.
Thread 1 (process 7875):
#0  0xb78a7454 in ?? () from /usr/lib/libXrandr.so.2
#1  0x00060b91 in ?? ()
#2  0x082e8470 in ?? ()
#3  0x00000048 in ?? ()
#4  0xb79a6b2c in ?? () from /usr/lib/libX11.so.6
#5  0x00000000 in ?? ()