[Bug 741258] Re: Unable to get exclusive lock This usually means that another package management application (like apt-get or aptitude) is already running. Please close that application first.

[RAMNATH]

The cause of the bug was due to the abnormal abort of dpkg during
upgrade. This abort has caused the lock of certain files which will not
allow you to run dpkg :(

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https://bugs.launchpad.net/bugs/741258

Title:
  Unable to get exclusive lock  This usually means that another package
  management application (like apt-get or aptitude) is already running.
  Please close that application first.

Status in “update-manager” package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: unity

  Unable to get exclusive lock

  This usually means that another package management application (like
  apt-get or aptitude) is already running. Please close that application
  first.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: unity 3.6.6-0ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
  Uname: Linux 2.6.38-7-generic i686
  Architecture: i386
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
  CompositorRunning: None
  DRM.card0.VGA.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1280x720 832x624 800x600 800x600 800x600 640x480 640x480 640x480 720x400
   edid-base64: AP///////wAEcgAyf0EggQwSAQNoIRN4yvMgm1dQjygmUFSt4ACBwAEBAQEBAQEBAQEBAQEBGh0AgFHQHCBAgDUATLsQAAAYAAAA/QA7Sx9ACgAKICAgICAgAAAA/ABYMTUzVwogICAgICAgAAAA/wBMQ0UwRDAwOTg1MDAKAHg=
  Date: Wed Mar 23 02:23:07 2011
  DistUpgraded: Log time: 2011-03-23 15:04:17.294673
  DistroCodename: natty
  DistroVariant: ubuntu
  DkmsStatus: nvidia-current, 270.30, 2.6.38-7-generic, i686: installed
  GdmLog2:
   
  GraphicsCard:
   nVidia Corporation C61 [GeForce 7025 / nForce 630a] [10de:03d6] (rev a2) (prog-if 00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Device [1043:83a4]
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  InstallationMedia_: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  InstallationMedia__: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  InstallationMedia___: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  Lsusb:
   Bus 002 Device 002: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 003: ID 0421:03a7 Nokia Mobile Phones 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: System manufacturer System Product Name
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=01CB87BE522259B0 loop=/hostname/disks/root.disk ro quiet splash
  ProcVersionSignature_: Ubuntu 2.6.38-7.38-generic 2.6.38
  ProcVersionSignature__: Ubuntu 2.6.38-7.38-generic 2.6.38
  ProcVersionSignature___: Ubuntu 2.6.38-7.38-generic 2.6.38
  Renderer: Software
  SourcePackage: unity
  UpgradeStatus: Upgraded to natty on 2011-03-23 (0 days ago)
  dmi.bios.date: 06/10/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1802
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M2N68-AM Plus
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1802:bd06/10/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2N68-AMPlus:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  version.compiz: compiz 1:0.9.4git20110322-0ubuntu3
  version.libdrm2: libdrm2 2.4.23-1ubuntu5
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
  version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu6

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