Xen users - Apr 2006 - xend start error: operation not permitted

Hi, 

I just installed xen 3.0.0  on a Xeon machine and it gives this error when I try
to start xend. This same build has worked on other systems before.

Can someone throw some light on this. I am operating as root

Thanks
- Pak


[root@dnasim2 ~]# xend start

Traceback (most recent call last):

  File "/usr/sbin/xend", line 111, in ?

    sys.exit(main())

  File "/usr/sbin/xend", line 93, in main

    return daemon.start()

  File
"/usr/lib/python2.4/site-packages/xen/xend/server/SrvDaemon.py", line
507, in start

    self.daemonize()

  File
"/usr/lib/python2.4/site-packages/xen/xend/server/SrvDaemon.py", line
477, in daemonize

    os.setsid()

OSError: [Errno 1] Operation not permitted


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pak333@comcast.net wrote:
> Hi, 
> 
> I just installed xen 3.0.0  on a Xeon machine and it gives this error when
I try to start xend. This same build has worked on other systems before.
> 
> Can someone throw some light on this. I am operating as root
Not sure if that has something to do with your problem, but I realized, 
when testing xen on fedora 5 which has selinux enabled by default, I had 
some permission problems, even when running as root.

But you also might get more information from xend-debug.log.

Henning

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-------------- Original message ----------------------
From: Henning Sprang <henning_sprang@gmx.de>
> pak333@comcast.net wrote:
> > Hi, 
> > 
> > I just installed xen 3.0.0  on a Xeon machine and it gives this error
when I
> try to start xend. This same build has worked on other systems before.
> > 
> > Can someone throw some light on this. I am operating as root
> 
> Not sure if that has something to do with your problem, but I realized, 
> when testing xen on fedora 5 which has selinux enabled by default, I had 
> some permission problems, even when running as root.
> 
> But you also might get more information from xend-debug.log.
> 
> Henning
> 
=====================================================================xend-debug.log
shows

error connecting to xcs(ctrl)! (2)
Traceback (most recent call last):
  File "/usr/sbin/xend", line 111, in ?
    sys.exit(main())
  File "/usr/sbin/xend", line 93, in main
    return daemon.start()
  File
"/usr/lib/python2.4/site-packages/xen/xend/server/SrvDaemon.py", line
527, in start
    self.run()
  File
"/usr/lib/python2.4/site-packages/xen/xend/server/SrvDaemon.py", line
615, in run
    self.listenNotifier()
  File
"/usr/lib/python2.4/site-packages/xen/xend/server/SrvDaemon.py", line
637, in listenNotifier
    p.startListening()
  File
"/usr/lib/python2.4/site-packages/xen/xend/server/SrvDaemon.py", line
92, in startListening
    self._connectToProtocol()
  File
"/usr/lib/python2.4/site-packages/xen/xend/server/SrvDaemon.py", line
110, in _connectToProtocol
    self.startReading()
  File
"/usr/lib/python2.4/site-packages/twisted/internet/abstract.py", line
205, in startReading
    self.reactor.addReader(self)
  File
"/usr/lib/python2.4/site-packages/twisted/internet/pollreactor.py",
line 89, in addReader
    self._updateRegistration(fd)
  File
"/usr/lib/python2.4/site-packages/twisted/internet/pollreactor.py",
line 52, in _updateRegistration
    poller.unregister(fd)
ValueError: file descriptor cannot be a negative integer (-1)
=====================================================Don''t  know what
the problem is.  xend.log says the xend daemon has started

Thanks
-Pak




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