.
Thread 1 (process 15968):
#0  0x00007f1e1ce12d70 in ?? () from /usr/lib/libQtDesignerComponents.so.4
#1  0x00007f1e1cea7c52 in ?? () from /usr/lib/libQtDesignerComponents.so.4
#2  0x00007f1e1cea7dd0 in ?? () from /usr/lib/libQtDesignerComponents.so.4
#3  0x00007f1e1ceaa0f8 in ?? () from /usr/lib/libQtDesignerComponents.so.4
#4  0x00007f1e1ce1129e in QDesignerComponents::createPropertyEditor ()
   from /usr/lib/libQtDesignerComponents.so.4
#5  0x00000000004431ae in ?? ()
#6  0x00000000004391a6 in ?? ()
#7  0x000000000043d886 in ?? ()
#8  0x00000000004320ad in ?? ()
#9  0x0000000000432786 in ?? ()
#10 0x0000000000430f5f in ?? ()
#11 0x00007f1e1ab3f466 in __libc_start_main () from /lib/libc.so.6
#12 0x0000000000419ab9 in ?? ()
#13 0x00007fff25432ea8 in ?? ()
#14 0x000000000000001c in ?? ()
#15 0x0000000000000001 in ?? ()
#16 0x00007fff25433c7e in ?? ()
#17 0x0000000000000000 in ?? ()