Hi,
I am migrating from VPP21.06 where my usecase works without issues
overnight, but in VPP22.06 it gives the following crash in 7 to 8
minutes of run.
Just wondering if this is a known issue or if anybody else has seen this.
Further, when I run in VPP22.06 with a single worker thread, this
crash is not seen, but when I run with 2 worker threads, then this
crash is seen as below.
With VPP21.06 the crash is not seen regardless of the number of worker threads.
Thread 5 "vpp_wk_1" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff69156700 (LWP 5408)]
0x00007ffff78327f8 in ip4_mtrie_16_lookup_step
(dst_address_byte_index=2, dst_address=0x1025d44ea4,
current_leaf=1915695212)
at /home/centos/vpp/src/vnet/ip/ip4_mtrie.h:215
215 return (ply->leaves[dst_address->as_u8[dst_address_byte_index]]);
(gdb) bt
#0 0x00007ffff78327f8 in ip4_mtrie_16_lookup_step
(dst_address_byte_index=2, dst_address=0x1025d44ea4,
current_leaf=1915695212)
at /home/centos/vpp/src/vnet/ip/ip4_mtrie.h:215
#1 ip4_fib_forwarding_lookup (addr=0x1025d44ea4, fib_index=1) at
/home/centos/vpp/src/vnet/fib/ip4_fib.h:146
#2 ip4_lookup_inline (frame=0x7fffbc805a80, node=<optimized out>,
vm=0x7fffbc72bc40) at /home/centos/vpp/src/vnet/ip/ip4_forward.h:327
#3 ip4_lookup_node_fn_skx (vm=0x7fffbc72bc40, node=0x7fffbc7bc400,
frame=0x7fffbc805a80) at
/home/centos/vpp/src/vnet/ip/ip4_forward.c:101
#4 0x00007ffff7ea2a45 in dispatch_node (last_time_stamp=<optimized
out>, frame=0x7fffbc805a80, dispatch_state=VLIB_NODE_STATE_POLLING,
type=VLIB_NODE_TYPE_INTERNAL, node=0x7fffbc7bc400,
vm=0x7fffbc7bc400) at /home/centos/vpp/src/vlib/main.c:961
#5 dispatch_pending_node (vm=vm@entry=0x7fffbc72bc40,
pending_frame_index=pending_frame_index@entry=6,
last_time_stamp=<optimized out>)
at /home/centos/vpp/src/vlib/main.c:1120
#6 0x00007ffff7ea4639 in vlib_main_or_worker_loop (is_main=0,
vm=0x7fffbc72bc40, vm@entry=0x7fffb8c96700)
at /home/centos/vpp/src/vlib/main.c:1589
#7 vlib_worker_loop (vm=vm@entry=0x7fffbc72bc40) at
/home/centos/vpp/src/vlib/main.c:1723
#8 0x00007ffff7edea81 in vlib_worker_thread_fn (arg=0x7fffb8cd5640)
at /home/centos/vpp/src/vlib/threads.c:1579
#9 0x00007ffff7edde33 in vlib_worker_thread_bootstrap_fn
(arg=0x7fffb8cd5640) at /home/centos/vpp/src/vlib/threads.c:418
#10 0x00007ffff6638ea5 in start_thread (arg=0x7fff69156700) at
pthread_create.c:307
#11 0x00007ffff5db5b0d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
Regards
-Prashant
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