[diman@jinn ~]$ gdb digikam
GNU gdb (GDB) 7.2-alt2.1 (ALT Linux)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-alt-linux".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/digikam...Reading symbols from /usr/lib/debug/usr/bin/digikam.debug...done.
done.
(gdb) run
Starting program: /usr/bin/digikam 
/usr/bin/digikam: Symbol `_ZTVN4KIPI15ImageInfoSharedE' has different size in shared object, consider re-linking
[Thread debugging using libthread_db enabled]
[New Thread 0x7fffd3540700 (LWP 15185)]
[New Thread 0x7fffd2d3f700 (LWP 15186)]
[New Thread 0x7fffd253e700 (LWP 15187)]
QSqlDatabasePrivate::removeDatabase: connection 'ConnectionTest' is still in use, all queries will cease to work.
[Thread 0x7fffd253e700 (LWP 15187) exited]
[New Thread 0x7fffd253e700 (LWP 15188)]
Warning: option --plugin-path no longer exists.
Warning: option --plugin-path no longer exists.
Detaching after fork from child process 15189.
Detaching after fork from child process 15190.
[0x1159f48] main services discovery error: no suitable services discovery module
[New Thread 0x7fffcaf3a700 (LWP 15191)]
Detaching after fork from child process 15192.
[New Thread 0x7fffcacf3700 (LWP 15194)]
[New Thread 0x7fffc0b44700 (LWP 15205)]
[New Thread 0x7fffc0343700 (LWP 15206)]
[New Thread 0x7fffbfb42700 (LWP 15207)]

[New Thread 0x7fffbe0bc700 (LWP 15210)]
[Thread 0x7fffcacf3700 (LWP 15194) exited]
[Thread 0x7fffbfb42700 (LWP 15207) exited]
[Thread 0x7fffc0b44700 (LWP 15205) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffbe0bc700 (LWP 15210)]
__libc_realloc (oldmem=0xaf71, bytes=18446744038300652832) at malloc.c:3770
3770  const INTERNAL_SIZE_T oldsize = chunksize(oldp);
(gdb) bt
#0  __libc_realloc (oldmem=0xaf71, bytes=18446744038300652832) at malloc.c:3770
#1  0x00007fffe4174f87 in register_platform (d=0x7fffcc270650, dispatch=0x7fffe439ab60, name=<value optimized out>) at control.c:2015
#2  0x00007fffbd4b8806 in gp_port_library_list (list=0x7fffcc155880) at libusb.c:94
#3  0x00007ffff525a378 in foreach_func (filename=0x7fffcc1d5675 "/usr/lib64/libgphoto2_port/0.8.0/usb", data=0x7fffcc155880) at gphoto2-port-info-list.c:243
#4  0x00007fffeca9e791 in foreachfile_callback (dirname=0x7fffcc091590 "/usr/lib64/libgphoto2_port/0.8.0", data1=<value optimized out>, data2=0x7fffcc155880) at libltdl/ltdl.c:1845
#5  0x00007fffeca9e3e7 in foreach_dirinpath (search_path=<value optimized out>, base_name=0x0, func=0x7fffeca9e4c0 <foreachfile_callback>, data1=0x7fffbe0bba28, data2=0x7fffcc155880) at libltdl/ltdl.c:710
#6  0x00007fffeca9f3e1 in lt_dlforeachfile (search_path=<value optimized out>, func=0x7ffff525a2a0 <foreach_func>, data=0x7fffcc155880) at libltdl/ltdl.c:1874
#7  0x00007ffff525a78d in gp_port_info_list_load (list=0x7fffcc155880) at gphoto2-port-info-list.c:290
#8  0x0000000000639f57 in Digikam::GPCamera::autoDetect (model=..., port=...) at /usr/src/debug/digikam-2.5.0/utilities/cameragui/devices/gpcamera.cpp:1703
#9  0x00000000004c397e in Digikam::CameraAutoDetectThread::run (this=0x253acd0) at /usr/src/debug/digikam-2.5.0/utilities/setup/setupcamera.cpp:140
#10 0x00007ffff2a6c127 in QThreadPrivate::start (arg=0x253acd0) at thread/qthread_unix.cpp:298
#11 0x00007fffefd5a9aa in start_thread (arg=0x7fffbe0bc700) at pthread_create.c:297
#12 0x00007ffff1d5946d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()