Segfault with miscmounts

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Hello,

I am trying to use cfengine's "miscmounts" section to control the
mount points in a batch cluster.

The actionsequence is set in cfagent.conf to:

    actionsequence = (
         editfiles

         directories
         files
         copy
         links

         mountinfo   # read what is actually mounted and what should
be
         addmounts   # add new mount points to /etc/fstab
         mountall    # mount what is *not* mounted, but should be

         tidy
    )

The cfagent.conf file imports cf.nfs:

  directories:
    # make mountpoints

    wn::
      # LCG stuff
      /experiment-software

    arc|wn::
      # NorduGrid
      /home/nordugrid-atlas
      /home/nordugrid-cms
      /home/nordugrid-lhcb


  miscmounts:

    arc|wn::
      # NorduGrid job spool area
      nfs-server:/local2/nordugrid-nfs/nordugrid-atlas
        /home/nordugrid-atlas
        mode=rw,intr,hard,udp,nolock,noatime,nodev,nosuid

      nfs-server:/local2/nordugrid-nfs/nordugrid-cms
        /home/nordugrid-cms
        mode=rw,intr,hard,udp,nolock,noatime,nodev,nosuid

      nfs-server:/local2/nordugrid-nfs/nordugrid-lhcb
        /home/nordugrid-lhcb
        mode=rw,intr,hard,udp,nolock,noatime,nodev,nosuid

    wn::
      # VO-specific software is exported to the whole cluster via NFS
      nfs-server:/local2/experiment-software
        /experiment-software
        mode=rw,intr,hard,udp,nolock,noatime,nodev,nosuid


If /etc/fstab entry differs from the one defined in cf.nfs, it tries
to unmount it, fails, and segfaults:

 
---------------------------------------------------------------------
  Checking miscellaneous mountables:
 
---------------------------------------------------------------------

  cfengine:wn22: Removing "/experiment-software" entry from /etc/fstab
to allow update:
  cfengine:wn22: ---------------------------------------------------
  cfengine:wn22: Unmount filesystem /experiment-software on
adm00.lcg.cscs.ch:/experiment-software
  cfengine:wn22: Moved /etc/
fstab_1204040063_Tue_Feb_26_16_34_54_2008_.cfsaved to repository
location /var/cfengine/repository/
_etc_fstab_1204040063_Tue_Feb_26_16_34_54_2008_.cfsaved
  Segmentation fault

The entry *is* actually removed from fstab, so on second run
cfengine does no longer crash, but does not mount the directories
either...
(which should happen on "mountall", I gather)

Running cfengine 2.2.3 on Scientific Linux CERN 4.6:

  # cfagent --version
  GNU cfengine 2.2.3
  Free Software Foundation 1994-
  Donated by Mark Burgess, Faculty of Engineering,
  Oslo University College, Norway
  This program is covered by the GNU Public License and may be
  copied free of charge.  No warranty is implied.

  # lsb_release  -a
  LSB Version:    :core-3.0-ia32:core-3.0-noarch:graphics-3.0-
ia32:graphics-3.0-noarch
  Distributor ID: ScientificCERNSLC
  Description:    Scientific Linux CERN SLC release 4.6 (Beryllium)
  Release:        4.6
  Codename:       Beryllium


Thanks in advance for any help!

Riccardo