#536: memory corruption ----------------------+----------------------------------------------------- Reporter: martinl | Owner: grass-dev@lists.osgeo.org Type: defect | Status: reopened Priority: blocker | Milestone: 7.0.0 Component: Vector | Version: svn-trunk Resolution: | Keywords: Platform: Linux | Cpu: x86-32 ----------------------+----------------------------------------------------- Comment (by martinl):
Replying to [comment:12 mmetz]: > Replying to [comment:11 martinl]: > > I was too quick - memory corrupted in v.info. > The earlier gdb didn't tell me a lot. Can you please run v.info with debug=2 or 3? At least I can work better with that. I'm willing to help, but I can't reproduce the problem and need more information. Here it is: {{{ D1/3: field = 1 name = (null), table = elev_ned10m_cont10m, key = cat, database = $GISDBASE/$LOCATION_NAME/$MAPSET/dbf/, driver = dbf D1/3: Dblinks read +----------------------------------------------------------------------------+ | Layer: elev_ned10m_cont10m | | Mapset: PERMANENT | | Location: nc_spm_08 | | Database: /home/martin/grassdata | | Title: South-West Wake 10m elevation contours from 10m NED | | Map scale: 1:1 | | Map format: native | | Name of creator: helena | | Organization: NC OneMap | | Source date: Tue Nov 7 20:59:46 2006 | |----------------------------------------------------------------------------| | Type of Map: vector (level: 2) | | | | Number of points: 0 Number of areas: 0 | | Number of lines: 1008 Number of islands: 0 | | Number of boundaries: 0 Number of faces: 0 | | Number of centroids: 0 Number of kernels: 0 | | | | Map is 3D: Yes | | Number of dblinks: 1 | | | D2/3: G__read_Cell_head D2/3: G__read_Cell_head_array D3/3: region item: proj: 99 D3/3: region item: zone: 0 D3/3: region item: north: 228495 D3/3: region item: south: 215005 D3/3: region item: east: 644995 D3/3: region item: west: 630005 D3/3: region item: cols: 1499 D3/3: region item: rows: 1349 D3/3: region item: e-w resol: 10 D3/3: region item: n-s resol: 10 D3/3: region item: top: 150 D3/3: region item: bottom: 60 D3/3: region item: cols3: 1499 D3/3: region item: rows3: 1349 D3/3: region item: depths: 90 D3/3: region item: e-w resol3: 10 D3/3: region item: n-s resol3: 10 D3/3: region item: t-b resol: 1 | Projection: Lambert Conformal Conic | | N: 228495 S: 215005 | | E: 644995 W: 630005 | | B: 60 T: 150 | | | D1/3: Vect_get_thresh(): thresh = 0.000000 | Digitization threshold: 0 | | Comments: | Segmentation fault }}} Debugging v.info in Emacs * In Vect_open_old_head() -> OK {{{ (gdb) p Map->head.line_3 $1 = 0x823c700 "" }}} * When I leave the function -> memory corrupted {{{ main (argc=2, argv=0xbfac2e54) at main.c:110 (gdb) p Map->head.line_3 $2 = 0x7b1ea71 <Address 0x7b1ea71 out of bounds> }}} Strange, I have no idea where is problem :-( Thanks for your help. -- Ticket URL: <http://trac.osgeo.org/grass/ticket/536#comment:13> GRASS GIS <http://grass.osgeo.org>
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