[Bug 195071] Re: umount's "device is busy" statement is verbose?

[Launchpad Bug Tracker]

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

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

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Title:
  umount's "device is busy" statement is verbose?

Status in “util-linux” package in Ubuntu:
  Expired

Bug description:
  Binary package hint: mount

  It is not immediately obvious what to do when mount reports that the
  "device is busy". Even to more experienced users it can be a bit of a
  surprise to get a "device is busy" message when lsof and fuser report
  that the filesystem is not in use (see below).

  Perhaps "umount" or "umount -v" could give more verbose output, see
  e.g. mount-v.sh (attached). An example:

  xp at 7.10:/media$ lsof | grep /media/sdb7
  xp at 7.10:/media$ sudo umount /media/sdb7 -v
  umount: /media/sdb7: device is busy
  umount: /media/sdb7: device is busy

  #Huh, why is this? 
  #More verbose output could make the cause clear:

  xp at 7.10:~/bin$ sudo ./umount-v.sh /media/sdb7
  umount: /media/sdb7: device is busy
  umount: /media/sdb7: device is busy
  The mountpoint /media/sdb7 is in use by:
  /tmp /media/sdb7/debootstrap/dapper/tmp none rw,bind 0 0
  /home/xp /media/sdb7/debootstrap/dapper/home/xp none rw,bind 0 0

  ProblemType: Bug
  Architecture: i386
  Date: Sun Feb 24 23:09:07 2008
  Dependencies:
   libgcc1 1:4.2.1-5ubuntu4
   libselinux1 2.0.15-2ubuntu1
   libsepol1 2.0.3-1
   gcc-4.2-base 4.2.1-5ubuntu4
   libc6 2.6.1-1ubuntu10
  DistroRelease: Ubuntu 7.10
  NonfreeKernelModules: cdrom floppy
  Package: mount 2.13-8ubuntu1
  PackageArchitecture: i386
  SourcePackage: util-linux
  Uname: Linux ubuntu-xp 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008 i686 GNU/Linux

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