after upgrading dump&libc to match kernel problem persist


  DUMP: WARNING Label `*******************' is larger than limit of 15
characters.
  DUMP: WARNING: Using truncated label `**************'.
  DUMP: Date of this level 0 dump: Wed Dec 19 22:09:05 2001
  DUMP: Date of last level 0 dump: the epoch
  DUMP: Dumping /dev/rwd0a (/) to /tmp/dump
  DUMP: Label: polbrok.3miasto
  DUMP: mapping (Pass I) [regular files]
  DUMP: mapping (Pass II) [directories]
  DUMP: estimated 19145 tape blocks on 0.10 tape(s).
  DUMP: Volume 1 started at: Wed Dec 19 22:10:04 2001
  DUMP: dumping (Pass III) [directories]

until here all is right making about 320kB of data in output file

  DUMP: dumping (Pass IV) [regular files]

and now it start working forever giving no output.....

what's wrong. i'm using dump on 8 similar machines without problems