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Cisco Bug: CSCvt63478 - vpp restart mgr failed on sn_assert_signal_handler

Last Modified

May 17, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.16.d1 21.18.2 21.19.0 21.19.n1

Description (partial)

Symptom:
VPP restart with following stack trace during call recovery.

  Build_number: 
  Threads:
    Thread 5562
    ->[/usr/sbin64/vpp(sn_assert_signal_handler()+0x11a5) [0x004bfd35]]
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x154) [0x7f8447c9a134]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libvppinfra.so.19.04.2.rc0/mspace_usable_size()+0xc) [0x7f84475b690c]]
      [(libvppinfra.so.19.04.2.rc0/mspace_usable_size_with_delta()+0x13) [0x7f84475b6953]]
      [(libvppinfra.so.19.04.2.rc0/format_c_identifier()+0xab) [0x7f844759222b]]
      [(libvppinfra.so.19.04.2.rc0/va_format()+0x466) [0x7f84475654f6]]
      [(libvppinfra.so.19.04.2.rc0/format()+0x87) [0x7f8447565087]]
      [/usr/lib64/vpp_plugins/dpdk_plugin.so(format_dpdk_device+0x719) [0x7f83c52d3329]]
      [(libvppinfra.so.19.04.2.rc0/va_format()+0x466) [0x7f84475654f6]]
      [(libvppinfra.so.19.04.2.rc0/format()+0x87) [0x7f8447565087]]
      [(libvnet.so.19.04.2.rc0/format_vnet_hw_interface()+0x20b) [0x7f844869df4b]]
      [(libvppinfra.so.19.04.2.rc0/va_format()+0x466) [0x7f84475654f6]]
      [(libvlib.so.19.04.2.rc0/vlib_cli_output()+0xa7) [0x7f8447c34667]]
      [(libvnet.so.19.04.2.rc0/show_or_clear_hw_interfaces()+0x3a8) [0x7f844869ad68]]
      [(libvlib.so.19.04.2.rc0/vlib_cli_dispatch_sub_commands()+0x3a3) [0x7f8447c355c3]]
      [(libvlib.so.19.04.2.rc0/vlib_cli_dispatch_sub_commands()+0x794) [0x7f8447c359b4]]
      [(libvlib.so.19.04.2.rc0/vlib_cli_input()+0x7b) [0x7f8447c35d8b]]
      [(libvlib.so.19.04.2.rc0/unix_cli_process()+0xd61) [0x7f8447c94771]]
      [(libvlib.so.19.04.2.rc0/vlib_process_bootstrap()+0x1e) [0x7f8447c4efee]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
    ----------------------------------------
    Thread 5565
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libc.so.6/syscall()+0x19) [0x7f8446479809]]
      [/usr/sbin64/vpp(epoll_wait()+0x1a) [0x004ca11a]]
      [/usr/lib64/vpp_plugins/dpdk_plugin.so(+0x117fb4) [0x7f83c4db1fb4]]
      [/lib64/libpthread.so.0(+0x7f9b) [0x7f84477d7f9b]]
      [(libc.so.6/clone()+0x6d) [0x7f844647db9d]]
    ----------------------------------------
    Thread 5566
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [/lib64/libpthread.so.0(recvmsg+0x2d) [0x7f84477df11d]]
      [/usr/lib64/vpp_plugins/dpdk_plugin.so(+0x125297) [0x7f83c4dbf297]]
      [/lib64/libpthread.so.0(+0x7f9b) [0x7f84477d7f9b]]
      [(libc.so.6/clone()+0x6d) [0x7f844647db9d]]
    ----------------------------------------
    Thread 5567
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libvlib.so.19.04.2.rc0/vlib_worker_loop()+0x19b1) [0x7f8447c554c1]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
    ----------------------------------------
    Thread 5568
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libvlib.so.19.04.2.rc0/vlib_worker_loop()+0x19b1) [0x7f8447c554c1]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
    ----------------------------------------
    Thread 5569
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libvlib.so.19.04.2.rc0/vlib_worker_loop()+0x19b1) [0x7f8447c554c1]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
    ----------------------------------------
    Thread 5570
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libvlib.so.19.04.2.rc0/vlib_worker_loop()+0x19b1) [0x7f8447c554c1]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
    ----------------------------------------
    Thread 5571
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libvlib.so.19.04.2.rc0/vlib_worker_loop()+0x19b1) [0x7f8447c554c1]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
    ----------------------------------------
    Thread 5572
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libvlib.so.19.04.2.rc0/vlib_worker_loop()+0x19b1) [0x7f8447c554c1]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
    ----------------------------------------
    Thread 5573
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libvlib.so.19.04.2.rc0/vlib_worker_loop()+0x19b1) [0x7f8447c554c1]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
    ----------------------------------------
    Thread 5574
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [(libvlib.so.19.04.2.rc0/vlib_worker_loop()+0x19b1) [0x7f8447c554c1]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
    ----------------------------------------
    Thread 5575
      [(libvlib.so.19.04.2.rc0/unix_signal_handler()+0x33c) [0x7f8447c9a31c]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7f84477dfb50]]
      [/lib64/libpthread.so.0(__nanosleep+0x2d) [0x7f84477df40d]]
      [/usr/sbin64/vpp(ipc_stats_thread_fn()+0x95) [0x004224e5]]
      [(libvppinfra.so.19.04.2.rc0/clib_calljmp()+0x18) [0x7f844756f1fc]]
  Registers:
                  r8               r9              r10              r11
    00007f8447592180 00007f83e364459c 00000000000e730f 0000000000000000
                 r12              r13              r14              r15
    00000000000335e0 00007f83e364459c 0000000000673f2e 0000000000673f2e
                 rdi              rsi              rbp              rbx
    00007f83e454c3e0 0000000000673f36 00007f83e454c3ec 00007f83e454c3e4
                 rdx              rax              rcx              rsp
    0000000000aae082 0000000000aae082 00007f8449572720 00007f83e117f398
                 rip              efl         cs/gs/fs              err
    00007f84475b690c 0000000000003202 0000000000000033 0000000000000000
              trapno          oldmask              cr2
    0000000000000000 fffffffe1ffbf817 0000000000000000

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