.
Thread 2 (process 6980):
#0  0x00007f7e2fdd23b2 in select () from /lib/libc.so.6
#1  0x00007f7e3149bb06 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007f7e313d32a5 in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007f7e2cd683ea in start_thread () from /lib/libpthread.so.0
#4  0x00007f7e2fdd9b9d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()
.
Thread 1 (process 6180):
#0  0x0000000000000000 in ?? ()
#1  0x00007f7e30397cf7 in ?? () from /usr/lib/libsolidcontrol.so.4
#2  0x00007f7e30398085 in Solid::Control::BluetoothManager::findBluetoothInterface () from /usr/lib/libsolidcontrol.so.4
#3  0x00007f7e3039523b in Solid::Control::BluetoothInterface::BluetoothInterface () from /usr/lib/libsolidcontrol.so.4
#4  0x000000000041d23d in _start ()