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List: kde-bugs-dist
Subject: [Bug 263272] Face Detection crashes on folders containing videos
From: Andrew Coles <andrew_coles () yahoo ! co ! uk>
Date: 2011-01-18 12:16:07
Message-ID: 20110118121607.EF66D7B9E8 () immanuel ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=263272
--- Comment #7 from Andrew Coles <andrew_coles yahoo co uk> 2011-01-18 13:16:05 ---
Okay, some more hunting - I'm trying to see if I can work out what's going on
here. Adding some debugging messages I get:
* Started to execute PreviewLoadingTask (LoadingProcess 0xc3bd2b8)
* Called LoadingCache::addLoadingProcess(0xc3bd2b8) for image
/home/amanda/Pictures/Test/aa056.jpg-previewImage-1600
...
* Destroying LoadingProcess at 0xc3bd2b8
So, a PreviewLoadingTask is started, and then destroyed *before it has finished
executing* and hence called LoadingCache::removeLoadingProcess.
The crash itself arises when another PreviewLoadingTask is started:
* Called LoadingCache::addLoadingProcess(0xc2dc290) for image
/home/amanda/Pictures/Test/aa057.jpg-previewImage-1600
* In LoadingCache::notifyNewLoadingProcess: notifying 0xc3bd2b8
...which attempts to call use the PreviewLoadingTask deleted above.
So it's nothing to do with face recognition; just that face recognition
stress-tests the multi-threaded image previewing code.
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