Daniele Sgandurra
2006-Sep-08 11:57 UTC
[Fedora-xen] Exception when starting xend: error while reading /vm/00000000-0000-0000-0000-000000000000/ssidref
I''ve been using Xen for 3 months, but now I''ve
problems when starting xend: I''m using Fedora 5 with
Xen installed from binaries (I have also tried with
compiled versions but it doesn''t work either):
$ uname -a
Linux localhost.localdomain 2.6.16-xen #1 SMP Mon Jul
3 18:18:42 CEST 2006 i686 i686 i386 GNU/Linux
$ python -V
Python 2.4.3
# xend start
# xm list
Error: Error connecting to xend: No such file or
directory. Is xend running?
This is the output from /var/log/xend.log:
--------------------------------------------
[2006-09-08 13:42:05 xend] INFO (SrvDaemon:278) Xend
Daemon started
[2006-09-08 13:42:05 xend] INFO (SrvDaemon:282) Xend
changeset: Thu Apr 13 15:18:37 2006 +0100
9617:5802713c159b.
[2006-09-08 13:42:05 xend.XendDomainInfo] DEBUG
(XendDomainInfo:200)
XendDomainInfo.recreate({''paused'': 0,
''cpu_time'':
30441112756L, ''ssidref'': 65537, ''handle'':
[0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
''shutdown_reason'': 0, ''dying'': 0,
''dom'': 0, ''mem_kb'':
429056, ''maxmem_kb'': -4, ''max_vcpu_id'': 0,
''crashed'':
0, ''running'': 1, ''shutdown'': 0,
''online_vcpus'': 1,
''blocked'': 0})
[2006-09-08 13:42:05 xend.XendDomainInfo] INFO
(XendDomainInfo:212) Recreating domain 0, UUID
00000000-0000-0000-0000-000000000000.
[2006-09-08 13:42:05 xend.XendDomainInfo] WARNING
(XendDomainInfo:234) (5, ''Input/output error, while
reading
/vm/00000000-0000-0000-0000-000000000000/ssidref'')
[2006-09-08 13:42:05 xend] ERROR (SrvDaemon:292)
Exception starting xend ((5, ''Input/output error,
while reading
/vm/00000000-0000-0000-0000-000000000000/ssidref''))
Traceback (most recent call last):
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/server/SrvDaemon.py",
line 286, in run
servers = SrvServer.create()
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/server/SrvServer.py",
line 108, in create
root.putChild(''xend'', SrvRoot())
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/server/SrvRoot.py",
line 40, in __init__
self.get(name)
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/web/SrvDir.py",
line 82, in get
val = val.getobj()
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/web/SrvDir.py",
line 52, in getobj
self.obj = klassobj()
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/server/SrvDomainDir.py",
line 39, in __init__
self.xd = XendDomain.instance()
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/XendDomain.py",
line 582, in instance
inst.init()
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/XendDomain.py",
line 77, in init
True))
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/XendDomainInfo.py",
line 236, in recreate
vm = XendDomainInfo(xeninfo, domid, dompath, True,
priv)
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/XendDomainInfo.py",
line 435, in __init__
self.augmentInfo(priv)
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/XendDomainInfo.py",
line 520, in augmentInfo
self.readVMDetails(entries))
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/XendDomainInfo.py",
line 463, in readVMDetails
return self.gatherVm(*params)
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/XendDomainInfo.py",
line 606, in gatherVm
return xstransact.Gather(self.vmpath, *args)
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/xenstore/xstransact.py",
line 305, in Gather
return complete(path, lambda t: t.gather(*args))
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/xenstore/xstransact.py",
line 325, in complete
result = f(t)
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/xenstore/xstransact.py",
line 305, in <lambda>
return complete(path, lambda t: t.gather(*args))
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/xenstore/xstransact.py",
line 179, in gather
val = self._read(key)
File
"/xen/xen-3.0.2-2/dist/install/usr/lib/python/xen/xend/xenstore/xstransact.py",
line 49, in _read
''%s, while reading %s'' % (ex.args[1], path))
RuntimeError: (5, ''Input/output error, while reading
/vm/00000000-0000-0000-0000-000000000000/ssidref'')
--------------------------------------------
I''ve tried to re-install Xen from binary or from
source but I cannot get it work.
Any ideas/suggestions?
Thank you very much.
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