Program received signal SIGABRT, Aborted.
0x006ed402 in __kernel_vsyscall ()
(gdb) bt
#0  0x006ed402 in __kernel_vsyscall ()
#1  0x00428fa0 in raise () from /lib/libc.so.6
#2  0x0042a8b1 in abort () from /lib/libc.so.6
#3  0x0045febb in __libc_message () from /lib/libc.so.6
#4  0x00467f41 in _int_free () from /lib/libc.so.6
#5  0x0046b580 in free () from /lib/libc.so.6
#6  0x081bb591 in Xfree (ptr=0x0) at utils.c:1470
#7  0x00fd5a4a in fbDestroyPixmap (pPixmap=0x6) at fbpixmap.c:105
#8  0x001f066b in exaDestroyPixmap (pPixmap=0x8d2c760) at exa.c:218
#9  0x0816f054 in damageDestroyPixmap (pPixmap=0x8d2c760) at damage.c:1628
#10 0x006164e0 in XvDestroyPixmap (pPix=0x8d2c760) at xvmain.c:393
#11 0x080825d5 in dixDestroyPixmap (value=0x8d2c760, pid=4194652)
    at dispatch.c:1466
#12 0x08072bed in FreeResource (id=4194652, skipDeleteFuncType=0)
    at resource.c:536
#13 0x080841d3 in ProcFreePixmap (client=0x8cfcaf0) at dispatch.c:1540
#14 0x0814efd1 in XaceCatchDispatchProc (client=0x8cfcaf0) at xace.c:281
#15 0x0808936a in Dispatch () at dispatch.c:457
#16 0x080710a5 in main (argc=10, argv=0xbfa84d24, envp=Cannot access memory at address 0xf73
) at main.c:445