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[Launchpad Bug Tracker <1178720@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1178720

Title:
  [MacBook7,1] System randomly fails to shut down

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Update: It seems like this happens only when multiple users are logged
  in, and the problem stil exists in the 3.9.0 Mainline kernel.

  When trying to power off or reboot the system, I get this output from the terminal (reconstructed from memory):
  * Asking all remaining services to terminate... [OK]
  * Kiling all remaining processes... [FAIL]
  * Switching to single-user mode...

  It then drops to a root shell. When I try to reboot or shutdown from
  there, I get the same error. I have to do a hard shutdown and then
  power the computer on again. Sometimes it fails to boot without any
  output (it gets stuck on a blinking underscore in the upper left
  corner.

  EXPECTED BEHAVIOUR
  When attempting to reboot or shut down with multiple users logged in, I would expect a warning about their programs being closed. After accepting, all users should be logged out and the computer halted.

  Ubuntu 13.04
  MacBook 7,1 (Mid 2011)

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-20-generic 3.8.0-20.31
  ProcVersionSignature: Ubuntu 3.8.0-20.31-generic 3.8.11
  Uname: Linux 3.8.0-20-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jlangvand   2905 F.... pulseaudio
  Date: Fri May 10 17:32:08 2013
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=d32c64e0-860f-451c-bdfd-fb8a72ef842e
  InstallationDate: Installed on 2012-10-11 (210 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MachineType: Apple Inc. MacBook7,1
  MarkForUpload: True
  ProcFB:

  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-20-generic root=UUID=3e9ae1e2-af6a-4ab9-94d3-372723f3f267 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-20-generic N/A
   linux-backports-modules-3.8.0-20-generic  N/A
   linux-firmware                            1.106
  SourcePackage: linux
  UpgradeStatus: Upgraded to raring on 2013-04-08 (31 days ago)
  dmi.bios.date: 06/01/10
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MB71.88Z.0039.B0B.1006012319
  dmi.board.name: Mac-F22C89C8
  dmi.board.vendor: Apple Inc.
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F22C89C8
  dmi.modalias: dmi:bvnAppleInc.:bvrMB71.88Z.0039.B0B.1006012319:bd06/01/10:svnAppleInc.:pnMacBook7,1:pvr1.0:rvnAppleInc.:rnMac-F22C89C8:rvr:cvnAppleInc.:ct10:cvrMac-F22C89C8:
  dmi.product.name: MacBook7,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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