On Mon, Oct 27, 2014 at 6:42 PM, Glynn Clements <[email protected]> wrote: > Markus Neteler wrote: > >> GRASS 7.1.svn (nc_spm_08_grass7):~ > v.to.rast roadsmajor out=test >> use=attr attrcol=PROPYEAR memory=3000000 --o >> WARNING: No areas selected from vector map <roadsmajor> >> Current region rows: 135000, cols: 150000 >> ERROR: G_calloc: unable to allocate 18446744072484715136 * 4 bytes of >> memory at vector/v.to.rast/raster.c:84 > > $ printf '%x' 18446744072484715136 > ffffffffb6fe7a80 > > Those leading "f"s are a giveway. It's almost certain that a > calculation was done with 32-bit arithmetic, which overflowed to > produce a negative result (0xb6fe7a80 = -1224836480), which was then > converted to 64 bits with sign extension, then cast to unsigned. > >> ... only, it does not return to command line (have to use CTRL-C). > > It's possible that memory corruption has already occurred, resulting > in e.g. an infinite loop.
[...] In any case I would suggest to submit this patch to SVN since it helps the user to understand where the issue happens. thanks Markus _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
