.
Thread 1 (process 6631):
#0  0x00007f00c956a6ec in ?? () from /lib/libc.so.6
#1  0x00007f00c956ba24 in ?? () from /lib/libc.so.6
#2  0x00007f00c956cabe in realloc () from /lib/libc.so.6
#3  0x00007f00cb51b706 in ?? () from /usr/lib/libX11.so.6
#4  0x00007f00cb51c378 in ?? () from /usr/lib/libX11.so.6
#5  0x00007f00cb51c6e7 in XSubtractRegion () from /usr/lib/libX11.so.6
#6  0x0000000000427c48 in ?? ()
#7  0x00000000004286bb in paintTransformedOutput ()
#8  0x00007f00bd3bcfdd in ?? () from /usr/lib/compiz/lib3d.so
#9  0x00007f00bd7cd2e8 in ?? () from /usr/lib/compiz/libcube.so
#10 0x00007f00bd7cd4eb in ?? () from /usr/lib/compiz/libcube.so
#11 0x00007f00bd7cdc6a in ?? () from /usr/lib/compiz/libcube.so
#12 0x00007f00bd1b71f9 in staticPaintTransformedOutput (s=0xee5390, 
    sAttrib=0x63b980, transform=0x7fffd3c0a3a0, region=0xeecd80, 
    output=0xeecd70, mask=14) at static.c:103
	ss = (StaticScreen *) 0x1984650
#13 0x00007f00bcda66b3 in ?? () from /usr/lib/compiz/libexpo.so
#14 0x00000000004284d0 in paintOutput ()
#15 0x00007f00c2db3da2 in ?? () from /usr/lib/compiz/libresize.so
#16 0x00007f00bf3dce6c in ?? () from /usr/lib/compiz/libresizeinfo.so
#17 0x00007f00befc7d32 in ?? () from /usr/lib/compiz/libshift.so
#18 0x00007f00beba942e in ?? () from /usr/lib/compiz/libanimation.so
#19 0x00007f00be20409f in ?? () from /usr/lib/compiz/libwobbly.so
#20 0x00007f00bdbde785 in ?? () from /usr/lib/compiz/libstaticswitcher.so
#21 0x00007f00bd7caf7b in ?? () from /usr/lib/compiz/libcube.so
#22 0x00007f00bd3bd80c in ?? () from /usr/lib/compiz/lib3d.so
#23 0x00007f00bd1b738d in staticPaintOutput (s=0xee5390, sAttrib=0x63b980, 
    transform=0x4337a0, region=0xeecd80, output=0xeecd70, mask=3)
    at static.c:140
	status = 0
	ss = (StaticScreen *) 0x1984650
#24 0x00007f00bcfb09c4 in ?? () from /usr/lib/compiz/librotate.so
#25 0x00007f00bcda3351 in ?? () from /usr/lib/compiz/libexpo.so
#26 0x00000000004102d4 in paintScreen ()
#27 0x00007f00c3a13153 in ?? () from /usr/lib/compiz/libworkarounds.so
#28 0x00007f00befc5da9 in ?? () from /usr/lib/compiz/libshift.so
#29 0x00007f00bd7cae83 in ?? () from /usr/lib/compiz/libcube.so
#30 0x00007f00bcda6c39 in ?? () from /usr/lib/compiz/libexpo.so
#31 0x00000000004122b1 in eventLoop ()
#32 0x000000000040d085 in main ()