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Cisco Bug: CSCvt07354 - vpp restart in cups-up - Fatal Signal 6: Aborted

Last Modified

Jun 12, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.15.23.74399 21.15.25 21.16.3 21.16.c10 21.16.d0 21.19.0 21.19.n1

Description (partial)

Symptom:
SW Version          : 21.15.23

Fatal Signal 6: Aborted
  Signal from: kernel
  Process: card=1 cpu=0 arch=X pid=5567 argv0=vpp

  Recent errno: 4 Interrupted system call
  Build_number:
  Threads:
    Thread 5567
    ->[/usr/sbin64/vpp(sn_assert_signal_handler()+0x11a5) [0x004c0265]]
      [(libvlib.so.19.04.3/unix_signal_handler()+0x154) [0x7f2d608cf734]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libc.so.6/raise()+0x35) [0x7f2d5effbec5]]
      [(libc.so.6/abort()+0x148) [0x7f2d5effd348]]
      [/usr/sbin64/vpp(os_panic()+0x13) [0x00415b53]]
      [(libvlib.so.19.04.3/vlib_worker_thread_barrier_sync_int()+0x5a2) [0x7f2d608b9162]]
      [(libvlibmemory.so.19.04.3/vl_msg_api_socket_handler()+0x1c5) [0x7f2d61da0045]]
      [(libvlibmemory.so.19.04.3/vl_socket_process_api_msg()+0x19) [0x7f2d61d915a9]]
      [(libvlibmemory.so.19.04.3/vl_api_clnt_process()+0xc9d) [0x7f2d61d9792d]]
      [(libvlib.so.19.04.3/vlib_process_bootstrap()+0x1e) [0x7f2d608838ce]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]
    ----------------------------------------
Thread 5568
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libc.so.6/syscall()+0x19) [0x7f2d5f0ac809]]
      [/usr/sbin64/vpp(epoll_wait()+0x1a) [0x004ca64a]]
      [/usr/lib64/vpp_plugins/dpdk_plugin.so(+0x118044) [0x7f2d1d9e2044]]
      [/lib64/libpthread.so.0(+0x7f9b) [0x7f2d6040af9b]]
      [(libc.so.6/clone()+0x6d) [0x7f2d5f0b0b9d]]
    ----------------------------------------
    Thread 5569
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [/lib64/libpthread.so.0(recvmsg+0x2d) [0x7f2d6041211d]]
      [/usr/lib64/vpp_plugins/dpdk_plugin.so(+0x125327) [0x7f2d1d9ef327]]
      [/lib64/libpthread.so.0(+0x7f9b) [0x7f2d6040af9b]]
      [(libc.so.6/clone()+0x6d) [0x7f2d5f0b0b9d]]
    ----------------------------------------
    Thread 5570
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libvlib.so.19.04.3/vlib_worker_loop()+0x1a55) [0x7f2d60889e75]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]
    ----------------------------------------
    Thread 5571
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libvlib.so.19.04.3/vlib_worker_loop()+0x1a55) [0x7f2d60889e75]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]
    ----------------------------------------
    Thread 5572
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libvnet.so.19.04.3/inner_ip6_reass_node_fn_avx2()+0x8cd7) [0x7f2d618e8c97]]
      [(libvlib.so.19.04.3/dispatch_pending_node()+0x15d) [0x7f2d6088732d]]
      [(libvlib.so.19.04.3/vlib_worker_loop()+0xa7f) [0x7f2d60888e9f]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]
    ----------------------------------------
    Thread 5573
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libvnet.so.19.04.3/inner_ip6_reass_node_fn_avx2()+0x8cd7) [0x7f2d618e8c97]]
      [(libvlib.so.19.04.3/dispatch_pending_node()+0x15d) [0x7f2d6088732d]]
      [(libvlib.so.19.04.3/vlib_worker_loop()+0xa7f) [0x7f2d60888e9f]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]
    ----------------------------------------
    Thread 5574
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libvlib.so.19.04.3/vlib_worker_loop()+0x1a55) [0x7f2d60889e75]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]
    ----------------------------------------
    Thread 5575
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libvlib.so.19.04.3/vlib_worker_loop()+0x1a55) [0x7f2d60889e75]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]
    ----------------------------------------
    Thread 5576
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libvnet.so.19.04.3/inner_ip6_reass_node_fn_avx2()+0x8cd7) [0x7f2d618e8c97]]
      [(libvlib.so.19.04.3/dispatch_pending_node()+0x15d) [0x7f2d6088732d]]
      [(libvlib.so.19.04.3/vlib_worker_loop()+0xa7f) [0x7f2d60888e9f]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]
    ----------------------------------------
    Thread 5577
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [(libvlib.so.19.04.3/vlib_worker_loop()+0x1a55) [0x7f2d60889e75]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]
    ----------------------------------------
    Thread 5580
      [(libvlib.so.19.04.3/unix_signal_handler()+0x33c) [0x7f2d608cf91c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f2d60412b50]]
      [/lib64/libpthread.so.0(__nanosleep+0x2d) [0x7f2d6041240d]]
      [/usr/sbin64/vpp(ipc_stats_thread_fn()+0x95) [0x00422935]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7f2d601a247c]]

Conditions:
Fragments with fragment ID having same value of (frag_id%256)  are received by different worker threads at the same time.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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