#1 0x005c43d1 in sse2_blt () from /usr/lib/libpixman-1.so.0 #2 0x0058c324 in _pixman_implementation_blt () from /usr/lib/libpixman-1.so.0 #3 0x005b15a9 in pixman_blt () from /usr/lib/libpixman-1.so.0 #4 0x00376cca in fbCopyNtoN () from /usr/lib/xorg/modules/libfb.so #5 0x007d7a9a in uxa_copy_n_to_n () from /usr/lib/xorg/modules/drivers/intel_drv.so #6 0x081965e3 in miCopyRegion () #7 0x08196b0d in miDoCopy () #8 0x007d72f8 in uxa_copy_area () from /usr/lib/xorg/modules/drivers/intel_drv.so #9 0x0811d714 in damageCopyArea () #10 0x0806c9fd in ProcCopyArea () #11 0x0806e167 in Dispatch () #12 0x08062855 in main ()