Hi , I am observing some infrequent crash in VPP. I am using VCL for receiving UDP packets in my application. We compiled VPP with DPDP and using Mellanox NIC to receive UDP packets ( the MTU is set to 9000). Attached is the startup.conf file.
#0 0x00007efd06b8837f in raise () from /lib64/libc.so.6 #1 0x00007efd06b72db5 in abort () from /lib64/libc.so.6 #2 0x000055ffa1ed1134 in os_exit (code=code@entry=1) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vpp/vnet/main.c:431 #3 0x00007efd07de215a in unix_signal_handler (signum=11, si=<optimized out>, uc=<optimized out>) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vlib/unix/main.c:187 #4 <signal handler called> #5 0x00007efd07b4cbc6 in _mm_storeu_si128 (__B=..., __P=<optimized out>) at /usr/lib/gcc/x86_64-redhat-linux/8/include/emmintrin.h:721 #6 clib_mov16 (src=0x7efcb99f8c00 "`", dst=<optimized out>) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vppinfra/memcpy_avx2.h:65 #7 clib_memcpy_fast_avx2 (n=45, src=0x7efcb99f8c00, dst=<optimized out>) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vppinfra/memcpy_avx2.h:166 #8 clib_memcpy_fast (n=45, src=0x7efcb99f8c00, dst=<optimized out>) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vppinfra/string.h:97 #9 svm_fifo_copy_to_chunk_ma_skx (f=0x7efccb716040, c=0x7ef44e1e2cb0, tail_idx=<optimized out>, src=0x7efcb99f8c00 "`", len=45, last=0x7ef44e000c08) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/svm/svm_fifo.c:53 #10 0x00007efd07b49b73 in svm_fifo_copy_to_chunk (last=<optimized out>, len=<optimized out>, src=<optimized out>, tail_idx=<optimized out>, c=<optimized out>, f=0x7efccb716040) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/svm/svm_fifo.c:96 #11 svm_fifo_enqueue_segments (f=0x7efccb716040, segs=segs@entry=0x7efcb99f7fb0, n_segs=n_segs@entry=2, allow_partial=allow_partial@entry=0 '\000') at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/svm/svm_fifo.c:1006 #12 0x00007efd0883cd25 in session_enqueue_dgram_connection (s=s@entry=0x7efccb6d3580, hdr=0x7efcb99f8c00, b=0x1005415480, proto=proto@entry=1 '\001', queue_event=queue_event@entry=1 '\001') at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vnet/session/session.c:637 #13 0x00007efd0869e089 in udp_connection_enqueue (uc0=0x7efccb671e40, s0=0x7efccb6d3580, hdr0=hdr0@entry=0x7efcb99f8c00, thread_index=thread_index@entry=4, b=b@entry=0x1005415480, queue_event=queue_event@entry=1 '\001', error0=0x7efcb99f80d4) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vnet/udp/udp_input.c:159 #14 0x00007efd0869e4d7 in udp46_input_inline (is_ip4=0 '\000', frame=<optimized out>, node=<optimized out>, vm=<optimized out>) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vnet/udp/udp_input.c:311 #15 udp6_input (vm=<optimized out>, node=<optimized out>, frame=<optimized out>) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vnet/udp/udp_input.c:368 #16 0x00007efd07d8e172 in dispatch_pending_node (vm=0x7efcca76a840, pending_frame_index=<optimized out>, last_time_stamp=<optimized out>) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vlib/main.c:1024 #17 0x00007efd07d8fc6f in vlib_worker_loop (vm=vm@entry=0x7efcca76a840) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vlib/main.c:1649 #18 0x00007efd07dc8738 in vlib_worker_thread_fn (arg=<optimized out>) at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vlib/threads.c:1560 #19 0x00007efd072efee8 in clib_calljmp () at /usr/src/debug/vpp-21.06.0-4~g2a4131173_dirty.x86_64/src/vppinfra/longjmp.S:123 #20 0x00007efcba7fbd20 in ?? () #21 0x00007efcc4ff41c5 in eal_thread_loop.cold () from /usr/lib/vpp_plugins/dpdk_plugin.so
startup.conf
Description: Binary data
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