(gdb) r -q 10 test2.ts -o test2.mp4 384x240 Starting program: /usr/local/bin/x264 -q 10 test2.ts -o test2.mp4 384x240 (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) [Thread debugging using libthread_db enabled] [New Thread -1483511456 (LWP 8273)] (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) x264 [info]: using cpu capabilities MMX MMXEXT SSE SSE2 3DNow! mp4 [info]: initial delay 0 (scale 25) x264 [info]: slice I:56 Avg QP: 7.00 size:177703 PSNR Mean Y:53.55 U:53.54 V:53.53 Avg:53.54 Global:53.54 x264 [info]: mb I I16..4: 5.4% 0.0% 94.6% x264 [info]: PSNR Mean Y:53.546 U:53.542 V:53.534 Avg:53.543 Global:53.543 kb/s:35540.54 Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1483511456 (LWP 8273)] 0xa7b260c0 in free () from /lib/tls/libc.so.6 (gdb) bt #0 0xa7b260c0 in free () from /lib/tls/libc.so.6 #1 0x08065ea3 in ?? () #2 0xa76a9020 in ?? () #3 0xa7bef840 in __malloc_initialize_hook () from /lib/tls/libc.so.6 #4 0x083cad90 in ?? () #5 0xafbd7698 in ?? () #6 0xa7b260ea in free () from /lib/tls/libc.so.6 Previous frame inner to this frame (corrupt stack?) (gdb)