[Xen-bugs] [Bug 1182] New: "xm list" fails with "Error: (9, 'Bad file descriptor')"

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1182

           Summary: "xm list" fails with "Error: (9, 'Bad file descriptor')"
           Product: Xen
           Version: 3.0.3
          Platform: x86-64
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jnavratil@xxxxxxxxxxxx


Xen (Oracle VM) installed few weeks ago and we managed to create 6 virtual
machines (both Linux & Windows) and all was OK till today.
I was trying to restart one virtual machine. Shutdown went OK but I can't start
it anymore.

I realized I can't actually manage any of running domains any more. All xm
commands are failing with the same error "Error: (9, 'Bad file descriptor')"

The running domains are unaffected (still accessible). I haven't tried to
reboot the dom0 so far. 

Any ideas what should I check now ?

Thank you

Jan

===
[2008-02-29 20:21:29 2832] ERROR (xmlrpclib2:178) Internal error handling
xend.domains_with_state
Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/xen/util/xmlrpclib2.py", line 131, in
_marshaled_dispatch
    response = self._dispatch(method, params)
  File "/usr/lib/python2.4/SimpleXMLRPCServer.py", line 406, in _dispatch
    return func(*params)
  File "/usr/lib/python2.4/site-packages/xen/xend/server/XMLRPCServer.py", line
66, in domains_with_state
    domains = XendDomain.instance().list_sorted(state)
  File "/usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line 800, in
list_sorted
    doms = self.list(state)
  File "/usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line 770, in
list
    self._refresh(refresh_shutdown = False)
  File "/usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line 402, in
_refresh
    self.domains[domid].update(dom, refresh_shutdown)
  File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2200, in update
    self._update_consoles()
  File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 792,
in _update_consoles
    self.console_port = self.readDom('console/port')
  File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 845,
in readDom
    return xstransact.Read(self.dompath, *args)
  File "/usr/lib/python2.4/site-packages/xen/xend/xenstore/xstransact.py", line
298, in Read
    return complete(path, lambda t: t.read(*args))
  File "/usr/lib/python2.4/site-packages/xen/xend/xenstore/xstransact.py", line
352, in complete
    t = xstransact(path)
  File "/usr/lib/python2.4/site-packages/xen/xend/xenstore/xstransact.py", line
21, in __init__
    self.transaction = xshandle().transaction_start()
Error: (9, 'Bad file descriptor')


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