Bug 2224248
| Summary: | create dpdk tap interface failed with myeth1(rxq:1 txq:5 lsc interrupt mode:false) configure error: Operation not permitted | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux Fast Datapath | Reporter: | mhou <mhou> |
| Component: | openvswitch | Assignee: | Timothy Redaelli <tredaelli> |
| openvswitch sub component: | ovs-dpdk | QA Contact: | mhou <mhou> |
| Status: | NEW --- | Docs Contact: | |
| Severity: | high | ||
| Priority: | unspecified | CC: | ctrautma, jhsiao, ktraynor |
| Version: | RHEL 9.0 | ||
| 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: | Environment: | ||
| Last Closed: | Type: | Bug | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
|
Description
mhou
2023-07-20 09:18:15 UTC
This issue still existed on openvswitch3.1-3.1.0-2. But can't be reproduced on openvswitch2.17-2.17.0-4.el9fdp.x86_64.rpm. Here is a simple reproduced.
# cat tap.sh
#!/bin/bash
#ovs-vsctl --no-wait set Open_vSwitch . other_config:vhost-iommu-support=true
set -x
ovs-vsctl list bridge 2>/dev/null | grep name | awk '{
system("ovs-vsctl --if-exist del-br "$3" &>/dev/null")
}'
sleep 1
systemctl stop openvswitch &>/dev/null
sleep 1
rm -rf /etc/openvswitch/*.db
sleep 1
rm -rf /var/lib/openvswitch/*
sleep 1
systemctl restart openvswitch
ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true
ovs-vsctl add-br ovsbr0 -- set bridge ovsbr0 datapath_type=netdev
ovs-vsctl add-port ovsbr0 myeth1 -- set Interface myeth1 type=dpdk options:dpdk-devargs="net_tap1,iface=myeth1"
# sh tap.sh
+ awk '{
system("ovs-vsctl --if-exist del-br "$3" &>/dev/null")
}'
+ grep name
+ ovs-vsctl list bridge
+ sleep 1
+ systemctl stop openvswitch
+ sleep 1
+ rm -rf /etc/openvswitch/conf.db
+ sleep 1
+ rm -rf /var/lib/openvswitch/pki
+ sleep 1
+ systemctl restart openvswitch
+ ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true
+ ovs-vsctl add-br ovsbr0 -- set bridge ovsbr0 datapath_type=netdev
+ ovs-vsctl add-port ovsbr0 myeth1 -- set Interface myeth1 type=dpdk options:dpdk-devargs=net_tap1,iface=myeth1
[root@hp-dl388g10-03 ovs_bond_function]# ovs-vsctl show
e2d39037-c1f5-4bc7-bf19-b3a57b5bf5e6
Bridge ovsbr0
datapath_type: netdev
Port myeth1
Interface myeth1
type: dpdk
options: {dpdk-devargs="net_tap1,iface=myeth1"}
Port ovsbr0
Interface ovsbr0
type: internal
ovs_version: "2.17.1"
Test on openvswitch2.17-2.17.0-94, and It can also work as well.
# sh tap.sh
+ awk '{
system("ovs-vsctl --if-exist del-br "$3" &>/dev/null")
}'
+ grep name
+ ovs-vsctl list bridge
+ sleep 1
+ systemctl stop openvswitch
+ sleep 1
+ rm -rf /etc/openvswitch/conf.db
+ sleep 1
+ rm -rf /var/lib/openvswitch/pki
+ sleep 1
+ systemctl restart openvswitch
+ ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true
+ ovs-vsctl add-br ovsbr0 -- set bridge ovsbr0 datapath_type=netdev
+ ovs-vsctl add-port ovsbr0 myeth1 -- set Interface myeth1 type=dpdk options:dpdk-devargs=net_tap1,iface=myeth1
[root@hp-dl388g10-03 ovs_bond_function]# ovs-vsctl show
e2d39037-c1f5-4bc7-bf19-b3a57b5bf5e6
Bridge ovsbr0
datapath_type: netdev
Port myeth1
Interface myeth1
type: dpdk
options: {dpdk-devargs="net_tap1,iface=myeth1"}
Port ovsbr0
Interface ovsbr0
type: internal
ovs_version: "2.17.1"
[root@hp-dl388g10-03 ovs_bond_function]# sh tap.sh
+ ovs-vsctl list bridge
+ grep name
+ awk '{
system("ovs-vsctl --if-exist del-br "$3" &>/dev/null")
}'
+ sleep 1
+ systemctl stop openvswitch
+ sleep 1
+ rm -rf /etc/openvswitch/conf.db
+ sleep 1
+ rm -rf /var/lib/openvswitch/pki
+ sleep 1
+ systemctl restart openvswitch
+ ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true
+ ovs-vsctl add-br ovsbr0 -- set bridge ovsbr0 datapath_type=netdev
+ ovs-vsctl add-port ovsbr0 myeth1 -- set Interface myeth1 type=dpdk options:dpdk-devargs=net_tap1,iface=myeth1
# ovs-vsctl show
d6f3f113-3d41-4f8e-ad3c-5b81fd50ce1a
Bridge ovsbr0
datapath_type: netdev
Port myeth1
Interface myeth1
type: dpdk
options: {dpdk-devargs="net_tap1,iface=myeth1"}
Port ovsbr0
Interface ovsbr0
type: internal
ovs_version: "2.17.8"
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