[Bug 489499] Re: [SRU] An issue with rpc.mountd's --manage-gids option makes NFS operations hang

[Rolf Leggewie]

Hardy has seen the end of its life and is no longer receiving any
updates. Marking the Hardy task for this ticket as "Won't Fix".

** Changed in: nfs-utils (Ubuntu Hardy)
       Status: New => Won't Fix

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Title:
  [SRU] An issue with rpc.mountd's --manage-gids option makes NFS
  operations hang

Status in “nfs-utils” package in Ubuntu:
  Fix Released
Status in “nfs-utils” source package in Hardy:
  Won't Fix

Bug description:
  Hardy and possibly Intrepid are affected by a bug in rpc.mountd's
  --manage-gids option.

  This was fixed upstream somewhere between nfs-utils version 1.1.3 and
  1.1.4.  The problem is that mountd in nfs-utils <= 1.1.2 returns a
  negative response if there are no GIDs found for the UID on the server.
  The patch to rpc.mountd is trivial and makes it return a zero-length
  list which the kernel will handle correctly.

  Even though --manage-gids isn't switched on by default until Jaunty this
  bug should really be fixed as it completely breaks NFS-operation and
  there is really no logmessage indicating what is going on. The --manage-gids
  option is advertised in manpages.

  The patch to this problem was committed to the nfs-utils git repository
  in commit 86c3a79a108091fe08869a887438cc2d4e1126ed

  My thread on linux-nfs about this issue shows my difficulties tracing
  the problem: http://marc.info/?t=125847253800001&r=1&w=2

  J. Bruce Fields helped track it down to the commit above in this
  message: http://marc.info/?l=linux-nfs&m=125934869022070&w=2

  Attached is said commit to the git-repository as shown in Bruce's
  reply.

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