[GRASS5] [bug #4079] (grass) Malloc errors with nviz elev=elevation.dem vect=roads

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this bug's URL: http://intevation.de/rt/webrt?serial_num=4079
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Subject: Malloc errors with nviz elev=elevation.dem vect=roads

Platform: Mac OSX
grass obtained from: Trento Italy site
grass binary for platform: Downloaded precompiled Binaries
GRASS Version: Grass-OSX-6.1.cvs-060204.dmg

Phil Kelly
I'm new to GRASS and GIS, so take these reports with a grain of salt, but feel free to contact me with questions.
I launched the new install and tried to follow the instructions in the neteler_grass6_nutshell2005.pdf.  I chose the spearfish60 dataset, and tried to create a new Mapset (with my user id (pwkelly).  Grass appeared to exit (which may be another bug).  I quit X11 and relaunched GRASS.  I now saw my "pwkelly" in the list with user1 and PERMANENT, and chose it and entered GRASS.
I then entered the NVIZ command shown in the log below.

Help is available with the command:      g.manual -i
See the licence terms with:              g.version -c
If required, restart the graphical user interface with: d.m &
When ready to quit enter:                exit
GRASS 6.1.cvs (spearfish60):~ > nviz elev=elevation.dem vect=roads
Loading Data
Update elev null mask
Loading Data
translating colors
Vector file roads loaded.
Total vect memory = 69 Kbytes
recalculating normals...
nviz(1182,0xa000ed68) malloc: ***  Deallocation of a pointer not malloced: 0x31d
edc8; This could be a double free(), or free() called with the middle of an allo
cated block; Try setting environment variable MallocHelp to see tools to help de
bug
nviz(1182,0xa000ed68) malloc: ***  Deallocation of a pointer not malloced: 0x31e
6c88; This could be a double free(), or free() called with the middle of an allo
cated block; Try setting environment variable MallocHelp to see tools to help de
bug
nviz(1182,0xa000ed68) malloc: ***  Deallocation of a pointer not malloced: 0x31e
2f88; This could be a double free(), or free() called with the middle of an allo
cated block; Try setting environment variable MallocHelp to see tools to help de
bug
nviz(1182,0xa000ed68) malloc: ***  Deallocation of a pointer not malloced: 0x32b
b4c8; This could be a double free(), or free() called with the middle of an allo
cated block; Try setting environment variable MallocHelp to see tools to help de
bug
nviz(1182,0xa000ed68) malloc: ***  Deallocation of a pointer not malloced: 0x33f
4708; This could be a double free(), or free() called with the middle of an allo
cated block; Try setting environment variable MallocHelp to see tools to help de
bug
nviz(1182,0xa000ed68) malloc: ***  Deallocation of a pointer not malloced: 0x33f
7448; This could be a double free(), or free() called with the middle of an allo
cated block; Try setting environment variable MallocHelp to see tools to help de
bug
nviz(1182,0xa000ed68) malloc: ***  Deallocation of a pointer not malloced: 0x33f
76c8; This could be a double free(), or free() called with the middle of an allo
cated block; Try setting environment variable MallocHelp to see tools to help de
bug
nviz(1182,0xa000ed68) malloc: ***  Deallocation of a pointer not malloced: 0x33f
edc8; This could be a double free(), or free() called with the middle of an allo
cated block; Try setting environment variable MallocHelp to see tools to help de
bug
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