Bug 338842 - Moving DNG images to another album corrupts DNG properties
Summary: Moving DNG images to another album corrupts DNG properties
Status: RESOLVED FIXED
Alias: None
Product: digikam
Classification: Applications
Component: Database-Files (show other bugs)
Version: 4.2.0
Platform: Kubuntu Linux
: NOR normal
Target Milestone: ---
Assignee: Digikam Developers
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-09-06 11:29 UTC by Sander van der Heijden
Modified: 2019-12-24 14:20 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In: 7.0.0


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Description Sander van der Heijden 2014-09-06 11:29:36 UTC
When moving a large number of DNG images to another collection, some of the DNG images have incorrect data. If this happened the DNG images are no longer displayed when filtering on DNG images. 

I've noticed the images table in the sqlite database contains 2 records for each of the moved images, for the corrupted images the first record contains a strange modification date and file size: 
3673	{null}	DSRC-6648.dng	3	1	1970-01-01T01:00:00	0	
3880	25	DSRC-6648.dng	1	1	2014-09-06T12:37:25	21463202	e2617c5e0b6e1c6bc07634960f578831



Reproducible: Sometimes

Steps to Reproduce:
1. Convert a large number of RAW images (>100?) in a specific album to DNG
2. Move the converted DNG images to a different album
3. 

Actual Results:  
Most of the DNG images are moved correctly, but for some images some off the image data is lost:
- Tooltip in grid layout shows some properties (amongst which size) to be unknown
- DNG files are not displayed in grid while filtering DNG images
- Images table in sqlite db contains 2 records for each image, with one record's modification date 1970-01-01 and filesize 0

Expected Results:  
- Image properties (like size) should be preserved
- DNG files should be visible while filtering DNG images
- Images table in database should contain a single record with updated album id

If an image is corrupted, the only way, as far as I know, to fix the image, is to delete all the records in the database with the specific image name...

Running Digikam 4.2.0 in Kubuntu 14.04
Comment 1 caulier.gilles 2014-09-06 12:08:06 UTC
Do you use XMP sidecar ?

Gilles Caulier
Comment 2 Sander van der Heijden 2014-09-06 12:28:58 UTC
(In reply to Gilles Caulier from comment #1)
> Do you use XMP sidecar ?
> 
> Gilles Caulier

Yes, metadata is only written to sidecars. Sidecar files are moved together with the DNG images
Comment 3 caulier.gilles 2014-09-06 12:31:13 UTC
But do you turn on read metadata from XMP sidecar ?

What about to reproduce the problem without to use XMP sidecar ? Just to test.

Gilles Caulier
Comment 4 Sander van der Heijden 2014-09-07 08:09:47 UTC
Hi Gilles,

Actually, I did not have read metadata from XMP sidecar turned on.
I have now tested the following scenario:
1. Convert a large number (say > 100) CR2 files to DNG
2. Move the DNG images to another album
with two different settings:
1. With both read from and write to XMP sidecars disabled
2. With both read from and write to XMP sidecars enabled

Before each test run, removed the DNG images from the database.
In both cases some of the DNG images (however not the same images) were not correctly handled.

As I pointed out earlier, I think something goes wrong in the database when moving the images.
Images that are correctly moved have the following records present:
3913	{null}	DSRC-6681.dng	3	1	2014-09-07T09:37:28	19843902	c829922663015c6cea8a6465e3910c2b
4101	25	DSRC-6681.dng	1	1	2014-09-07T09:37:28	19843902	c829922663015c6cea8a6465e3910c2b

Images that are not correct have the following:
3912	{null}	DSRC-6680.dng	3	1	1970-01-01T01:00:00	0	
4100	25	DSRC-6680.dng	1	1	2014-09-07T09:37:26	20216990	cbd4efc8f06566fb0e8d4b74f241d3b0

This raises a couple of questions:
- Why are there 2 records for 1 image when it's moved? (and why is not just the album updated?
- Why are modificiationdate and filesize different for the 2 records?
- What do status 1 and 3 mean?
Comment 5 Sander van der Heijden 2014-09-07 10:21:41 UTC
I'm not sure if this will help, but I rerun moving 188 DNG images using gdb.
This run 12 of those 188 images were not ok.
For those images the gdb output listed below contains the following messages:
- Could not create thumbnail
- Thumbnail is null

(gdb) run
Starting program: /usr/bin/digikam 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffd3a8b700 (LWP 17563)]
[New Thread 0x7fffcd169700 (LWP 17564)]
[New Thread 0x7fffcc968700 (LWP 17565)]
Object::connect: No such signal org::freedesktop::UPower::DeviceAdded(QDBusObjectPath)
Object::connect: No such signal org::freedesktop::UPower::DeviceRemoved(QDBusObjectPath)
[New Thread 0x7fffc7fff700 (LWP 17566)]
QSqlDatabasePrivate::removeDatabase: connection 'ConnectionTest' is still in use, all queries will cease to work.
[Thread 0x7fffc7fff700 (LWP 17566) exited]
[New Thread 0x7fffc7fff700 (LWP 17567)]
[New Thread 0x7fffc6848700 (LWP 17568)]
Bus::open: Can not get ibus-daemon's address. 
IBusInputContext::createInputContext: no connection to ibus-daemon 
[New Thread 0x7fffc49f0700 (LWP 17569)]
[Thread 0x7fffc49f0700 (LWP 17569) exited]
[New Thread 0x7fffc49f0700 (LWP 17570)]
[Thread 0x7fffc49f0700 (LWP 17570) exited]
[New Thread 0x7fffc49f0700 (LWP 17571)]
[New Thread 0x7fffaf53b700 (LWP 17572)]
[New Thread 0x7fffaed3a700 (LWP 17573)]
[New Thread 0x7fffae539700 (LWP 17574)]
[New Thread 0x7fffadd38700 (LWP 17575)]
[New Thread 0x7fffad537700 (LWP 17576)]
[New Thread 0x7fffacd36700 (LWP 17577)]
[New Thread 0x7fffac535700 (LWP 17578)]
[New Thread 0x7fffaa2ab700 (LWP 17579)]
[New Thread 0x7fffa9aaa700 (LWP 17580)]
[New Thread 0x7fffa92a9700 (LWP 17581)]
[New Thread 0x7fffa8aa8700 (LWP 17582)]
[New Thread 0x7fff83fff700 (LWP 17583)]
[New Thread 0x7fff837fe700 (LWP 17584)]
[New Thread 0x7fff82ffd700 (LWP 17585)]
[New Thread 0x7fff827fc700 (LWP 17586)]
[New Thread 0x7fff81ffb700 (LWP 17587)]
[New Thread 0x7fff817fa700 (LWP 17588)]
[New Thread 0x7fff80ff9700 (LWP 17589)]
[New Thread 0x7fff5ffff700 (LWP 17590)]
[New Thread 0x7fff5f7fe700 (LWP 17591)]
[New Thread 0x7fff5effd700 (LWP 17592)]
[New Thread 0x7fff5e7fc700 (LWP 17593)]
[New Thread 0x7fff5dffb700 (LWP 17594)]
[New Thread 0x7fff5d7fa700 (LWP 17595)]
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-130059-DSRC-6642.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-130125-DSRC-6643.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-130129-DSRC-6644.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-130159-DSRC-6645.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133214-DSRC-6646.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133226-DSRC-6647.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133353-DSRC-6648.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133549-DSRC-6649.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133621-DSRC-6650.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133648-DSRC-6651.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133727-DSRC-6652.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133747-DSRC-6653.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133757-DSRC-6654.dng" 
[New Thread 0x7fff34fbe700 (LWP 17610)]
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-133814-DSRC-6655.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-134517-DSRC-6656.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-134810-DSRC-6657.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-134847-DSRC-6658.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135003-DSRC-6661.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135032-DSRC-6662.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135110-DSRC-6663.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135125-DSRC-6664.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135141-DSRC-6665.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135147-DSRC-6666.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135155-DSRC-6667.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135210-DSRC-6668.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135316-DSRC-6669.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135343-DSRC-6670.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135515-DSRC-6671.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135524-DSRC-6672.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135527-DSRC-6673.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135532-DSRC-6674.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135650-DSRC-6675.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135717-DSRC-6676.dng" 
[New Thread 0x7fff2ffff700 (LWP 17611)]
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135734-DSRC-6677.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135739-DSRC-6678.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135752-DSRC-6679.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135802-DSRC-6680.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135919-DSRC-6681.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135929-DSRC-6682.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135938-DSRC-6683.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-135951-DSRC-6684.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-140243-DSRC-6685.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-140243-DSRC-6686.dng" 
[Thread 0x7fff5e7fc700 (LWP 17593) exited]
[Thread 0x7fff5ffff700 (LWP 17590) exited]
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-140502-DSRC-6689.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-140612-DSRC-6690.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-140633-DSRC-6691.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-140637-DSRC-6692.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-140651-DSRC-6693.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140834-DSRC-6701.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140832-DSRC-6700.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140834-DSRC-6701.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140832-DSRC-6700.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140832-DSRC-6700.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140832-DSRC-6700.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140834-DSRC-6701.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140834-DSRC-6701.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140832-DSRC-6700.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140832-DSRC-6700.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140834-DSRC-6701.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-140834-DSRC-6701.dng" 
[Thread 0x7fff5d7fa700 (LWP 17595) exited]
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-141552-DSRC-6702.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-141713-DSRC-6703.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-141720-DSRC-6704.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-141936-DSRC-6707.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-141939-DSRC-6708.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-142833-DSRC-6709.dng" 
[New Thread 0x7fff5d7fa700 (LWP 17612)]
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-143243-DSRC-6715.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-143243-DSRC-6715.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-143243-DSRC-6715.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-143243-DSRC-6715.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-143058-DSRC-6713.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-143144-DSRC-6714.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-143243-DSRC-6715.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-143301-DSRC-6716.dng" 
[New Thread 0x7fff5ffff700 (LWP 17613)]
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144049-DSRC-6719.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144053-DSRC-6720.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144221-DSRC-6721.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144240-DSRC-6722.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144327-DSRC-6723.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144350-DSRC-6724.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144356-DSRC-6725.dng" 
[Thread 0x7fff5effd700 (LWP 17592) exited]
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144434-DSRC-6726.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144448-DSRC-6727.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144750-DSRC-6728.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144751-DSRC-6729.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-144941-DSRC-6730.dng" 
[New Thread 0x7fff5effd700 (LWP 17614)]
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-145219-DSRC-6733.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-145239-DSRC-6734.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-145400-DSRC-6736.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-145904-DSRC-6737.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-145912-DSRC-6738.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-145932-DSRC-6739.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-145942-DSRC-6740.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-150037-DSRC-6741.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-151922-DSRC-6756.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-151922-DSRC-6756.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-151922-DSRC-6756.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-151922-DSRC-6756.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-151539-DSRC-6753.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-151731-DSRC-6754.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-151734-DSRC-6755.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-151922-DSRC-6756.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-152158-DSRC-6757.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-152348-DSRC-6758.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-152355-DSRC-6759.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-152533-DSRC-6761.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-153325-DSRC-6764.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-153325-DSRC-6764.dng" 
[New Thread 0x7fff5e7fc700 (LWP 17615)]
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-153325-DSRC-6764.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-153325-DSRC-6764.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-153325-DSRC-6764.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-153325-DSRC-6764.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-152608-DSRC-6762.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-152734-DSRC-6763.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-153325-DSRC-6764.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-153329-DSRC-6765.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-153426-DSRC-6766.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-153504-DSRC-6769.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-153630-DSRC-6770.dng" 
[New Thread 0x7fff2f7fe700 (LWP 17616)]
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154251-DSRC-6776.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154251-DSRC-6776.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154251-DSRC-6776.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154251-DSRC-6776.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154444-DSRC-6777.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154444-DSRC-6777.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154444-DSRC-6777.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154444-DSRC-6777.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-154149-DSRC-6774.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-154234-DSRC-6775.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-154251-DSRC-6776.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154444-DSRC-6777.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154444-DSRC-6777.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154444-DSRC-6777.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154444-DSRC-6777.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154724-DSRC-6781.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154724-DSRC-6781.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154724-DSRC-6781.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154724-DSRC-6781.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154724-DSRC-6781.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154724-DSRC-6781.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154724-DSRC-6781.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-154724-DSRC-6781.dng" 
[New Thread 0x7fff2effd700 (LWP 17617)]
[New Thread 0x7fff2e7fc700 (LWP 17618)]
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-154902-DSRC-6782.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-154912-DSRC-6783.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-155159-DSRC-6791.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-155159-DSRC-6791.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-155159-DSRC-6791.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-155159-DSRC-6791.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-155014-DSRC-6788.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-155059-DSRC-6789.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-155114-DSRC-6790.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-155159-DSRC-6791.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-155159-DSRC-6791.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-155159-DSRC-6791.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-155256-DSRC-6792.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-160722-DSRC-6793.dng" 
[New Thread 0x7fff2dffb700 (LWP 17619)]
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-162251-DSRC-6800.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-162251-DSRC-6800.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-162251-DSRC-6800.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-162251-DSRC-6800.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-161502-DSRC-6797.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-161529-DSRC-6798.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-161537-DSRC-6799.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-162251-DSRC-6800.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-162251-DSRC-6800.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-162251-DSRC-6800.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-162510-DSRC-6803.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-163642-DSRC-6810.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-163653-DSRC-6811.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-164725-DSRC-6819.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-164725-DSRC-6819.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-164725-DSRC-6819.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-164725-DSRC-6819.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-164725-DSRC-6819.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-164725-DSRC-6819.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-202936-DSRC-6831.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-202936-DSRC-6831.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::createThumbnail: Cannot create thumbnail for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-202936-DSRC-6831.dng" 
digikam(17559)/digikam (core) Digikam::ThumbnailCreator::load: Thumbnail is null for  "/media/sander/DATA/Foto's/1. Archief/2014/2014-08/2014-08-16/SVDH-20140816-202936-DSRC-6831.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-202843-DSRC-6830.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-202936-DSRC-6831.dng" 
digikam(17559)/digikam (core) Digikam::ImageInfo::ImageInfo: No itemShortInfo could be retrieved from the database for image "SVDH-20140816-203017-DSRC-6832.dng"
Comment 6 caulier.gilles 2014-09-07 11:22:42 UTC
Sound like a database corruption...

Can you start digiKam from a fresh account and process the same operations to see if it'"s reproducible ?

Gilles Caulier
Comment 7 Sander van der Heijden 2014-09-07 14:20:25 UTC
Started with a fresh database, but still the same errors.

Some additional debug info:

(gdb) bt
#0  0x00007ffff18fba30 in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1  0x00007fffee008f11 in Exiv2::ImageFactory::open(std::auto_ptr<Exiv2::BasicIo>) () from /usr/lib/libexiv2.so.12
#2  0x00007fffee008ffc in Exiv2::ImageFactory::open(std::string const&) () from /usr/lib/libexiv2.so.12
#3  0x00007ffff5c6211b in KExiv2Iface::KExiv2::load(QString const&) const () from /usr/lib/libkexiv2.so.11
#4  0x00007ffff557f446 in Digikam::DMetadata::load(QString const&) const () from /usr/lib/digikam/libdigikamcore.so.4.2.0
#5  0x00007ffff4fd6e1f in Digikam::ImageScanner::loadFromDisk() () from /usr/lib/digikam/libdigikamdatabase.so.4.2.0
#6  0x00007ffff4fd6fd9 in Digikam::ImageScanner::fileModified() () from /usr/lib/digikam/libdigikamdatabase.so.4.2.0
#7  0x00007ffff4f6f676 in Digikam::CollectionScanner::scanModifiedFile(QFileInfo const&, Digikam::ItemScanInfo const&) ()
   from /usr/lib/digikam/libdigikamdatabase.so.4.2.0
#8  0x00007ffff4f6fbbd in Digikam::CollectionScanner::scanFileNormal(QFileInfo const&, Digikam::ItemScanInfo const&) ()
   from /usr/lib/digikam/libdigikamdatabase.so.4.2.0
#9  0x00007ffff4f72002 in Digikam::CollectionScanner::scanAlbum(Digikam::CollectionLocation const&, QString const&) ()
   from /usr/lib/digikam/libdigikamdatabase.so.4.2.0
#10 0x00007ffff4f74ded in Digikam::CollectionScanner::partialScan(QString const&, QString const&) ()
   from /usr/lib/digikam/libdigikamdatabase.so.4.2.0
#11 0x00007ffff4f7521c in Digikam::CollectionScanner::partialScan(QString const&) ()
   from /usr/lib/digikam/libdigikamdatabase.so.4.2.0
#12 0x00000000005f0ed9 in ?? ()
#13 0x00007ffff1e9732f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#14 0x00007fffecec2182 in start_thread (arg=0x7fffcd169700) at pthread_create.c:312
#15 0x00007ffff10b5fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
Comment 8 caulier.gilles 2014-09-07 14:23:12 UTC
Why there is a backtrace ? you have got a crash ?

Gilles Caulier
Comment 9 Sander van der Heijden 2014-09-07 14:24:54 UTC
no it just stopped at an exception:

[Switching to Thread 0x7fffcd169700 (LWP 3064)]
Catchpoint 1 (exception thrown), 0x00007ffff18fba30 in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
Comment 10 caulier.gilles 2014-09-07 14:28:54 UTC
An exception sound like an error encored by... here Exiv2 shared lib.

This prevent crash if exception wrapping is well done. It's the case here.

Exiv2 is here called by database scanner to register item. Sound like something run badbly with Exiv2.

Can you try to read metadata from a DNG file using exiv2 CLI tool ?

Gilles Caulier
Comment 11 Sander van der Heijden 2014-09-07 14:35:21 UTC
Some more info...
I have encountered the same problem at 3 different computers (all running Kubuntu 14.04):
- inside a virtualbox environment on a Core i7 (quad core + HT) with 16 GB RAM
(tried 2 different configurations: 4 cores, 8 GB RAM and 1 core 4 GB RAM)
- an asus netbook with AMD dual core E-350 
- a custom notebook with Core i7 (quad core + HT_ with 16 GB RAM)
Comment 12 Sander van der Heijden 2014-09-07 14:41:29 UTC
(In reply to Gilles Caulier from comment #10)
> An exception sound like an error encored by... here Exiv2 shared lib.
> 
> This prevent crash if exception wrapping is well done. It's the case here.
> 
> Exiv2 is here called by database scanner to register item. Sound like
> something run badbly with Exiv2.
> 
> Can you try to read metadata from a DNG file using exiv2 CLI tool ?
> 
> Gilles Caulier


Error: Directory Canon with 25665 entries considered invalid; not read.
Bestandsnaam    : SVDH-20140816-150814-DSRC-6749.dng
Bestandsgrootte : 22043874 Bytes
MIME-type       : image/tiff
Afbeeldingsgrootte: 5202 x 3465
Merk camera     : Canon
Model camera    : Canon EOS 60D
Afbeeldingstijdstempel: 2014:08:16 15:08:14
Afbeeldingsnummer: 
Belichtingstijd : 1/80 s
Diafragma       : F5
Belichtingsafwijking: 0 EV
Flits           : No, compulsory
Flitsafwijking  : 
Brandpuntsafstand: 43.0 mm
Afstand tot het onderwerp: 
ISO-snelheid    : 
Belichtingsmodus: Auto
Lichtmeetmodus  : Multi-segment
Macromodus      : 
Afbeeldingskwaliteit: 
Exif-resolutie  : 5202 x 3465
Witbalans       : Auto
Miniatuur       : Geen
Auteursrecht    : 
Exif-commentaar :
Comment 13 caulier.gilles 2014-09-07 14:44:42 UTC
Can you share some DNG files to test on my computer ?

I need also to know all BQM settings used to process files :

- multicore
- Raw decoding
- List of tool assigned to the Queue,
-etc...

Gilles Caulier
Comment 14 Sander van der Heijden 2015-06-05 14:50:05 UTC
Gilles,

Just did another test run by converting 140 images (shot with my Canon 60D) from CR2 to DNG.
Moving the converted images into a new album in the same local collection went fine, but moving them to a new album in another local collection corrupted the data of 9 of the 140 dng files.

After running the following query against the database:

-- select * from images where name in (select name from images where fileSize = 0);
delete from images where name in (select name from images where fileSize = 0);

and refreshing the album in digiKam, part of the data of the corrupted DNGs seems to be restored...
However when hovering over those images it seems that ISO values are missing...

Sander
Comment 15 caulier.gilles 2015-06-05 14:53:13 UTC

*** This bug has been marked as a duplicate of bug 255137 ***
Comment 16 caulier.gilles 2019-12-24 14:20:15 UTC
Not reproducible using 7.0.0-beta1