Description
Description
I'm not yet able to define the exact steps that lead to this abort, but for now I'm at least attaching the backtrace:
#0 0x00007f439edcc428 in __GI_raise (sig=sig@entry=6)
at ../sysdeps/unix/sysv/linux/raise.c:54
#1 0x00007f439edce02a in __GI_abort () at abort.c:89
#2 0x0000000000406ab6 in os_panic ()
at /opt/vpp-agent/dev/vpp/build-data/../src/vpp/vnet/main.c:268
#3 0x00007f439f5b292b in debugger ()
at /opt/vpp-agent/dev/vpp/build-data/../src/vppinfra/error.c:84
#4 0x00007f439f5b2d33 in _clib_error (how_to_die=2, function_name=0x0,
line_number=0, fmt=0x7f435cbef188 "%s:%d (%s) assertion `%s' fails")
at /opt/vpp-agent/dev/vpp/build-data/../src/vppinfra/error.c:143
#5 0x00007f435cb85a37 in icmp_match_out2in_slow (
sm=0x7f435ce0a520 <snat_main>, node=0x7f435eeeb7c0, thread_index=0,
b0=0x7f435a530a00, ip0=0x7f435a530b0e,
p_proto=0x7f435ee4285c "z\264\343\237\220(\344^C\177",
p_value=0x7f435ee428a0,
p_dont_translate=0x7f435ee4285d "\264\343\237\220(\344^C\177",
d=0x7f435ee42bb0, e=0x0)
at /opt/vpp-agent/dev/vpp/build-data/../src/plugins/nat/out2in.c:372
#6 0x00007f435cb85db4 in icmp_out2in (sm=0x7f435ce0a520 <snat_main>,
b0=0x7f435a530a00, ip0=0x7f435a530b0e, icmp0=0x7f435a530b22,
sw_if_index0=5, rx_fib_index0=0, node=0x7f435eeeb7c0, next0=1,
thread_index=0, d=0x7f435ee42bb0, e=0x0)
at /opt/vpp-agent/dev/vpp/build-data/../src/plugins/nat/out2in.c:485
#7 0x00007f435cb8622f in icmp_out2in_slow_path (
sm=0x7f435ce0a520 <snat_main>, b0=0x7f435a530a00, ip0=0x7f435a530b0e,
icmp0=0x7f435a530b22, sw_if_index0=5, rx_fib_index0=0,
node=0x7f435eeeb7c0, next0=1, now=177.69664372052404, thread_index=0,
p_s0=0x7f435ee42bb0)
at /opt/vpp-agent/dev/vpp/build-data/../src/plugins/nat/out2in.c:592
#8 0x00007f435cb8919e in snat_out2in_node_fn (
vm=0x7f43a0b55480 <vlib_global_main>, node=0x7f435eeeb7c0,
frame=0x7f435e52b4c0)
at /opt/vpp-agent/dev/vpp/build-data/../src/plugins/nat/out2in.c:1364
#9 0x00007f43a08b2d6b in dispatch_node (vm=0x7f43a0b55480 <vlib_global_main>,
node=0x7f435eeeb7c0, type=VLIB_NODE_TYPE_INTERNAL,
dispatch_state=VLIB_NODE_STATE_POLLING, frame=0x7f435e52b4c0,
last_time_stamp=192703367656078)
at /opt/vpp-agent/dev/vpp/build-data/../src/vlib/main.c:988
#10 0x00007f43a08b3324 in dispatch_pending_node (
vm=0x7f43a0b55480 <vlib_global_main>, pending_frame_index=2,
last_time_stamp=192703367656078)
at /opt/vpp-agent/dev/vpp/build-data/../src/vlib/main.c:1138
#11 0x00007f43a08b5526 in vlib_main_or_worker_loop (
vm=0x7f43a0b55480 <vlib_global_main>, is_main=1)
at /opt/vpp-agent/dev/vpp/build-data/../src/vlib/main.c:1615
#12 0x00007f43a08b55d4 in vlib_main_loop (vm=0x7f43a0b55480 <vlib_global_main>)
#13 0x00007f43a08b5e4a in vlib_main (vm=0x7f43a0b55480 <vlib_global_main>,
input=0x7f435ee42fb0)
at /opt/vpp-agent/dev/vpp/build-data/../src/vlib/main.c:1789
#14 0x00007f43a091d1eb in thread0 (arg=139928435774592)
at /opt/vpp-agent/dev/vpp/build-data/../src/vlib/unix/main.c:567
#15 0x00007f439f5d6e3c in clib_calljmp ()
at /opt/vpp-agent/dev/vpp/build-data/../src/vppinfra/longjmp.S:110
#16 0x00007ffe213fcdd0 in ?? ()
#17 0x00007f43a091d64c in vlib_unix_main (argc=20, argv=0x25e5740)
at /opt/vpp-agent/dev/vpp/build-data/../src/vlib/unix/main.c:631
#18 0x000000000040679e in main (argc=20, argv=0x25e5740)
at /opt/vpp-agent/dev/vpp/build-data/../src/vpp/vnet/main.c:207
Assignee
Matus Fabian
Reporter
Milan Lenco
Comments
- matfabia (Fri, 26 Jan 2018 09:14:25 +0000): There is issue with ICMP error messages translation for inner IP packet matching out2in-only static mappings or load balancing static mappings at all.
- milanlenco (Fri, 26 Jan 2018 08:18:48 +0000): Here is the config:
DBGvpp# sh nat44 detail
NAT plugin mode: dynamic translations enabled
loop1 in out
tapcli-0 in out
tapcli-1 in out
tapcli-2 out
tapcli-3 in out
tapcli-4 in out
tapcli-5 in out
NAT44 pool addresses:
NAT44 twice-nat pool addresses:
1 users, 0 outside addresses, 1 active sessions, 6 static mappings, 0 twice-nat addresses
Hash table in2out-ed
1 active elements
1 free lists
0 linear search buckets
151 cache hits, 1 cache misses
Hash table out2in-ed
1 active elements
1 free lists
0 linear search buckets
159 cache hits, 1 cache misses
Thread 0 (vpp_main at lcore 0):
Hash table in2out
7 active elements
1 free lists
0 linear search buckets
0 cache hits, 0 cache misses
Hash table out2in
6 active elements
1 free lists
0 linear search buckets
0 cache hits, 0 cache misses
2 list pool elements
10.0.2.15: 0 dynamic translations, 1 static translations
static mappings:
tcp local 10.0.2.15:12379 external 192.168.16.1:32379 vrf 0 out2in-only
tcp local 10.0.2.15:12379 external 10.102.7.54:12379 vrf 0 out2in-only
tcp local 10.0.2.15:6443 external 10.96.0.1:443 vrf 0 out2in-only
udp local 10.1.1.2:53 external 10.96.0.10:53 vrf 0 out2in-only
tcp local 10.1.1.2:53 external 10.96.0.10:53 vrf 0 out2in-only
tcp vrf 0 external 10.109.107.254:80 out2in-only
local 10.1.1.4:8080 probability 2
local 10.1.1.5:8080 probability 2
local 10.1.1.6:8080 probability 2
Unfortunatelly I have hit this only once. I will provide more info once I know under which conditions this happens.
- matfabia (Fri, 26 Jan 2018 07:35:27 +0000): Could you please provide at least VPP NAT plugin config?
Original issue: https://jira.fd.io/browse/VPP-1150