/SrvDaemon.py", line 293, in run servers = SrvServer.create() File "/usr/lib/python2.4/site-packages/xen/xend/server/SrvServer.py", line 106, in create root.putChild('xend', SrvRoot()) File "/usr/lib/python2.4/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__ self.get(name) File "/usr/lib/python2.4/site-packages/xen/web/SrvDir.py", line 82, in get val = val.getobj() File "/usr/lib/python2.4/site-packages/xen/web/SrvDir.py", line 52, in getobj self.obj = klassobj() File "/usr/lib/python2.4/site-packages/xen/xend/server/SrvDomainDir.py", line 39, in __init__ self.xd = XendDomain.instance() File "/usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line 550, in instance inst.init() File "/usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line 70, in init xstransact.Mkdir(VMROOT) File "/usr/lib/python2.4/site-packages/xen/xend/xenstore/xstransact.py", line 317, in Mkdir complete(path, lambda t: t.mkdir(*args)) File "/usr/lib/python2.4/site-packages/xen/xend/xenstore/xstransact.py", line 323, in complete t = xstransact(path) File "/usr/lib/python2.4/site-packages/xen/xend/xenstore/xstransact.py", line 20, in __init__ self.transaction = xshandle().transaction_start() File "/usr/lib/python2.4/site-packages/xen/xend/xenstore/xsutil.py", line 18, in xshandle xs_handle = xen.lowlevel.xs.xs() RuntimeError: (111, 'Connection refused') sh-2.05b$
*** This bug has been marked as a duplicate of 190899 ***