[Bug 1219297] [NEW] Digikam crashes when trying face detection option

[Slobodan Simic]

Public bug reported:

Every time I choose to scan my collection for faces digikam crashes.
KCrash Handler shows up and I tried to install debug packages to have more complete backtrace but
there is no -dbg packages for
libopencv_objdetect.so.2.4
libopencv_core.so.2.4
libkface.so.2
Version of digikam is 3.3.0 from ppa repo and I'll attach saved backtrace from KCrash Handler
and here are few lines from terminal where digikam was started. Note the "Fatal IO error" line

slobodan at athlon64:~$ digikam
QSqlDatabasePrivate::removeDatabase: connection 'ConnectionTest' is still in use, all queries will cease to work.
"/org/freedesktop/UDisks2/drives/ST2000VX000_9YW164_Z1E2R97M" : property "DeviceNumber" does not exist 
"/org/freedesktop/UDisks2/drives/ST2000VX000_9YW164_Z1E2R97M" : property "Device" does not exist 
"/org/freedesktop/UDisks2/drives/WDC_WD3200AAJB_00WGA0_WD_WCARW3894752" : property "DeviceNumber" does not exist 
"/org/freedesktop/UDisks2/drives/WDC_WD3200AAJB_00WGA0_WD_WCARW3894752" : property "Device" does not exist 
libv4l2: error getting pixformat: Invalid argument
"/org/freedesktop/UDisks2/drives/Floppy_Drive" : property "DeviceNumber" does not exist 
"/org/freedesktop/UDisks2/drives/Floppy_Drive" : property "Device" does not exist 
QSocketNotifier: Invalid socket 11 and type 'Read', disabling...
QSocketNotifier: Invalid socket 14 and type 'Read', disabling...
digikam: Fatal IO error: client killed
KCrash: Application 'digikam' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
sock_file=/home/slobodan/.kde/socket-athlon64/kdeinit4__0

[1]+  Stopped                 digikam
slobodan at athlon64:~$ QSocketNotifier: Invalid socket 24 and type 'Read', disabling...
QSocketNotifier: Invalid socket 15 and type 'Read', disabling...

[1]+  Exit 253                digikam

** Affects: kubuntu-ppa
     Importance: Undecided
         Status: New


** Tags: crash detection digikam face image scan

** Attachment added: "digikam_3.3.0_backtrace.txt"
   https://bugs.launchpad.net/bugs/1219297/+attachment/3796913/+files/digikam_3.3.0_backtrace.txt

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Title:
  Digikam crashes when trying face detection option

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