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[Bug 1219529] Re: df -x tmpfs fails to exclude udev (/dev)

 

This bug still exists in 15.10 - confirming.

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https://bugs.launchpad.net/bugs/1219529

Title:
  df -x tmpfs fails to exclude udev (/dev)

Status in coreutils:
  New
Status in coreutils package in Ubuntu:
  Triaged

Bug description:
  The command:

  $ /bin/df -x tmpfs

  should exclude all filesystems of type tmpfs. The udev filesystem
  mounted at /dev is of this type:

  $ stat -f /dev
    File: "/dev"
      ID: 0        Namelen: 255     Type: tmpfs
  Block size: 4096       Fundamental block size: 4096
  Blocks: Total: 4109101    Free: 4109098    Available: 4109098
  Inodes: Total: 4109101    Free: 4108501

  However, df still displays this filesystem:

  $ df -l -x tmpfs
  Filesystem      1K-blocks      Used  Available Use% Mounted on
  ...
  udev             16436404        12   16436392   1% /dev
  ...

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: coreutils 8.20-3ubuntu5
  ProcVersionSignature: Ubuntu 3.8.0-29.42-generic 3.8.13.5
  Uname: Linux 3.8.0-29-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  Date: Sun Sep  1 15:05:40 2013
  InstallationDate: Installed on 2013-08-31 (0 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: coreutils
  UpgradeStatus: No upgrade log present (probably fresh install)

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