[mapserver-users] PostGis Zoom problems

[luis lara]

¿que onda?
when i start mapserver for first time, i see the my
map very o.k., but when i want to "zoom in or zoom out
or pan" in the map...., the next map that i see 
appear totally in white!!!

i try to change then values in the "EXTENT" section,
and then re-start the mapserver for first time ...
then i'll see again everything ok... the problem exist
when i try to do something in the map

i am using:
postgres 7.2
mapserver 3.6.1
postgis 0.7.1
apache 1.3.26
debian potato
mpaserv -v OUTPUT=PNG OUTPUT=WBMP SUPPORTS=TTF
INPUT=EPPL7 INPUT=POSTGIS INPUT=OGR INPUT=GDAL
INPUT=SHAPEFILE


¿what i am doing wrong?

best regards
.
.
EXTENT 170000 2200000 430000 2400000 
.
.
LAYER
  NAME Guanajuato
  TYPE LINE
  STATUS OFF
  CONNECTIONTYPE postgis
  CONNECTION "user=postgres  dbname=prueba       
host=10.0.0.1"
  DATA "the_geom from denspob"
  LABELITEM pob_2000
  CLASS
    NAME "MANZANAS"
    COLOR 0 0 0
    OUTLINECOLOR 0 0 0
    LABEL
      FONT "Arialn"
      COLOR 110 0 0
SIZE MEDIUM
POSITION cc
    END
  END
END # Layer

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