Cellular Network Infrastructure » Radio Access Network » OsmoTRX

It seems that not all VTY configuration nodes are registered correctly.

$ telnet localhost 4237
OsmoTRX> en
OsmoTRX> configure terminal
OsmoTRX(config)# ctrl
OsmoTRX(config-ctrl)# exit or end

Result:

-- Transceiver active with 2 channel(s)

...

Assert failed 0 trx_vty.c:506
backtrace() returned 10 addresses
osmo-trx-uhd() [0x43785a]
/usr/local/lib/libosmovty.so.4(vty_go_parent+0x81) [0x7fe36b2227e1]
/usr/local/lib/libosmovty.so.4(+0xce3b) [0x7fe36b223e3b]
/usr/local/lib/libosmovty.so.4(vty_read+0x496) [0x7fe36b224af6]
/usr/local/lib/libosmovty.so.4(+0xfa89) [0x7fe36b226a89]
/usr/local/lib/libosmocore.so.10(osmo_select_main+0x18f) [0x7fe36affb1ef]
osmo-trx-uhd() [0x407fe7]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fe3696dbf45]
osmo-trx-uhd() [0x40a8e9]
signal 6 received

...

Stopped reason: SIGABRT
0x00007ffff5657c37 in __GI_raise (sig=sig@entry=0x6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56      ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.

gdb-peda$ bt
#0  0x00007ffff5657c37 in __GI_raise (sig=sig@entry=0x6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff565b028 in __GI_abort () at abort.c:89
#2  0x000000000043785f in trx_vty_go_parent (vty=<optimized out>) at trx_vty.c:506
#3  0x00007ffff71897e1 in vty_go_parent (vty=0x1059ea0) at command.c:2147
#4  0x00007ffff71898c2 in config_exit (self=<optimized out>, vty=<optimized out>, argc=<optimized out>, argv=<optimized out>) at command.c:2632
#5  0x00007ffff71871c7 in cmd_execute_command_real (vline=vline@entry=0x105b6b0, vty=vty@entry=0x1059ea0, cmd=cmd@entry=0x0) at command.c:2275
#6  0x00007ffff7189a34 in cmd_execute_command (vline=vline@entry=0x105b6b0, vty=vty@entry=0x1059ea0, cmd=cmd@entry=0x0, vtysh=vtysh@entry=0x0)
    at command.c:2308
#7  0x00007ffff718bc19 in vty_command (buf=<optimized out>, vty=0x1059ea0) at vty.c:420
#8  vty_execute (vty=0x1059ea0) at vty.c:684
#9  vty_read (vty=<optimized out>) at vty.c:1426
#10 0x00007ffff718da89 in client_data (fd=0x1059df8, what=0x1) at telnet_interface.c:135
#11 0x00007ffff6f621ef in osmo_fd_disp_fds (_eset=0x7fffffffe030, _wset=0x7fffffffdfb0, _rset=0x7fffffffdf30) at select.c:216
#12 osmo_select_main (polling=0x0) at select.c:256
#13 0x0000000000407fe7 in main (argc=argc@entry=0x3, argv=argv@entry=0x7fffffffe5a8) at osmo-trx.cpp:568
#14 0x00007ffff5642f45 in __libc_start_main (main=0x406eb0 <main(int, char**)>, argc=0x3, argv=0x7fffffffe5a8, init=<optimized out>, 
    fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe598) at libc-start.c:287
#15 0x000000000040a8e9 in _start ()

trx_vty_go_parent():

static int trx_vty_go_parent(struct vty *vty)
{
        switch (vty->node) {
        case TRX_NODE:
                vty->node = CONFIG_NODE;
                vty->index = NULL;
                vty->index_sub = NULL;
                break;
        case CHAN_NODE:
                vty->node = TRX_NODE;
                vty->index = NULL;
                vty->index_sub = NULL;
                break;
        default:
                OSMO_ASSERT(0);
        }

        return vty->node;
}