[ 1) created location]

projection: 1 (UTM)
zone: 47
  north:       3300000
  south:       0
  east:        1666000
  west:        0

  e-w res:     50
  n-s res:     50

total rows: 66000
total cols: 33320
total cells: 2,199,120,000


[ 2) import shp file]

GRASS 6.2.3 (utm47n3):~ > v.in.ogr dsn=Thai_GIS/lu2543s.shp output=lu2543s
A datum name wgs84 (WGS_1984) was specified without transformation parameters.
Note that the GRASS default for wgs84 is towgs84=0.000,0.000,0.000.
ERROR: Projection of dataset does not appear to match current location.

       LOCATION PROJ_INFO is:
       name: UTM
       datum: wgs84
       towgs84: 0.000,0.000,0.000
       proj: utm
       ellps: wgs84
       a: 6378137.0000000000
       es: 0.0066943800
       f: 298.2572235630
       zone: 47

       Dataset PROJ_INFO is:
       name: Transverse Mercator
       proj: tmerc
       datum: wgs84
       a: 6378137.0
       es: 0.006694379990141317
       lat_0: 0
       lon_0: 99
       k: 0.999600
       x_0: 500000
       y_0: 0
       no_defs: defined

       You can use the -o flag to v.in.ogr to override this check.
       Consider to generate a new location with 'location' parameter from
       input data set.


[3) import shp file]

GRASS 6.2.3 (utm47n3):~ > v.in.ogr dsn=Thai_GIS/lu2543s.shp output=lu2543s -o
A datum name wgs84 (WGS_1984) was specified without transformation parameters.
Note that the GRASS default for wgs84 is towgs84=0.000,0.000,0.000.
Over-riding projection check.
Proceeding with import...
Layer: lu2543s
WARNING: Default driver / database set to:
         driver: dbf
         database: $GISDBASE/$LOCATION_NAME/$MAPSET/dbf/
Importing map 89326 features...
-----------------------------------------------------
Building topology ...
162787 primitives registered      
Building areas:  100%
15407 areas built      
14236 isles built
Attaching islands:  100%
Attaching centroids:  100%
Topology was built.
Number of nodes     :   88204
Number of primitives:   162787
Number of points    :   0
Number of lines     :   0
Number of boundaries:   162787
Number of centroids :   0
Number of areas     :   15407
Number of isles     :   14236
Number of incorrect boundaries   :   148487
Number of areas without centroid :   15407
-----------------------------------------------------
WARNING: Cleaning polygons, result is not guaranteed!
Building topology ...
Topology was built.
Number of nodes     :   88204
Number of primitives:   162787
Number of points    :   0
Number of lines     :   0
Number of boundaries:   162787
Number of centroids :   0
Number of areas     :   -
Number of isles     :   -
-----------------------------------------------------
Break polygons:
Registering points ... 4611190assertion "n" failed: file "node.c", line 48
Aborted (core dumped)


[4) display imported vector file]

GRASS 6.2.3 (utm47n3):~ > d.vect lu2543s
WARNING: Cannot display areas, topology not available

GRASS 6.2.3 (utm47n3):~ > v.category input=lu2543s option=report
ERROR: Cannot open old vector lu2543s@PERMANENT on level 2