(gdb) bt full
#0  0x00007fbb1cd31625 in raise () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fbb1cd32e05 in abort () from /lib64/libc.so.6
No symbol table info available.
#2  0x0000000000426b6f in sigsegv (num=11) at /usr/src/git2/accel-ppp-code/accel-pppd/main.c:218
        cmd = "gdb -x cmd-1458660426 /usr/local/sbin/accel-pppd 16699 > dump-1458660426", '\000' <repeats 456 times>, " \371\062\036\273\177\000\000\f\000\000\000\000\000\000\000\020\371\062\036\273\177\000\000\001", '\000' <repeats 39 times>, "и2\036\273\177\000\000\000@\000\000\000\000\000\000\020", '\000' <repeats 11 times>"\273, \177\000\000h\372\062\036\273\177\000\000H\002\000\000\004t\360Vи2\036\273\177\000\000r\020B\000\000\000\000\000H\002\000\000\000\000\000\000\b\375\062\036\273\177\000\000\000\000\000\000\"\000\000\000\240\371\062\036\273\177\000\000\260\v3\036\273\177\000\000\214"...
        fname = "cmd-1458660426", '\000' <repeats 113 times>
        exec_file = "/usr/local/sbin/accel-pppd", '\000' <repeats 4069 times>
        lim = {rlim_cur = 18446744073709551615, rlim_max = 18446744073709551615}
        pid = 0
        status = 0
#3  <signal handler called>
No symbol table info available.
#4  0x00007fbb1b53e869 in forward (net=0x7fbb14000d30, ifindex=90, pkt=0x7fbb1401cfd8, len=60)
    at /usr/src/git2/accel-ppp-code/accel-pppd/ctrl/pppoe/disc.c:190
        n = 0x7ff1
        t = 0x7fbb14001e58
        p = 0x7fbb1402ae18
        parent = 0x8021
        r = 0
        ethhdr = 0x7fbb1401cfdc
#5  0x00007fbb1b53ecc1 in disc_read (h=0x7fbb14000d50) at /usr/src/git2/accel-ppp-code/accel-pppd/ctrl/pppoe/disc.c:309
        net = 0x7fbb14000d30
        pack = 0x7fbb1401cfd8 "<"
        ethhdr = 0x7fbb1401cfdc
        hdr = 0x7fbb1401cfea
        n = 60
        src = {sll_family = 17, sll_protocol = 25480, sll_ifindex = 90, sll_hatype = 1, sll_pkttype = 3 '\003', sll_halen = 6 '\006',
          sll_addr = "\364m\004\221\241\214\063\036"}
        slen = 18
#6  0x00007fbb1df3c42c in ctx_thread (ctx=0x7fbb14003db8) at /usr/src/git2/accel-ppp-code/accel-pppd/triton/triton.c:217
        h = 0x7fbb14000bf8
        t = 0x7fbb1df3bc40
        call = 0x7fbb1e141550
        tt = 16690976
---Type <return> to continue, or q <return> to quit---
        events = 1
#7  0x00007fbb1df3c1e9 in triton_thread (thread=0xfeaf10) at /usr/src/git2/accel-ppp-code/accel-pppd/triton/triton.c:159
        set = {__val = {516, 0 <repeats 15 times>}}
        sig = 10
        need_free = 0
#8  0x00007fbb1db1aa51 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#9  0x00007fbb1cde793d in clone () from /lib64/libc.so.6
No symbol table info available.