#0  0x00007f258eedffef in memset () from /lib/libc.so.6
#1  0x0000000000434706 in dixAllocatePrivate ()
#2  0x0000000000434825 in dixLookupPrivate ()
#3  0x000000000049bf0d in ?? ()
#4  0x000000000046d71d in SigAbortDDX ()
#5  0x0000000000485ad8 in xf86SigHandler ()
#6  <signal handler called>
#7  0x00007f258eedffef in memset () from /lib/libc.so.6
#8  0x0000000000434706 in dixAllocatePrivate ()
#9  0x0000000000434825 in dixLookupPrivate ()
#10 0x000000000049bf0d in ?? ()
#11 0x000000000046d71d in SigAbortDDX ()
#12 0x00000000004fb33d in AbortServer ()
#13 0x00000000004fba30 in FatalError ()
#14 0x000000000046f62e in InitOutput ()
#15 0x0000000000433bde in main ()