Hello Stanislav,
The is-is itself is working, thank you!
tn3# show isis neighbor
Area myisis:
System Id Interface L State Holdtime SNPA
tn1 Ten0.1914 3 Up 28 2020.2020.2020
Unfortunately, both lcp lcp-auto-subint and lcp lcp-sync still looks broken.
Note, I've applied your patches to 22.10 version as master branch was not
stable enough; so if it is needed, I can also test on master.
1. LCP auto-subint:
DBGvpp# set interface state TenGigabitEthernet1c/0/1 up
DBGvpp# lcp lcp-auto-subint on
DBGvpp# lcp lcp-
lcp-auto-subint lcp-sync
DBGvpp# lcp lcp-sync on
DBGvpp# lcp create 1 host-if Ten0
DBGvpp# show lcp
lcp default netns '<unset>'
lcp lcp-auto-subint on
lcp lcp-sync on
lcp del-static-on-link-down off
lcp del-dynamic-on-link-down off
itf-pair: [0] TenGigabitEthernet1c/0/1 tap1 Ten0 1304 type tap
DBGvpp#
Then VPP crashes:
Jan 31 10:05:57 tn3 vnet[1233293]:
/home/abramov/vpp-p3-lcp/src/vnet/interface_funcs.h:60 (vnet_get_sw_interface)
assertion `! pool_is_free (vnm->interface_main.sw_interfaces, _e)' fails
Jan 31 10:05:57 tn3 systemd-udevd[1233343]: ethtool: autonegotiation is unset
or enabled, the speed and duplex are not writable.
Jan 31 10:05:57 tn3 vnet[1233293]: received signal SIGABRT, PC 0x7f81e45b800b
Jan 31 10:05:57 tn3 systemd-udevd[1233343]: Using default interface naming
scheme 'v245'.
Jan 31 10:05:57 tn3 vnet[1233293]: #0 0x00007f81e4ab1c92 unix_signal_handler +
0x1f2
Jan 31 10:05:57 tn3 vnet[1233293]: #1 0x00007f81e49af420 0x7f81e49af420
Jan 31 10:05:57 tn3 vnet[1233293]: #2 0x00007f81e45b800b gsignal + 0xcb
Jan 31 10:05:57 tn3 vnet[1233293]: #3 0x00007f81e4597859 abort + 0x12b
Jan 31 10:05:57 tn3 vnet[1233293]: #4 0x00000000004072f3 0x4072f3
Jan 31 10:05:57 tn3 vnet[1233293]: #5 0x00007f81e48e9109 debugger + 0x9
Jan 31 10:05:57 tn3 vnet[1233293]: #6 0x00007f81e48e8eca _clib_error + 0x2da
Jan 31 10:05:57 tn3 vnet[1233293]: #7 0x00007f81e4c94f68 vnet_get_sw_interface
+ 0xa8
Jan 31 10:05:57 tn3 vnet[1233293]: #8 0x00007f81e4c94f9b
vnet_get_sup_sw_interface + 0x1b
Jan 31 10:05:57 tn3 vnet[1233293]: #9 0x00007f81e4c9500b
vnet_get_sup_hw_interface + 0x1b
Jan 31 10:05:57 tn3 vnet[1233293]: #10 0x00007f81e4c98bca
vnet_create_sub_interface + 0x5a
Jan 31 10:05:57 tn3 vnet[1233293]: #11 0x00007f819ce8db6a lcp_router_link_add +
0x5ea
Jan 31 10:05:57 tn3 vnet[1233293]: #12 0x00007f819ce98fc3 nl_link_add + 0xd3
Jan 31 10:05:57 tn3 vnet[1233293]: #13 0x00007f819ce986a0 nl_route_dispatch +
0xe0
Jan 31 10:05:57 tn3 vnet[1233293]: #14 0x00007f819cf29f52 0x7f819cf29f52
Thread 1 "vpp_main" received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007ffff6b0c859 in __GI_abort () at abort.c:79
#2 0x00000000004072f3 in os_panic () at
/home/abramov/vpp-p3-lcp/src/vpp/vnet/main.c:417
#3 0x00007ffff6e5e109 in debugger () at
/home/abramov/vpp-p3-lcp/src/vppinfra/error.c:84
#4 0x00007ffff6e5deca in _clib_error (how_to_die=2, function_name=0x0,
line_number=0, fmt=0x7ffff7cc8208 "%s:%d (%s) assertion `%s' fails") at
/home/abramov/vpp-p3-lcp/src/vppinfra/error.c:143
#5 0x00007ffff720af68 in vnet_get_sw_interface (vnm=0x7ffff7f696e8
<vnet_main>, sw_if_index=1650550633) at
/home/abramov/vpp-p3-lcp/src/vnet/interface_funcs.h:60
#6 0x00007ffff720af9b in vnet_get_sup_sw_interface (vnm=0x7ffff7f696e8
<vnet_main>, sw_if_index=1650550633) at
/home/abramov/vpp-p3-lcp/src/vnet/interface_funcs.h:83
#7 0x00007ffff720b00b in vnet_get_sup_hw_interface (vnm=0x7ffff7f696e8
<vnet_main>, sw_if_index=1650550633) at
/home/abramov/vpp-p3-lcp/src/vnet/interface_funcs.h:94
#8 0x00007ffff720ebca in vnet_create_sub_interface (sw_if_index=1650550633,
id=1914, flags=18, inner_vlan_id=0, outer_vlan_id=1914,
sub_sw_if_index=0x7fffac7ad980) at
/home/abramov/vpp-p3-lcp/src/vnet/ethernet/interface.c:1063
#9 0x00007fffaf404b6a in lcp_router_link_add (rl=0x5a3450, ctx=0x7fffbb9b18c8)
at /home/abramov/vpp-p3-lcp/src/plugins/linux-cp/lcp_router.c:423
#10 0x00007fffaf40ffc3 in nl_link_add (rl=0x5a3450, arg=0x7fffbb9b18c8) at
/home/abramov/vpp-p3-lcp/src/plugins/linux-cp/lcp_nl.c:280
#11 0x00007fffaf40f6a0 in nl_route_dispatch (obj=0x5a3450, arg=0x7fffbb9b18c8)
at /home/abramov/vpp-p3-lcp/src/plugins/linux-cp/lcp_nl.c:323
#12 0x00007fffaf4a0f52 in ?? () from /lib/x86_64-linux-gnu/libnl-3.so.200
#13 0x00007fffaf441990 in ?? () from /lib/x86_64-linux-gnu/libnl-route-3.so.200
#14 0x00007fffaf49db52 in nl_cache_parse () from
/lib/x86_64-linux-gnu/libnl-3.so.200
#15 0x00007fffaf4a2984 in nl_msg_parse () from
/lib/x86_64-linux-gnu/libnl-3.so.200
#16 0x00007fffaf40c4c4 in nl_route_process_msgs () at
/home/abramov/vpp-p3-lcp/src/plugins/linux-cp/lcp_nl.c:344
#17 0x00007fffaf40b721 in nl_route_process (vm=0x7fffb6ae8740,
node=0x7fffb8794380, frame=0x0) at
/home/abramov/vpp-p3-lcp/src/plugins/linux-cp/lcp_nl.c:557
#18 0x00007ffff6fc528d in vlib_process_bootstrap (_a=140736123472776) at
/home/abramov/vpp-p3-lcp/src/vlib/main.c:1221
#19 0x00007ffff6e753d8 in clib_calljmp () at
/home/abramov/vpp-p3-lcp/src/vppinfra/longjmp.S:123
#20 0x00007fffaea58b80 in ?? ()
#21 0x00007ffff6fc4d0f in vlib_process_startup (vm=0x8, p=0x7ffff6fc7bea
<dispatch_suspended_process+794>, f=0x7fffaea58c90) at
/home/abramov/vpp-p3-lcp/src/vlib/main.c:1246
#22 0x00007ffff6ed3c1e in vec_mem_size (v=0xbf3d636e2d3e12) at
/home/abramov/vpp-p3-lcp/src/vppinfra/vec.c:15
#23 0x00007fffb6ae8740 in ?? ()
#24 0x0000003500000000 in ?? ()
#25 0x0000000000000009 in ?? ()
#26 0x00007fffbb96b7e0 in ?? ()
#27 0x00007fffbb96b7e0 in ?? ()
#28 0x00007fffbb9a00a0 in ?? ()
#29 0x00bf3d636e2d116c in ?? ()
#30 0x00007fffbb92b9b8 in ?? ()
#31 0x00bf3d636e2d3e12 in ?? ()
#32 0x00007fffbb96b7e0 in ?? ()
#33 0x00007fffb8794380 in ?? ()
#34 0x0000000000000000 in ?? ()
(gdb)
(gdb) info locals
set = {__val = {0, 2479908161616046770, 2479908161616046770,
2479908161616046770, 2479908161616046770, 2479908161616046770,
7865077477686057405, 7865077477686057405, 7865077477686057405,
7865077477686057405, 7865077477686057405, 7865077477686057405,
7865077477686057405, 7865077477686057405, 8521594516526759676,
8521594516526759676}}
pid = <optimized out>
tid = <optimized out>
ret = <optimized out>
(gdb)
As for lcp-sync, situation is harder to debug. It initially works, but host-if
(TAP interface) goes down from time to time (I could not understand well , and
after some iterations VPP also crashes.
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