(gdb) backtrace
#0  0x00002ac1a3355a05 in raise () from /lib64/libc.so.6
#1  0x00002ac1a33571be in abort () from /lib64/libc.so.6
#2  0x00002ac1a334f2d6 in __assert_fail () from /lib64/libc.so.6
#3  0x0000000000403066 in dump_packets (head=16, tail=14546, mem_map=0xa0fd40,
    name=<value optimized out>) at dump.c:222
#4  0x0000000000402e83 in dump_packets (head=<value optimized out>, tail=232393, mem_map=0xb00d40,
    name=<value optimized out>) at dump.c:243
#5  0x00000000004030f1 in dump_rb_post () at dump.c:280
#6  0x0000000000404a2d in test_epilogue (buf=true) at test.c:124
#7  0x00000000004031b1 in gl_alpha_test () at gl_alpha_test.c:63
#8  0x0000000000404976 in test () at test.c:210
#9  0x0000000000404441 in main (argc=<value optimized out>, argv=<value optimized out>)
    at main.c:238
(gdb)