2147498 – After a minor update, connectiviy issues between a new instance and metadata.

Bug 2147498 - After a minor update, connectiviy issues between a new instance and metadata.

Summary: After a minor update, connectiviy issues between a new instance and metadata.

Keywords:
Status:	CLOSED ERRATA
Alias:	None
Product:	Red Hat Enterprise Linux Fast Datapath
Classification:	Red Hat
Component:	ovn22.03
Sub Component:
Version:	FDP 21.F
Hardware:	Unspecified
OS:	Unspecified
Priority:	high
Severity:	high
Target Milestone:	---
Target Release:	---
Assignee:	xsimonar
QA Contact:	Ehsan Elahi
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+	depends on / blocked

Reported:	2022-11-24 05:03 UTC by OVN Bot
Modified:	2022-12-15 15:26 UTC (History)
CC List:	19 users (show)
Fixed In Version:	ovn22.03-22.03.0-123.el8fdp
Doc Type:	If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed:	2022-12-15 15:26:33 UTC
Target Upstream Version:
Embargoed:

Attachments	(Terms of Use)

Links
System	ID	Private	Priority	Status	Summary	Last Updated
Red Hat Issue Tracker	FD-2498	0	None	None	None	2022-11-24 05:18:43 UTC
Red Hat Product Errata	RHBA-2022:9059	0	None	None	None	2022-12-15 15:26:37 UTC

Description OVN Bot 2022-11-24 05:03:56 UTC

This is an automatically-generated clone of issue https://bugzilla.redhat.com/show_bug.cgi?id=2129866

Comment 3 Ehsan Elahi 2022-12-05 20:31:45 UTC

Using the reproducer mentioned in https://bugzilla.redhat.com/show_bug.cgi?id=2129866#c1

Reproduced on:
[root@@bz-2129866 ~]# rpm -qa |grep -E 'ovn|openvswitch'
ovn22.03-22.03.0-106.el8fdp.x86_64
ovn22.03-central-22.03.0-106.el8fdp.x86_64
openvswitch-selinux-extra-policy-1.0-29.el8fdp.noarch
ovn22.03-host-22.03.0-106.el8fdp.x86_64
openvswitch2.17-2.17.0-57.el8fdp.x86_64

========= After running create.sh ===========
[root@@bz-2129866 ~]# ovn-sbctl find port_binding logical_port=ls1lp|grep uuid|cut -d: -f2| cut -c1-9
 e2466ff3
[root@@bz-2129866 ~]# COOKIE=$(ovn-sbctl find port_binding logical_port=ls1lp|grep uuid|cut -d: -f2| cut -c1-9)
[root@@bz-2129866 ~]# ovs-ofctl dump-flows br-int|grep $COOKIE
 cookie=0xe2466ff3, duration=40.898s, table=0, n_packets=2, n_bytes=140, idle_age=25, priority=100,in_port=2 actions=load:0x3->NXM_NX_REG13[],load:0x4->NXM_NX_REG11[],load:0x1->NXM_NX_REG12[],load:0x1->OXM_OF_METADATA[],load:0x2->NXM_NX_REG14[],load:0x1->NXM_NX_REG10[10],resubmit(,8)
 cookie=0xe2466ff3, duration=40.898s, table=37, n_packets=2, n_bytes=140, idle_age=25, priority=150,reg14=0x2,metadata=0x1 actions=resubmit(,38)
 cookie=0xe2466ff3, duration=40.898s, table=38, n_packets=0, n_bytes=0, idle_age=40, priority=100,reg15=0x2,metadata=0x1 actions=load:0x3->NXM_NX_REG13[],load:0x4->NXM_NX_REG11[],load:0x1->NXM_NX_REG12[],resubmit(,39)
 cookie=0xe2466ff3, duration=40.898s, table=39, n_packets=0, n_bytes=0, idle_age=40, priority=100,reg10=0/0x1,reg14=0x2,reg15=0x2,metadata=0x1 actions=drop
 cookie=0xe2466ff3, duration=40.898s, table=64, n_packets=0, n_bytes=0, idle_age=40, priority=100,reg10=0x1/0x1,reg15=0x2,metadata=0x1 actions=push:NXM_OF_IN_PORT[],load:0xffff->NXM_OF_IN_PORT[],resubmit(,65),pop:NXM_OF_IN_PORT[]
 cookie=0xe2466ff3, duration=40.898s, table=65, n_packets=0, n_bytes=0, idle_age=40, priority=100,reg15=0x2,metadata=0x1 actions=output:2

============= After running switch.sh ================================
============= same in_port, flows remain unchanged =======================
[root@@bz-2129866 ~]# ovn-sbctl find port_binding logical_port=ls1lp|grep uuid|cut -d: -f2| cut -c1-9
 e2466ff3
[root@@bz-2129866 ~]# COOKIE=$(ovn-sbctl find port_binding logical_port=ls1lp|grep uuid|cut -d: -f2| cut -c1-9)
[root@@bz-2129866 ~]# ovs-ofctl dump-flows br-int|grep $COOKIE
 cookie=0xe2466ff3, duration=82.937s, table=0, n_packets=3, n_bytes=210, idle_age=38, priority=100,in_port=2 actions=load:0x3->NXM_NX_REG13[],load:0x4->NXM_NX_REG11[],load:0x1->NXM_NX_REG12[],load:0x1->OXM_OF_METADATA[],load:0x2->NXM_NX_REG14[],load:0x1->NXM_NX_REG10[10],resubmit(,8)
 cookie=0xe2466ff3, duration=82.937s, table=37, n_packets=3, n_bytes=210, idle_age=38, priority=150,reg14=0x2,metadata=0x1 actions=resubmit(,38)
 cookie=0xe2466ff3, duration=82.937s, table=38, n_packets=0, n_bytes=0, idle_age=82, priority=100,reg15=0x2,metadata=0x1 actions=load:0x3->NXM_NX_REG13[],load:0x4->NXM_NX_REG11[],load:0x1->NXM_NX_REG12[],resubmit(,39)
 cookie=0xe2466ff3, duration=82.937s, table=39, n_packets=0, n_bytes=0, idle_age=82, priority=100,reg10=0/0x1,reg14=0x2,reg15=0x2,metadata=0x1 actions=drop
 cookie=0xe2466ff3, duration=82.937s, table=64, n_packets=0, n_bytes=0, idle_age=82, priority=100,reg10=0x1/0x1,reg15=0x2,metadata=0x1 actions=push:NXM_OF_IN_PORT[],load:0xffff->NXM_OF_IN_PORT[],resubmit(,65),pop:NXM_OF_IN_PORT[]
 cookie=0xe2466ff3, duration=82.937s, table=65, n_packets=0, n_bytes=0, idle_age=82, priority=100,reg15=0x2,metadata=0x1 actions=output:2
[root@@bz-2129866 ~]# ovs-vsctl del-port br-int ls1lp
================= No flows showing ======================
[root@@bz-2129866 ~]# ovs-ofctl dump-flows br-int|grep $COOKIE
[root@@bz-2129866 ~]# ovn-appctl -t ovn-controller recompute
================ After recompute, flow are back with new in_port ==============
[root@@bz-2129866 ~]# ovs-ofctl dump-flows br-int|grep $COOKIE
 cookie=0xe2466ff3, duration=2.577s, table=0, n_packets=0, n_bytes=0, idle_age=2, priority=100,in_port=3 actions=load:0x3->NXM_NX_REG13[],load:0x4->NXM_NX_REG11[],load:0x1->NXM_NX_REG12[],load:0x1->OXM_OF_METADATA[],load:0x2->NXM_NX_REG14[],load:0x1->NXM_NX_REG10[10],resubmit(,8)
 cookie=0xe2466ff3, duration=2.577s, table=37, n_packets=0, n_bytes=0, idle_age=2, priority=150,reg14=0x2,metadata=0x1 actions=resubmit(,38)
 cookie=0xe2466ff3, duration=2.577s, table=38, n_packets=0, n_bytes=0, idle_age=2, priority=100,reg15=0x2,metadata=0x1 actions=load:0x3->NXM_NX_REG13[],load:0x4->NXM_NX_REG11[],load:0x1->NXM_NX_REG12[],resubmit(,39)
 cookie=0xe2466ff3, duration=2.577s, table=39, n_packets=0, n_bytes=0, idle_age=2, priority=100,reg10=0/0x1,reg14=0x2,reg15=0x2,metadata=0x1 actions=drop
 cookie=0xe2466ff3, duration=2.577s, table=64, n_packets=0, n_bytes=0, idle_age=2, priority=100,reg10=0x1/0x1,reg15=0x2,metadata=0x1 actions=push:NXM_OF_IN_PORT[],load:0xffff->NXM_OF_IN_PORT[],resubmit(,65),pop:NXM_OF_IN_PORT[]
 cookie=0xe2466ff3, duration=2.577s, table=65, n_packets=0, n_bytes=0, idle_age=2, priority=100,reg15=0x2,metadata=0x1 actions=output:3

Verified on:
[root@@bz-2129866 ~]# rpm -qa |grep -E 'ovn|openvswitch'
ovn22.03-22.03.0-125.el8fdp.x86_64
ovn22.03-central-22.03.0-125.el8fdp.x86_64
openvswitch-selinux-extra-policy-1.0-29.el8fdp.noarch
ovn22.03-host-22.03.0-125.el8fdp.x86_64
openvswitch2.17-2.17.0-65.el8fdp.x86_64

========= After running create.sh =======================
[root@@bz-2129866 ~]# ovs-ofctl dump-flows br-int|grep $COOKIE
 cookie=0xa0c4f4f3, duration=15.651s, table=0, n_packets=6, n_bytes=476, idle_age=0, priority=100,in_port=2 actions=load:0x3->NXM_NX_REG13[],load:0x1->NXM_NX_REG11[],load:0x4->NXM_NX_REG12[],load:0x1->OXM_OF_METADATA[],load:0x2->NXM_NX_REG14[],load:0x1->NXM_NX_REG10[10],resubmit(,8)
 cookie=0xa0c4f4f3, duration=15.651s, table=37, n_packets=6, n_bytes=476, idle_age=0, priority=150,reg14=0x2,metadata=0x1 actions=resubmit(,38)
 cookie=0xa0c4f4f3, duration=15.651s, table=38, n_packets=0, n_bytes=0, idle_age=15, priority=100,reg15=0x2,metadata=0x1 actions=load:0x3->NXM_NX_REG13[],load:0x1->NXM_NX_REG11[],load:0x4->NXM_NX_REG12[],resubmit(,39)
 cookie=0xa0c4f4f3, duration=15.651s, table=39, n_packets=0, n_bytes=0, idle_age=15, priority=100,reg10=0/0x1,reg14=0x2,reg15=0x2,metadata=0x1 actions=drop
 cookie=0xa0c4f4f3, duration=15.651s, table=64, n_packets=0, n_bytes=0, idle_age=15, priority=100,reg10=0x1/0x1,reg15=0x2,metadata=0x1 actions=push:NXM_OF_IN_PORT[],load:0xffff->NXM_OF_IN_PORT[],resubmit(,65),pop:NXM_OF_IN_PORT[]
 cookie=0xa0c4f4f3, duration=15.651s, table=65, n_packets=0, n_bytes=0, idle_age=15, priority=100,reg15=0x2,metadata=0x1 actions=output:2

============= After running switch.sh ================================
============= different in_port, flows changed =======================

[root@@bz-2129866 ~]# COOKIE=$(ovn-sbctl find port_binding logical_port=ls1lp|grep uuid|cut -d: -f2| cut -c1-9)
[root@@bz-2129866 ~]# ovs-ofctl dump-flows br-int|grep $COOKIE
 cookie=0xa0c4f4f3, duration=0.014s, table=0, n_packets=0, n_bytes=0, idle_age=0, priority=100,in_port=3 actions=load:0x3->NXM_NX_REG13[],load:0x1->NXM_NX_REG11[],load:0x4->NXM_NX_REG12[],load:0x1->OXM_OF_METADATA[],load:0x2->NXM_NX_REG14[],load:0x1->NXM_NX_REG10[10],resubmit(,8)
 cookie=0xa0c4f4f3, duration=29.248s, table=37, n_packets=6, n_bytes=476, idle_age=14, priority=150,reg14=0x2,metadata=0x1 actions=resubmit(,38)
 cookie=0xa0c4f4f3, duration=29.248s, table=38, n_packets=0, n_bytes=0, idle_age=29, priority=100,reg15=0x2,metadata=0x1 actions=load:0x3->NXM_NX_REG13[],load:0x1->NXM_NX_REG11[],load:0x4->NXM_NX_REG12[],resubmit(,39)
 cookie=0xa0c4f4f3, duration=29.248s, table=39, n_packets=0, n_bytes=0, idle_age=29, priority=100,reg10=0/0x1,reg14=0x2,reg15=0x2,metadata=0x1 actions=drop
 cookie=0xa0c4f4f3, duration=29.248s, table=64, n_packets=0, n_bytes=0, idle_age=29, priority=100,reg10=0x1/0x1,reg15=0x2,metadata=0x1 actions=push:NXM_OF_IN_PORT[],load:0xffff->NXM_OF_IN_PORT[],resubmit(,65),pop:NXM_OF_IN_PORT[]
 cookie=0xa0c4f4f3, duration=0.014s, table=65, n_packets=0, n_bytes=0, idle_age=0, priority=100,reg15=0x2,metadata=0x1 actions=output:3

================= Flows are shown, no need to recompute ====================== 
[root@@bz-2129866 ~]# ovs-vsctl del-port br-int ls1lp
[root@@bz-2129866 ~]# ovs-ofctl dump-flows br-int|grep $COOKIE
 cookie=0xa0c4f4f3, duration=70.906s, table=0, n_packets=9, n_bytes=706, idle_age=9, priority=100,in_port=3 actions=load:0x3->NXM_NX_REG13[],load:0x1->NXM_NX_REG11[],load:0x4->NXM_NX_REG12[],load:0x1->OXM_OF_METADATA[],load:0x2->NXM_NX_REG14[],load:0x1->NXM_NX_REG10[10],resubmit(,8)
 cookie=0xa0c4f4f3, duration=100.140s, table=37, n_packets=15, n_bytes=1182, idle_age=9, priority=150,reg14=0x2,metadata=0x1 actions=resubmit(,38)
 cookie=0xa0c4f4f3, duration=100.140s, table=38, n_packets=0, n_bytes=0, idle_age=100, priority=100,reg15=0x2,metadata=0x1 actions=load:0x3->NXM_NX_REG13[],load:0x1->NXM_NX_REG11[],load:0x4->NXM_NX_REG12[],resubmit(,39)
 cookie=0xa0c4f4f3, duration=100.140s, table=39, n_packets=0, n_bytes=0, idle_age=100, priority=100,reg10=0/0x1,reg14=0x2,reg15=0x2,metadata=0x1 actions=drop
 cookie=0xa0c4f4f3, duration=100.140s, table=64, n_packets=0, n_bytes=0, idle_age=100, priority=100,reg10=0x1/0x1,reg15=0x2,metadata=0x1 actions=push:NXM_OF_IN_PORT[],load:0xffff->NXM_OF_IN_PORT[],resubmit(,65),pop:NXM_OF_IN_PORT[]
 cookie=0xa0c4f4f3, duration=70.906s, table=65, n_packets=0, n_bytes=0, idle_age=70, priority=100,reg15=0x2,metadata=0x1 actions=output:3

Comment 5 errata-xmlrpc 2022-12-15 15:26:33 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (ovn22.03 bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:9059

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