I have screwed up my system and need some help fixing. Long email because of the traces, so quick summary up front.
I was playing with pluggins and had some notes from over the summer on running the MacSwap pluggin. I downloaded the code via: git clone https://github.com/alagalah/macswap-plugin The code did not compile initially because the pluggin registration code changed from a function call to a MACRO. I fiddle with the code and got it to compile and install. As soon as I fired up VPP it crashed. I did not collect the output (sorry), but in the mean time I found the sample pluggin on the Wiki and figured it was the better route anyway. So I deleted the all macswap*.so files I could find under /usr/* and deleted my local sandbox with the MAC Swap changes. Now when I run VPP, it crashes, even a recent, clean sandbox. Builds and loads fine. But when I "show interfaces", vpp_api_test crashes (see below). Is there something in the pluggin registration that needs to be cleaned up that I am missing? Running on Fedora 25. Recent builds on my CentOS system work as expect, so this most likely has something to do with how I installed and more likely how I deleted the MAC Swap pluggin on my laptop. Any help would be greatly appreciated, Billy McFall The rest is logs on the crash: START VPP FROM CLEAN SANDBOX: ---------------------------------------------------- Mar 27 09:11:40 localhost systemd: Starting Vector Packet Processing Process... Mar 27 09:11:40 localhost systemd: Started Vector Packet Processing Process. Mar 27 09:11:40 localhost vpp: vlib_plugin_early_init:357: plugin path /usr/lib/vpp_plugins/ Mar 27 09:11:40 localhost vpp: load_one_plugin:187: Loaded plugin: acl_plugin.so Mar 27 09:11:40 localhost vpp: load_one_plugin:187: Loaded plugin: dpdk_plugin.so Mar 27 09:11:40 localhost vpp: load_one_plugin:187: Loaded plugin: flowperpkt_plugin.so Mar 27 09:11:40 localhost vpp: load_one_plugin:187: Loaded plugin: ila_plugin.so Mar 27 09:11:40 localhost vpp: load_one_plugin:187: Loaded plugin: ioam_plugin.so Mar 27 09:11:40 localhost vpp: load_one_plugin:114: Plugin disabled: ixge_plugin.so (default) Mar 27 09:11:40 localhost vpp: load_one_plugin:187: Loaded plugin: lb_plugin.so Mar 27 09:11:40 localhost vpp: load_one_plugin:187: Loaded plugin: libsixrd_plugin.so Mar 27 09:11:40 localhost vpp: load_one_plugin:187: Loaded plugin: snat_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/udp_ping_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/ioam_vxlan_gpe_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/acl_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/snat_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/ioam_trace_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/dpdk_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/ioam_pot_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/vxlan_gpe_ioam_export_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/flowperpkt_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/ioam_export_test_plugin.so Mar 27 09:11:40 localhost vpp: 0: load_one_plugin:63: Loaded plugin: /usr/lib/vpp_api_test_plugins/lb_test_plugin.so Mar 27 09:11:40 localhost vpp: EAL: Detected 4 lcore(s) Mar 27 09:11:40 localhost vpp: EAL: No free hugepages reported in hugepages-1048576kB Mar 27 09:11:40 localhost vpp: /usr/bin/vpp[31951]: dpdk_ipsec_process:241: DPDK Cryptodev support is disabled, default to OpenSSL IPsec Mar 27 09:11:40 localhost vpp: /usr/bin/vpp[31951]: dpdk_lib_init:557: DPDK drivers found no ports... Mar 27 09:11:40 localhost /usr/bin/vpp[31951]: dpdk_ipsec_process:241: DPDK Cryptodev support is disabled, default to OpenSSL IPsec Mar 27 09:11:40 localhost /usr/bin/vpp[31951]: dpdk_lib_init:557: DPDK drivers found no ports... RUN DEBUG CLI SESSION (WORKS FINE): ------------------------------------------------------------ $ telnet 0 5002 Trying 0.0.0.0... Connected to 0. Escape character is '^]'. _______ _ _ _____ ___ __/ __/ _ \ (_)__ | | / / _ \/ _ \ _/ _// // / / / _ \ | |/ / ___/ ___/ /_/ /____(_)_/\___/ |___/_/ /_/ vpp# show interfaces Name Idx State Counter Count local0 0 down vpp# RUN NON-DEBUG CLI SESSION (CRASH): ------------------------------------------------------------ $ vppctl _______ _ _ _____ ___ __/ __/ _ \ (_)__ | | / / _ \/ _ \ _/ _// // / / / _ \ | |/ / ___/ ___/ /_/ /____(_)_/\___/ |___/_/ /_/ vpp# vpp# vpp# vpp# show interfaces vpp# Mar 27 09:13:06 localhost kernel: vpp_api_test[32017]: segfault at 0 ip 00007f87648547f7 sp 00007ffcbaf9f6e0 error 4 in libvlibmemory.so.0.0.0[7f8764851000+1c000] GDB BACKTRACE: ------------------------- $ gdb vpp_api_test /home/bmcfall/coredumps/core-vpp_api_test-11-0-0-32017-1490620386 GNU gdb (GDB) Fedora 7.12.1-47.fc25 Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html > This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from vpp_api_test...Reading symbols from /usr/lib/debug/usr/bin/vpp_api_test.debug...done. done. [New LWP 32017] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `vpp_api_test'. Program terminated with signal SIGSEGV, Segmentation fault. #0 vlib_get_main () at /home/bmcfall/dev/2017_03_22_VPP_Master/vpp/src/vlib/global_funcs.h:26 26 vm = vlib_mains[os_get_cpu_number ()]; Missing separate debuginfos, use: dnf debuginfo-install openssl-libs-1.0.2j-3.fc25.x86_64 (gdb) (gdb) bt #0 vlib_get_main () at /home/bmcfall/dev/2017_03_22_VPP_Master/vpp/src/vlib/global_funcs.h:26 #1 __vlib_cli_command_registration_cli_show_api_histogram_command () at /home/bmcfall/dev/2017_03_22_VPP_Master/vpp/src/vlibmemory/memory_vlib.c:727 #2 0x00007f8764f14a3a in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7ffcbaf9f768, env=env@entry=0x7ffcbaf9f778) at dl-init.c:72 #3 0x00007f8764f14b4b in call_init (env=0x7ffcbaf9f778, argv=0x7ffcbaf9f768, argc=1, l=<optimized out>) at dl-init.c:30 #4 _dl_init (main_map=0x7f876512b128, argc=1, argv=0x7ffcbaf9f768, env=0x7ffcbaf9f778) at dl-init.c:120 #5 0x00007f8764f04d0a in _dl_start_user () from /lib64/ld-linux-x86-64.so.2 #6 0x0000000000000001 in ?? () #7 0x00007ffcbafa07b6 in ?? () #8 0x0000000000000000 in ?? () (gdb) -- *Billy McFall* SDN Group Office of Technology *Red Hat*
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