Hi guys, When I create a host interface and then del it, the SIGSEGV will appear. This don't appear every time. Program received signal SIGSEGV, Segmentation fault. 0x00007ffff6ca931e in vnet_get_sup_sw_interface (vnm=0x7ffff7627400 <vnet_main>, sw_if_index=1) at /home/vpp/18.01/build-data/../src/vnet/interface_funcs.h:84 84 if (sw->type == VNET_SW_INTERFACE_TYPE_SUB || (gdb) bt #0 0x00007ffff6ca931e in vnet_get_sup_sw_interface (vnm=0x7ffff7627400 <vnet_main>, sw_if_index=1) at /home/vpp/18.01/build-data/../src/vnet/interface_funcs.h:84 #1 0x00007ffff6ca9397 in vnet_get_sup_hw_interface (vnm=0x7ffff7627400 <vnet_main>, sw_if_index=1) at /home/vpp/18.01/build-data/../src/vnet/interface_funcs.h:93 #2 0x00007ffff6caba44 in ethernet_input_inline (vm=0x7ffff791dce0 <vlib_global_main>, node=0x7fffb58b55c0, from_frame=0x7fffb5dd5440, variant=ETHERNET_INPUT_VARIANT_ETHERNET) at /home/vpp/18.01/build-data/../src/vnet/ethernet/node.c:645 #3 0x00007ffff6cac090 in ethernet_input (vm=0x7ffff791dce0 <vlib_global_main>, node=0x7fffb58b55c0, from_frame=0x7fffb5dd5440) at /home/vpp/18.01/build-data/../src/vnet/ethernet/node.c:779 #4 0x00007ffff769b628 in dispatch_node (vm=0x7ffff791dce0 <vlib_global_main>, node=0x7fffb58b55c0, type=VLIB_NODE_TYPE_INTERNAL, dispatch_state=VLIB_NODE_STATE_POLLING, frame=0x7fffb5dd5440, last_time_stamp=6119383983860) at /home/vpp/18.01/build-data/../src/vlib/main.c:1010 #5 0x00007ffff769bc0b in dispatch_pending_node (vm=0x7ffff791dce0 <vlib_global_main>, pending_frame_index=0, last_time_stamp=6119383983860) at /home/vpp/18.01/build-data/../src/vlib/main.c:1160 #6 0x00007ffff769de22 in vlib_main_or_worker_loop (vm=0x7ffff791dce0 <vlib_global_main>, is_main=1) at /home/vpp/18.01/build-data/../src/vlib/main.c:1630 #7 0x00007ffff769ded1 in vlib_main_loop (vm=0x7ffff791dce0 <vlib_global_main>) at /home/vpp/18.01/build-data/../src/vlib/main.c:1649 #8 0x00007ffff769e61a in vlib_main (vm=0x7ffff791dce0 <vlib_global_main>, input=0x7fffb5705fb0) at /home/vpp/18.01/build-data/../src/vlib/main.c:1804 #9 0x00007ffff76e110e in thread0 (arg=140737346919648) at /home/vpp/18.01/build-data/../src/vlib/unix/main.c:625 #10 0x00007ffff6928570 in clib_calljmp () at /home/vpp/18.01/build-data/../src/vppinfra/longjmp.S:128 #11 0x00007fffffffd390 in ?? () #12 0x00007ffff76e15b8 in vlib_unix_main (argc=31, argv=0x64c800) at /home/vpp/18.01/build-data/../src/vlib/unix/main.c:690 #13 0x0000000000405d12 in main (argc=31, argv=0x64c800) at /home/vpp/18.01/build-data/../src/vpp/vnet/main.c:241 (gdb)
What should I do to solve the problem? Thanks, xue