Hello,
With the current master branch (def78344) we now get an assertion
failure on startup, here:
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007ffff462e801 in __GI_abort () at abort.c:79
#2 0x00000000004071f3 in os_panic ()
at vpp/src/vpp/vnet/main.c:366
#3 0x00007ffff550d7d9 in debugger ()
at vpp/src/vppinfra/error.c:84
#4 0x00007ffff550d557 in _clib_error (how_to_die=2, function_name=0x0,
line_number=0,
fmt=0x7fffacbc0310 "%s:%d (%s) assertion `%s' fails")
at vpp/src/vppinfra/error.c:143
#5 0x00007fffacac659e in nat_get_vlib_main (thread_index=4)
at vpp/src/plugins/nat/nat.c:2557
#6 0x00007fffacabd7a5 in snat_init (vm=0x7ffff639b980
<vlib_global_main>)
at vpp/src/plugins/nat/nat.c:2685
#7 0x00007ffff60b9f66 in call_init_exit_functions_internal
(vm=0x7ffff639b980 <vlib_global_main>,
headp=0x7ffff639bfa8 <vlib_global_main+1576>, call_once=1,
do_sort=1)
at vpp/src/vlib/init.c:350
#8 0x00007ffff60b9e88 in vlib_call_init_exit_functions
(vm=0x7ffff639b980 <vlib_global_main>,
headp=0x7ffff639bfa8 <vlib_global_main+1576>, call_once=1)
at vpp/src/vlib/init.c:364
#9 0x00007ffff60ba011 in vlib_call_all_init_functions
(vm=0x7ffff639b980 <vlib_global_main>)
at vpp/src/vlib/init.c:386
#10 0x00007ffff60df1f8 in vlib_main (vm=0x7ffff639b980
<vlib_global_main>, input=0x7fffb4b2afa8)
at vpp/src/vlib/main.c:2171
#11 0x00007ffff6166405 in thread0 (arg=140737324366208)
at vpp/src/vlib/unix/main.c:658
#12 0x00007ffff5531954 in clib_calljmp ()
at vpp/src/vppinfra/longjmp.S:123
#13 0x00007fffffffcf30 in ?? ()
#14 0x00007ffff6165f97 in vlib_unix_main (argc=57, argv=0x71d520)
at vpp/src/vlib/unix/main.c:730
#15 0x00000000004068d8 in main (argc=57, argv=0x71d520)
at vpp/src/vpp/vnet/main.c:291
The code looks like this (this part was added in a recent commit it
seems):
always_inline vlib_main_t *
nat_get_vlib_main (u32 thread_index)
{
vlib_main_t *vm;
vm = vlib_mains[thread_index];
ASSERT (vm);
return vm;
}
So it is looking at vlib_mains[thread_index] but that is NULL,
apparently.
Since this happens at startup, could it be that vlib_mains has not been
initialized yet, it is too early to try to access it?
Is vlib_mains[thread_index] supposed to be initialized by the time when
vlib_call_all_init_functions() runs?
Best regards,
Elias
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