id summary reporter owner description type status priority milestone component version severity resolution keywords cc 2486 IReadBlock failure in gdaladdo antonio chaitanya "I'm using GDAL 1.5.2 on debian sid. Trying the following: {{{ #!sh $ gdal_translate -of VRT HDF5:test9001.h5://S01/SBI test9001.h5.vrt $ gdaladdo -r average test9001.h5.vrt 2 4 }}} I get an IReadBlock failure: {{{ 0...10...20...30...40...50...60...70...80...90.. Warning 1: TIFFReadDirectory:test9001.h5.vrt.ovr: Wrong ""StripByteCounts"" field, ignoring and calculating from imagelength Warning 1: TIFFReadDirectory:test9001.h5.vrt.ovr: Wrong ""StripByteCounts"" field, ignoring and calculating from imagelength ERROR 1: test9001.h5.vrt.ovr:DumpModeDecode: Not enough data for scanline 0 ERROR 1: TIFFReadEncodedTile() failed. ERROR 1: IReadBlock failed at X offset 0, Y offset 15 ERROR 1: GetBlockRef failed at X block offset 0, Y block offset 15 ERROR 1: test9001.h5.vrt.ovr:DumpModeDecode: Not enough data for scanline 0 ERROR 1: TIFFReadEncodedTile() failed. [CUT] ERROR 1: IReadBlock failed at X offset 1, Y offset 16 ERROR 1: GetBlockRef failed at X block offset 1, Y block offset 16 ERROR 1: test9001.h5.vrt.ovr:DumpModeDecode: Not enough data for scanline 128 ERROR 1: TIFFReadEncodedTile() failed. More than 1000 errors or warnings have been reported. No more will be reported from now. 100 - done. }}} The problem seems do be related to the ""-r average"" option. Attached the test files. " defect closed low 1.6.1 GDAL_Raster 1.5.2 normal worksforme GTiff warmerdam