[Digikam-devel] [Bug 291627] New: nef data loss after geotaging

[serge at pdmi.ras.ru]

https://bugs.kde.org/show_bug.cgi?id=291627

           Summary: nef data loss after geotaging
           Product: digikam
           Version: 2.5.0
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: Geolocation
        AssignedTo: digikam-devel at kde.org
        ReportedBy: serge at pdmi.ras.ru


Version:           2.5.0 (using KDE 4.7.3) 
OS:                Linux

When geotaging of big portion of NEF images (>100) with writing the metadata
into the images, digikam often crashes. Very approximately I usually have ~ 1
crash corresponding to ~ 50 images. Before with digikam 1.9 this never lead to
data corruption. Now, with digikam 2.5 or digikam 2.4.1 I discover several
corrupted nef files. Perhaps crashes are another bug, lets speak here about nef
structure corruption. My NEFs are from Nikon D90.

Reproducible: Sometimes

Steps to Reproduce:
1) Enable writing the metadata into RAW
2) Geotag the big portion of NEF files (~ 500)
3) If digikam crashes, find the first unchanged file and resume the process of
geotagging
4) When all files are geotagged, run 

ALL=`find -iname "*NEF"
for arg in $ALL; do exiftool -htmlDump $arg | grep Error; done

to find the broken files in the current directory.

Actual Results:  
Yesterday I geotagged ~ 500 files and 4 ones were corrupted. 

Expected Results:  
This is serious data loss - these NEF are not recoverable anymore: see output
of exiftool -htmlDump

This should be fixed.

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