root@dev:/opt/accel-ppp-code25052018/build# gdb --args /opt/accel-ppp/sbin/accel-pppd -c /etc/accel-ppp.conf
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/opt/accel-ppp/sbin/accel-pppd: No such file or directory.
(gdb) exec-file /usr/local/sbin/accel-pppd
(gdb) run
Starting program: /usr/local/sbin/accel-pppd -c /etc/accel-ppp.conf
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff6272700 (LWP 27983)]
[New Thread 0x7ffff5a71700 (LWP 27984)]
[New Thread 0x7ffff7fc3700 (LWP 27985)]
[New Thread 0x7ffff5270700 (LWP 27986)]
[New Thread 0x7ffff516f700 (LWP 27987)]
[New Thread 0x7ffff496e700 (LWP 27988)]

Thread 4 "accel-pppd" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff7fc3700 (LWP 27985)]
0x00007ffff7bd1d87 in __list_del () from /usr/local/lib64/accel-ppp/libtriton.so
(gdb) bt full
#0  0x00007ffff7bd1d87 in __list_del () from /usr/local/lib64/accel-ppp/libtriton.so
No symbol table info available.
#1  0x00007ffff7bd1dbf in list_del () from /usr/local/lib64/accel-ppp/libtriton.so
No symbol table info available.
#2  0x00007ffff7bd228b in triton_thread () from /usr/local/lib64/accel-ppp/libtriton.so
No symbol table info available.
#3  0x00007ffff77b0494 in start_thread (arg=0x7ffff7fc3700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ffff7fc3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737353889536, -8684576780096590782, 0, 140737488347807, 0, 140737354125376, 8684559207845637186, 8684560316727995458}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007ffff697cacf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97