icymoon
icymoon
Reload keepalived, add / remove 2 real servers each time. sleep 1 sec between reloading. Core was generated by `/home/XXXX/../dpvs/bin/keepalived -d -C -f /etc/keepalive'. Program terminated with signal 11, Segmentation...
Full NAT模式 复现方法： 1. 修改keepalived文件，去掉已有的real servers，添加新的real server； 2. 调用sre_scripts/reload_keepalived.sh reload配置； 3. ipvsadm -ln 查看rs，发现旧的real servers还在；
dpvs rules and pressure like this: ``` IP Virtual Server version 0.0.0 (size=0) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn MATCH icmp,from=172.16.0.0-172.16.255.254:0-0,oif=dpdk1 rr -> 192.168.10.2:0 SNAT 100...
Here is log, several types: multicast_msg_send: mc_msg(type:12, cid:0->slaves) timeout(2000 us), drop... SAPOOL: sa_pool_stats: mc msg send fail: msg dropped MSGMGR: multicast_msg_send: repeated sequence number for multicast msg: type 12, seq...
Core was generated by `./keepalived -d -C -f /etc/keepalived/keepalived.conf -S 6'. Program terminated with signal 6, Aborted. #0 0x00007f602ddea1f7 in raise () from /lib64/libc.so.6 Missing separate debuginfos, use: debuginfo-install glibc-2.17-196.el7.x86_64...
Ping doesn't work. Thank you very much. \# ipvsadm -lnc [1]-- 300s ICMP_NORMAL 192.168.10.4:8 192.168.10.6:54804 192.168.10.4:8 172.16.10.3:54804 [1]-- 300s ICMP_NORMAL 192.168.10.3:8 192.168.10.4:55072 192.168.10.3:8 172.16.10.3:55072 [1]-- 300s ICMP_NORMAL 192.168.10.5:8 192.168.10.5:55069 192.168.10.5:8...
Maybe we can drop error packets in dpvs, thank you very much.
two keepalived conf files, only config item alpha is different. reload again and again, with usleep 300 \# gdb ./keepalived core.90055 GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-100.el7 Copyright...
wrk, ping and send packets with scapy; ipvsadm, kill -HUP keepalived. both keepalived and dpvs crashed. \# gdb ./dpvs ./core.119039 GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-100.el7 Copyright (C)...
\# ./ipvsadm -V -H proto=tcp,src-range=172.16.0.0-172.16.254.254,oif=dpdk1 -k 192.168.10.2 [sockopt_msg_recv] errcode set in socket msg#701 header: not exist(-4) Success \# echo $? 252 Sometimes the commas get error msg from dpvs, but...