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[Xen-devel] Xend starting error on Xen-4.1.2

  • To: xen-devel <xen-devel@xxxxxxxxxxxxx>
  • From: Bei Guan <gbtju85@xxxxxxxxx>
  • Date: Thu, 29 Aug 2013 14:59:24 +0800
  • Delivery-date: Thu, 29 Aug 2013 06:59:54 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>


I have installed Xen-4.1.2 on Fedora8 and it works well.
However, it doesn't work recently. The verbose error information and xend log is provided. I compiled the Xen, but it doesn't work.
Any suggestion on this error is appreciated. Thank you very much in advance.

[root@localhost xen]# /etc/init.d/xencommons start
Starting xenconsoled...
[root@localhost xen]# /etc/init.d/xend start
[root@localhost xen]# xm list
Error: Unable to connect to xend: No such file or directory. Is xend running?
[root@localhost ~]# xenstore-ls
tool = ""
 xenstored = ""

[root@localhost ~]# cat /var/log/xen/xend-debug.log
Xend started at Thu Aug 29 14:45:44 2013.
Exception starting xend: (5, 'Input/output error, while reading /local/pool/0/uuid')

[root@localhost ~]# cat /var/log/xen/xend.log
[2013-08-29 14:45:44 7457] INFO (SrvDaemon:332) Xend Daemon started
[2013-08-29 14:45:44 7457] INFO (SrvDaemon:336) Xend changeset: unavailable.
[2013-08-29 14:45:44 7457] DEBUG (tcp:96) Listening on :8002
[2013-08-29 14:45:44 7457] DEBUG (XendNode:332) pscsi record count: 2
[2013-08-29 14:45:44 7457] DEBUG (XendCPUPool:747) recreate_active_pools
[2013-08-29 14:45:44 7457] ERROR (SrvDaemon:349) Exception starting xend ((5, 'Input/output error, while reading /local/pool/0/uuid'))
Traceback (most recent call last):
  File "usr/lib/python2.5/site-packages/xen/xend/server/SrvDaemon.py", line 341, in run
    servers = SrvServer.create()
  File "usr/lib/python2.5/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "usr/lib/python2.5/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
  File "usr/lib/python2.5/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "usr/lib/python2.5/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "usr/lib/python2.5/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "usr/lib/python2.5/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "usr/lib/python2.5/site-packages/xen/xend/XendNode.py", line 163, in __init__
  File "usr/lib/python2.5/site-packages/xen/xend/XendNode.py", line 382, in _init_cpu_pools
  File "usr/lib/python2.5/site-packages/xen/xend/XendCPUPool.py", line 754, in recreate_active_pools
    uuid = xstransact.Read(path, 'uuid')
  File "usr/lib/python2.5/site-packages/xen/xend/xenstore/xstransact.py", line 307, in Read
    return complete(path, lambda t: t.read(*args))
  File "usr/lib/python2.5/site-packages/xen/xend/xenstore/xstransact.py", line 363, in complete
    result = f(t)
  File "usr/lib/python2.5/site-packages/xen/xend/xenstore/xstransact.py", line 307, in <lambda>
    return complete(path, lambda t: t.read(*args))
  File "usr/lib/python2.5/site-packages/xen/xend/xenstore/xstransact.py", line 72, in read
    return self._read(args[0])
  File "usr/lib/python2.5/site-packages/xen/xend/xenstore/xstransact.py", line 59, in _read
    '%s, while reading %s' % (ex.args[1], path))
RuntimeError: (5, 'Input/output error, while reading /local/pool/0/uuid')
[2013-08-29 14:45:44 7456] INFO (SrvDaemon:220) Xend exited with status 1.

Best Regards,
Bei Guan
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