[Bug 952315] Re: root filesystem not cleanly unmounted on reboot

[sourchier]

** Also affects: upstart
   Importance: Undecided
       Status: New

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Title:
  root filesystem not cleanly unmounted on reboot

Status in Upstart:
  New
Status in “upstart” package in Ubuntu:
  Confirmed

Bug description:
  12.04 beta, updated as of 11March2012.

  The message "mount: / busy" is seen as the system is shut down.
  During the reboot, messages from fsck regarding recovery of orphaned
  inodes are seen in the console.   These messages appear in kern.log:

  steve at precise:~$ grep -i orphan /var/log/kern.log
  Mar 11 09:29:00 precise kernel: [   12.398913] EXT4-fs (sda1): orphan cleanup on readonly fs
  Mar 11 09:29:00 precise kernel: [   12.399492] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 141316
  Mar 11 09:29:00 precise kernel: [   12.409021] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 267343
  Mar 11 09:29:00 precise kernel: [   12.409450] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 267325
  Mar 11 09:29:00 precise kernel: [   12.410062] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 267319
  Mar 11 09:29:00 precise kernel: [   12.410111] EXT4-fs (sda1): 4 orphan inodes deleted

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: upstart 1.4-0ubuntu8
  ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
  Uname: Linux 3.2.0-18-generic i686
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: i386
  Date: Sun Mar 11 09:23:29 2012
  ExecutablePath: /sbin/init
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111011)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  SourcePackage: upstart
  UpgradeStatus: Upgraded to precise on 2012-03-02 (8 days ago)

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