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

[Anonymous Linux User]

Just got hit by the same thing and completely unrelated to comment #4.
We had this with fully formed paths (with slashes) and an NFS server
that went away suddenly.   Trying unmount with -f , -l and those two
flags in combination did not solve the issue. When I tried the
suggestion in #7 I found it only has the effect of removing the line
describeing the mount in /etc/mtab but not in /proc/mounts  or actually
doing an umount. This is why, I think, the poster gets the hang in his
next comment (#8) as the mount is not actually unmounted, just no longer
tracked in /etc/mtab.

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https://bugs.launchpad.net/bugs/974374

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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