The person that installed gdal used a precompiled package, so he will try to install from source.
Thanks, John On 8/25/10, Frank Warmerdam <[email protected]> wrote: > John Mitchell wrote: >> I get the following error when running gdalwarp with the -multi switch: >> >> gdalwarp -multi -tr 1.2 1.2 -rc -s_srs EPSG:26917 -t_srs EPSG:26917 >> -co bigtiff=yes -q "17RMP395060.tif" >> "/tmp/gvAppTemp/gvApp2/m2.tiftemp" >> >> ERROR 1: CPLCreateThread() failed in ChunkAndWarpMulti() >> ERROR 1: CPLCreateThread() failed in ChunkAndWarpMulti() >> >> The -multi switch causes the error but if I take out the -multi switch >> then the command completes. >> >> When I do the same command on an older linux server with the -multi >> switch then the command does not error off, so it could be that the >> newer server has a later version of gdal that does not like -multi. >> >> The command will work without the -multi switch which I believe is >> supposed to run the gdalwarp command in multithreaded mode which in >> theory should be faster. >> >> On a 64 bit version of gdal running on a 64 bit linux does performance >> improve at all if the -multi switch is included and if so how can I >> prevent this error from occurring when using the -multi switch. > > John, > > It likely means the GDAL was built without threading support. If you > build yourself, consider using the --with-threads configure option. > > Best regards, > -- > ---------------------------------------+-------------------------------------- > I set the clouds in motion - turn up | Frank Warmerdam, > [email protected] > light and sound - activate the windows | http://pobox.com/~warmerdam > and watch the world go round - Rush | Geospatial Programmer for Rent > > -- John J. Mitchell _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
