"Cannot acquire lock" error with Maverick

Bug #612693 reported by Andreas Hasenack
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Landscape Client
New
Undecided
Unassigned

Bug Description

Got this error on a Maverick client:

Script started on Mon 02 Aug 2010 01:52:08 PM EDT
root@limelight[/tmp:994]% lansdscaplee-client
2010-08-02 13:52:17,324 INFO [MainThread] Watchdog watching for daemons.
2010-08-02 13:52:17,504 INFO [MainThread] Broker started with config /etc/landscape/client.conf
2010-08-02 13:52:17,510 INFO [MainThread] Manager started with config /etc/landscape/client.conf
Traceback (most recent call last):
  File "/usr/bin/landscape-manager", line 8, in <module>
    run(sys.argv)
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 59, in run
    run_landscape_service(ManagerConfiguration, ManagerService, args)
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 79, in run_landscape_service
    startApplication(application, False)
  File "/usr/lib/python2.6/dist-packages/twisted/application/app.py", line 648, in startApplication
    service.IService(application).startService()
  File "/usr/lib/python2.6/dist-packages/twisted/application/service.py", line 278, in startService
    service.startService()
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 39, in startService
    super(ManagerService, self).startService()
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 45, in startService
    self.port = self.reactor.listen_unix(self.socket, self.factory)
  File "/usr/lib/python2.6/dist-packages/landscape/reactor.py", line 162, in listen_unix
    return self._reactor.listenUNIX(socket, factory, wantPID=True)
  File "/usr/lib/python2.6/dist-packages/twisted/internet/posixbase.py", line 380, in listenUNIX
    p.startListening()
  File "/usr/lib/python2.6/dist-packages/twisted/internet/unix.py", line 101, in startListening
    raise CannotListenError, (None, self.port, "Cannot acquire lock")
twisted.internet.error.CannotListenError: Couldn't listen on any:/var/lib/landscape/client/sockets/manager.sock: Cannot acquire lock.
2010-08-02 13:52:17,590 INFO [MainThread] Monitor started with config /etc/landscape/client.conf
2010-08-02 13:52:17,591 INFO [MainThread] Registering plugin landscape.monitor.activeprocessinfo.ActiveProcessInfo.
2010-08-02 13:52:17,591 INFO [MainThread] Registering plugin landscape.monitor.computerinfo.ComputerInfo.
2010-08-02 13:52:17,591 INFO [MainThread] Registering plugin landscape.monitor.hardwareinventory.HardwareInventory.
2010-08-02 13:52:17,592 INFO [MainThread] Registering plugin landscape.monitor.loadaverage.LoadAverage.
2010-08-02 13:52:17,592 INFO [MainThread] Registering plugin landscape.monitor.memoryinfo.MemoryInfo.
2010-08-02 13:52:17,592 INFO [MainThread] Registering plugin landscape.monitor.mountinfo.MountInfo.
2010-08-02 13:52:17,592 INFO [MainThread] Registering plugin landscape.monitor.processorinfo.ProcessorInfo.
2010-08-02 13:52:17,592 INFO [MainThread] Registering plugin landscape.monitor.temperature.Temperature.
2010-08-02 13:52:17,592 INFO [MainThread] Registering plugin landscape.monitor.packagemonitor.PackageMonitor.
2010-08-02 13:52:17,593 INFO [MainThread] Registering plugin landscape.monitor.usermonitor.UserMonitor.
2010-08-02 13:52:17,594 INFO [MainThread] Registering plugin landscape.monitor.rebootrequired.RebootRequired.
2010-08-02 13:52:17,595 INFO [MainThread] Registering plugin landscape.monitor.aptpreferences.AptPreferences.
2010-08-02 13:52:17,595 INFO [MainThread] Registering plugin landscape.monitor.networkactivity.NetworkActivity.
2010-08-02 13:52:17,595 INFO [MainThread] Registering plugin landscape.monitor.networkdevice.NetworkDevice.
2010-08-02 13:52:17,599 INFO [MainThread] Queueing message with updated reboot-required status.
2010-08-02 13:52:17,734 INFO [MainThread] Manager started with config /etc/landscape/client.conf
Traceback (most recent call last):
  File "/usr/bin/landscape-manager", line 8, in <module>
    run(sys.argv)
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 59, in run
    run_landscape_service(ManagerConfiguration, ManagerService, args)
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 79, in run_landscape_service
    startApplication(application, False)
  File "/usr/lib/python2.6/dist-packages/twisted/application/app.py", line 648, in startApplication
    service.IService(application).startService()
  File "/usr/lib/python2.6/dist-packages/twisted/application/service.py", line 278, in startService
    service.startService()
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 39, in startService
    super(ManagerService, self).startService()
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 45, in startService
    self.port = self.reactor.listen_unix(self.socket, self.factory)
  File "/usr/lib/python2.6/dist-packages/landscape/reactor.py", line 162, in listen_unix
    return self._reactor.listenUNIX(socket, factory, wantPID=True)
  File "/usr/lib/python2.6/dist-packages/twisted/internet/posixbase.py", line 380, in listenUNIX
    p.startListening()
  File "/usr/lib/python2.6/dist-packages/twisted/internet/unix.py", line 101, in startListening
    raise CannotListenError, (None, self.port, "Cannot acquire lock")
twisted.internet.error.CannotListenError: Couldn't listen on any:/var/lib/landscape/client/sockets/manager.sock: Cannot acquire lock.
2010-08-02 13:52:17,973 INFO [MainThread] Manager started with config /etc/landscape/client.conf
Traceback (most recent call last):
  File "/usr/bin/landscape-manager", line 8, in <module>
    run(sys.argv)
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 59, in run
    run_landscape_service(ManagerConfiguration, ManagerService, args)
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 79, in run_landscape_service
    startApplication(application, False)
  File "/usr/lib/python2.6/dist-packages/twisted/application/app.py", line 648, in startApplication
    service.IService(application).startService()
  File "/usr/lib/python2.6/dist-packages/twisted/application/service.py", line 278, in startService
    service.startService()
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 39, in startService
    super(ManagerService, self).startService()
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 45, in startService
    self.port = self.reactor.listen_unix(self.socket, self.factory)
  File "/usr/lib/python2.6/dist-packages/landscape/reactor.py", line 162, in listen_unix
    return self._reactor.listenUNIX(socket, factory, wantPID=True)
  File "/usr/lib/python2.6/dist-packages/twisted/internet/posixbase.py", line 380, in listenUNIX
    p.startListening()
  File "/usr/lib/python2.6/dist-packages/twisted/internet/unix.py", line 101, in startListening
    raise CannotListenError, (None, self.port, "Cannot acquire lock")
twisted.internet.error.CannotListenError: Couldn't listen on any:/var/lib/landscape/client/sockets/manager.sock: Cannot acquire lock.
2010-08-02 13:52:18,199 INFO [MainThread] Manager started with config /etc/landscape/client.conf
Traceback (most recent call last):
  File "/usr/bin/landscape-manager", line 8, in <module>
    run(sys.argv)
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 59, in run
    run_landscape_service(ManagerConfiguration, ManagerService, args)
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 79, in run_landscape_service
    startApplication(application, False)
  File "/usr/lib/python2.6/dist-packages/twisted/application/app.py", line 648, in startApplication
    service.IService(application).startService()
  File "/usr/lib/python2.6/dist-packages/twisted/application/service.py", line 278, in startService
    service.startService()
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 39, in startService
    super(ManagerService, self).startService()
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 45, in startService
    self.port = self.reactor.listen_unix(self.socket, self.factory)
  File "/usr/lib/python2.6/dist-packages/landscape/reactor.py", line 162, in listen_unix
    return self._reactor.listenUNIX(socket, factory, wantPID=True)
  File "/usr/lib/python2.6/dist-packages/twisted/internet/posixbase.py", line 380, in listenUNIX
    p.startListening()
  File "/usr/lib/python2.6/dist-packages/twisted/internet/unix.py", line 101, in startListening
    raise CannotListenError, (None, self.port, "Cannot acquire lock")
twisted.internet.error.CannotListenError: Couldn't listen on any:/var/lib/landscape/client/sockets/manager.sock: Cannot acquire lock.
2010-08-02 13:52:18,421 INFO [MainThread] Manager started with config /etc/landscape/client.conf
Traceback (most recent call last):
  File "/usr/bin/landscape-manager", line 8, in <module>
    run(sys.argv)
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 59, in run
    run_landscape_service(ManagerConfiguration, ManagerService, args)
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 79, in run_landscape_service
    startApplication(application, False)
  File "/usr/lib/python2.6/dist-packages/twisted/application/app.py", line 648, in startApplication
    service.IService(application).startService()
  File "/usr/lib/python2.6/dist-packages/twisted/application/service.py", line 278, in startService
    service.startService()
  File "/usr/lib/python2.6/dist-packages/landscape/manager/service.py", line 39, in startService
    super(ManagerService, self).startService()
  File "/usr/lib/python2.6/dist-packages/landscape/service.py", line 45, in startService
    self.port = self.reactor.listen_unix(self.socket, self.factory)
  File "/usr/lib/python2.6/dist-packages/landscape/reactor.py", line 162, in listen_unix
    return self._reactor.listenUNIX(socket, factory, wantPID=True)
  File "/usr/lib/python2.6/dist-packages/twisted/internet/posixbase.py", line 380, in listenUNIX
    p.startListening()
  File "/usr/lib/python2.6/dist-packages/twisted/internet/unix.py", line 101, in startListening
    raise CannotListenError, (None, self.port, "Cannot acquire lock")
twisted.internet.error.CannotListenError: Couldn't listen on any:/var/lib/landscape/client/sockets/manager.sock: Cannot acquire lock.
2010-08-02 13:52:18,465 ERROR [MainThread] Can't keep landscape-manager running. Exiting.
2010-08-02 13:52:18,466 INFO [MainThread] Stopping client...
2010-08-02 13:52:18,569 INFO [MainThread] 0 of 0 expected load average snapshot events (0.00%) occurred in the last 0.98s.
2010-08-02 13:52:18,569 INFO [MainThread] 0 of 0 expected memory/swap snapshot events (0.00%) occurred in the last 0.98s.
2010-08-02 13:52:18,569 INFO [MainThread] 0 of 0 expected mount info snapshot events (0.00%) occurred in the last 0.98s.
2010-08-02 13:52:19,469 INFO [MainThread] Broker stopped with config /etc/landscape/client.conf
root@limelight[/tmp:995]% exit

Script done on Mon 02 Aug 2010 01:52:21 PM EDT

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