Hi,
I'm also having this bug :
$ gdb digikam
GNU gdb (Debian 7.7.1+dfsg-3) 7.7.1
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Reading symbols from digikam...(no debugging symbols found)...done.
(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 0x7fffd0f7d700 (LWP 23380)]
[New Thread 0x7fffcadcc700 (LWP 23381)]
[New Thread 0x7fffca5cb700 (LWP 23382)]
Object::connect: No such signal org::freedesktop::UPower::DeviceAdded(QString)
Object::connect: No such signal org::freedesktop::UPower::DeviceRemoved(QString)
[New Thread 0x7fffc9dca700 (LWP 23383)]
QSqlDatabasePrivate::removeDatabase: connection 'ConnectionTest' is
still in use, all queries will cease to work.
[Thread 0x7fffc9dca700 (LWP 23383) exited]
[New Thread 0x7fffc9dca700 (LWP 23385)]
[New Thread 0x7fffb5c0d700 (LWP 23393)]
[Thread 0x7fffb5c0d700 (LWP 23393) exited]
[New Thread 0x7fffb5c0d700 (LWP 23394)]
[New Thread 0x7fffb540c700 (LWP 23395)]
[New Thread 0x7fffb498a700 (LWP 23396)]
[New Thread 0x7fffabffe700 (LWP 23397)]
[New Thread 0x7fffab7fd700 (LWP 23398)]
[New Thread 0x7fffaaffc700 (LWP 23399)]
[New Thread 0x7fffaa7fb700 (LWP 23400)]
[New Thread 0x7fffa9ffa700 (LWP 23401)]
[New Thread 0x7fffa97f9700 (LWP 23402)]
[New Thread 0x7fffa8ff8700 (LWP 23403)]
[New Thread 0x7fff83fff700 (LWP 23404)]
[New Thread 0x7fff7bfff700 (LWP 23405)]
[New Thread 0x7fff837fe700 (LWP 23406)]
[New Thread 0x7fff82ffd700 (LWP 23407)]
[New Thread 0x7fff827fc700 (LWP 23408)]
[New Thread 0x7fff81ffb700 (LWP 23409)]
[New Thread 0x7fff817fa700 (LWP 23410)]
[New Thread 0x7fff80ff9700 (LWP 23411)]
[New Thread 0x7fff7b7fe700 (LWP 23412)]
[New Thread 0x7fff7affd700 (LWP 23413)]
[New Thread 0x7fff7a7fc700 (LWP 23414)]
[New Thread 0x7fff79ffb700 (LWP 23415)]
[New Thread 0x7fff797fa700 (LWP 23416)]
[New Thread 0x7fff78ff9700 (LWP 23417)]
[New Thread 0x7fff43fff700 (LWP 23418)]
[New Thread 0x7fff3bfff700 (LWP 23419)]
[New Thread 0x7fff437fe700 (LWP 23420)]
[New Thread 0x7fff42ffd700 (LWP 23421)]
[New Thread 0x7fff427fc700 (LWP 23422)]
[New Thread 0x7fff41ffb700 (LWP 23423)]
[New Thread 0x7fff417fa700 (LWP 23424)]
[New Thread 0x7fff40ff9700 (LWP 23425)]
[New Thread 0x7fff3b7fe700 (LWP 23426)]
[New Thread 0x7fff3affd700 (LWP 23427)]
[New Thread 0x7fff3a7fc700 (LWP 23428)]
[New Thread 0x7fff39ffb700 (LWP 23429)]
[New Thread 0x7fff397fa700 (LWP 23430)]
[New Thread 0x7fff38ff9700 (LWP 23431)]
[New Thread 0x7fff21f4b700 (LWP 23447)]
[Thread 0x7fffb540c700 (LWP 23395) exited]
[Thread 0x7fff83fff700 (LWP 23404) exited]
[Thread 0x7fffa8ff8700 (LWP 23403) exited]
[Thread 0x7fffa97f9700 (LWP 23402) exited]
[Thread 0x7fff7bfff700 (LWP 23405) exited]
[Thread 0x7fffab7fd700 (LWP 23398) exited]
[Thread 0x7fff397fa700 (LWP 23430) exited]
[Thread 0x7fff3bfff700 (LWP 23419) exited]
[Thread 0x7fff427fc700 (LWP 23422) exited]
[Thread 0x7fff39ffb700 (LWP 23429) exited]
[Thread 0x7fff3affd700 (LWP 23427) exited]
[Thread 0x7fff43fff700 (LWP 23418) exited]
[Thread 0x7fff3b7fe700 (LWP 23426) exited]
[Thread 0x7fff797fa700 (LWP 23416) exited]
[Thread 0x7fff437fe700 (LWP 23420) exited]
[Thread 0x7fffb498a700 (LWP 23396) exited]
[Thread 0x7fff78ff9700 (LWP 23417) exited]
[Thread 0x7fff837fe700 (LWP 23406) exited]
[Thread 0x7fffabffe700 (LWP 23397) exited]
[Thread 0x7fff82ffd700 (LWP 23407) exited]
[Thread 0x7fff3a7fc700 (LWP 23428) exited]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffaaffc700 (LWP 23399)]
0x7fffedd216e5 in Exiv2::PreviewManager::getPreviewImage
(this=0x7fff98038fd0, properties=...)
at preview.cpp:1157
1157preview.cpp: No such file or directory.
(gdb) backtrace full
#0 0x7fffedd216e5 in Exiv2::PreviewManager::getPreviewImage
(this=0x7fff98038fd0, properties=...)
at preview.cpp:1157
loader = optimized out
buf = {pData_ = 0x7fffaaffb360 \340\263\377\252\377\177, size_ = 0}
#1 0x75c12902 in KExiv2Iface::KExiv2Previews::data
(this=0x7fffaaffb740, index=0)
at ../../libkexiv2/kexiv2previews.cpp:170
image = {properties_ = {mimeType_ = , extension_ = , size_
= 2868884432, width_ = 32767,
height_ = 4158587685, id_ = 32767}, pData_ = 0x0, size_ = 0}
#2 0x75c12a8b in KExiv2Iface::KExiv2Previews::image
(this=optimized out,
index=optimized out) at
