Bug 1761411
Summary: | [OVN] [RHEL8] ovn-controller is using 100% cpu when receive lots of incorrect arp packets | ||
---|---|---|---|
Product: | Red Hat Enterprise Linux Fast Datapath | Reporter: | Numan Siddique <nusiddiq> |
Component: | ovn2.11 | Assignee: | Dumitru Ceara <dceara> |
Status: | CLOSED CURRENTRELEASE | QA Contact: | haidong li <haili> |
Severity: | unspecified | Docs Contact: | |
Priority: | high | ||
Version: | FDP 19.G | CC: | ctrautma, dceara, haili, jishi, mmichels, nusiddiq, ovs-qe, qding |
Target Milestone: | --- | ||
Target Release: | --- | ||
Hardware: | x86_64 | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | If docs needed, set a value | |
Doc Text: | Story Points: | --- | |
Clone Of: | 1729846 | Environment: | |
Last Closed: | 2020-04-21 08:03:55 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 1729846 | ||
Bug Blocks: |
Description
Numan Siddique
2019-10-14 11:03:39 UTC
[root@dell-per730-42 ovn]# rpm -qa | grep ovn kernel-kernel-networking-openvswitch-ovn-1.0-148.noarch ovn2.11-central-2.11.1-7.el8fdp.x86_64 ovn2.11-2.11.1-7.el8fdp.x86_64 ovn2.11-host-2.11.1-7.el8fdp.x86_64 [root@dell-per730-42 ovn]# from scapy.all import * for x in range(1000): sendp(Ether(src="00:de:ad:01:00:01", dst="ff:ff:ff:ff:ff:ff")/ARP(op=1,hwsrc='00:de:ad:01:00:01',hwdst='00:00:00:00:00:00',psrc='172.16.102.11',pdst='0.0.0.0'),iface="eth1") [root@dell-per730-42 ~]# top top - 05:23:48 up 1:43, 2 users, load average: 0.13, 0.05, 0.09 Tasks: 548 total, 1 running, 547 sleeping, 0 stopped, 0 zombie %Cpu(s): 0.8 us, 0.2 sy, 0.0 ni, 99.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st MiB Mem : 31967.2 total, 24027.0 free, 1900.5 used, 6039.7 buff/cache MiB Swap: 16128.0 total, 16128.0 free, 0.0 used. 29592.3 avail Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 22753 qemu 20 0 7517516 604136 21112 S 20.9 1.8 0:55.73 qemu-kvm 21738 root 20 0 1972900 44148 31436 S 2.3 0.1 0:03.05 libvirtd 27509 root 20 0 246740 13688 11768 S 1.0 0.0 0:01.07 virsh 3717 root 20 0 151196 5028 3780 S 0.7 0.0 0:01.71 sshd 22520 openvsw+ 10 -10 3407944 154012 33040 S 0.7 0.5 0:11.05 ovs-vswitchd 17340 root 20 0 0 0 0 I 0.3 0.0 0:00.08 kworker/u97:2-events_unbound 22586 root 10 -10 263724 4904 3004 S 0.3 0.0 0:01.91 ovn-controller 22913 qemu 20 0 6092188 570660 20876 S 0.3 1.7 0:41.01 qemu-kvm 23165 root 20 0 0 0 0 S 0.3 0.0 0:00.09 vhost-22753 23238 root 20 0 0 0 0 S 0.3 0.0 0:00.05 vhost-22913 27652 root 20 0 0 0 0 I 0.3 0.0 0:00.05 kworker/u98:3-events_unbound 27654 root 20 0 64384 5336 4036 R 0.3 0.0 0:00.02 top 1 root 20 0 244620 11568 8276 S 0.0 0.0 0:04.97 systemd 2 root 20 0 0 0 0 S 0.0 0.0 0:00.01 kthreadd 3 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 rcu_gp |