[Bug 974374] Re: Error on unmounting a NFSv4 share

[Raphael Thoma]

We saw today the same error on our linux boxes after a takeover has been
executed on the netapp heads.

All mountpoints we're visible as "/mountpoint (deleted)" in /proc/mounts
- however the mountpoints were still usable but couldn't be unmounted
without the /etc/mtab workaround (add \040(deleted) to the end of mount
path).

Uname -a:
Linux <hostname>-3 3.2.0-49-generic #75-Ubuntu SMP Tue Jun 18 17:39:32 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

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Title:
  Error on unmounting a NFSv4 share

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

Bug description:
  When unmounting an NFSv4 share I get the following error message:
  [mntent]: line <nr.> in /proc/mounts is bad

  The umount seems to succeed though.

  Package Info:
  nfs-common  1:1.2.5-3ubuntu2
  Linux 3.2.0-22-generic

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