[Digikam-devel] Strange bug in digikam 0.80

[Rainer Krienke]

Hello,

I just tried to run digikam 0.8 (svn vers from today morning) on my home 
system (suse9.3 with kde 3.4.2). On another mostly identical system with only 
some photos it works fine. However on my home system there seems to be 
trouble with some images. When I start digikam it starts scanning items. I 
gets to 18% and there it stops using 100% CPU time. An strace on digikam 
shows the following when it stops. At this point nothing else happens:

open("/home/family/photos/beate/Jahr.2003(1)/09 (September)/img_0045.jpg", 
O_RDONLY) = 16
fstat64(16, {st_mode=S_IFREG|0664, st_size=1085807, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x4218f000
read(16, "\377\330\377\341!\376Exif\0\0II*\0\10\0\0\0\t\0\17\1\2"..., 4096) = 
4096
_llseek(16, 0, [0], SEEK_SET)           = 0
read(16, "\377\330\377\341!\376Exif\0\0II*\0\10\0\0\0\t\0\17\1\2"..., 4096) = 
4096
read(16, "\0\353T\27\17\0\205#\214\271`X\271\307\4\34c\25H\202\243"..., 4096) 
= 4096
read(16, "\270/f\235i\352\377\0\345\324{\262\324\3213\250X\320\222"..., 4096) 
= 4096

The image is 1085807 Bytes in size and I can open it without any problems 
using an image viewer. However digikam has problems here. It really "hangs" 
using 100% CPU. I can stop it pressing CTRL-C, so it not really hangs but 
does something but what?

Perhaps something with exif.The program  exif on this image says:
EXIF tags in 'img_0045.jpg' ('Intel' byte order):
--------------------+----------------------------------------------------------
Tag                 |Value
--------------------+----------------------------------------------------------
Hersteller          |Canon
Modell              |Canon PowerShot A70
Orientierung        |links - unten
Auflösung in x-Richt|180,00
Auflösung in y-Richt|180,00
Maßeinheit der Auflö|Inch
Datum und Uhrzeit   |2003:09:20 21:22:54
YCbCr Positionierung|zentriert
Kompression         |JPEG Kompression
Auflösung in x-Richt|180,00
Auflösung in y-Richt|180,00
Maßeinheit der Auflö|Inch
Belichtungszeit     |1/60 sec.
FNumber             |f/2,8
Exif Version        |Exif Version 2.2
Datum und Uhrzeit (o|2003:09:20 21:22:54
Datum und Uhrzeit (d|2003:09:20 21:22:54
ComponentsConfigurat|Y Cb Cr -
Compressed Bits per |3,00
Shutter speed       |189/32 sec. (APEX: 7)
Aperture            |f/2,8
Exposure Bias       |0,0
MaxApertureValue    |2,97
Metering Mode       |Pattern
Blitz               |Flash fired, auto mode, red-eye reduction mode
Focal Length        |5,4 mm
Anmerkungen des Hers|574 Byte(s) unbekannte Daten
Anmerkung des Nutzer|
FlashPixVersion     |FlashPix Version 1.0
Color Space         |sRGB
PixelXDimension     |2048
PixelYDimension     |1536
Focal Plane x-Resolu|9846,15
Focal Plane y-Resolu|9846,15
Focal Plane Resoluti|Inch
Sensing Method      |One-chip color area sensor
Dateiquelle         |DSC
Custom Rendered     |Normal process
Belichtungsart      |Automatische Belichtungzeit
White Balance       |Auto white balance
Digital Zoom Ratio  |1,00
Scene Capture Type  |Standard
InteroperabilityInde|R98
InteroperabilityVers|
RelatedImageWidth   |2048
RelatedImageLength  |1536
--------------------+----------------------------------------------------------
EXIF data contains a thumbnail (6639 bytes).


Any idea?

Thanks
Rainer
-- 
---------------------------------------------------------------------------
Rainer Krienke, Universitaet Koblenz, Rechenzentrum, Raum A022
Universitaetsstrasse 1, 56070 Koblenz, Tel: +49 261287 -1312, Fax: -1001312
Mail: krienke at uni-koblenz.de, Web: http://www.uni-koblenz.de/~krienke
Get my public PGP key: http://www.uni-koblenz.de/~krienke/mypgp.html
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