dpdkvhostuserclient port link state is down when ovs-vswitchd is reset

https://bugs.dpdk.org/show_bug.cgi?id=1065

            Bug ID: 1065
           Summary: dpdkvhostuserclient port link state is down when
                    ovs-vswitchd is reset
           Product: DPDK
           Version: 22.03
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: vhost/virtio
          Assignee: [email protected]
          Reporter: [email protected]

Target Milestone: ---

The OVS vsswitchd service runs in the k8s pod. When the OVS vswitchd service is restarted outside the k8s pod, the dpdkvhostuserclient port cannot be up, and the link status is down.

_uuid               : 40eb0983-e6f3-482b-ad24-feda610e5007
admin_state         : up
bfd                 : {}
bfd_status          : {}
cfm_fault           : []
cfm_fault_status    : []
cfm_flap_count      : []
cfm_health          : []
cfm_mpid            : []
cfm_remote_mpids    : []
cfm_remote_opstate  : []
duplex              : []
error               : []
external_ids        : {attached-mac="fa:16:3e:af:ff:88",

iface-id="89564e04-3f67-4277-bc5d-6c7f2637d33e", iface-status=active, ovn-installed="true", vm-uuid="02a0c63d-f99e-4294-ba01-51d4b06ccafc"}
ifindex : 2587509
ingress_policing_burst: 0
ingress_policing_kpkts_burst: 0
ingress_policing_kpkts_rate: 0
ingress_policing_rate: 0
lacp_current : []
link_resets : 0
link_speed : []
link_state : down
lldp : {}
mac : []
mac_in_use : "00:00:00:00:00:00"
mtu : 1500
mtu_request : 1500
name : vhu89564e04-3f
ofport : 14
ofport_request : []
options : {vhost-server-path="/var/run/openvswitch/vhu89564e04-3f"}
other_config : {}
statistics : {ovs_rx_qos_drops=0, ovs_tx_failure_drops=0,
ovs_tx_invalid_hwol_drops=0, ovs_tx_mtu_exceeded_drops=0, ovs_tx_qos_drops=0, ovs_tx_retries=0, rx_1024_to_1522_packets=0, rx_128_to_255_packets=0, rx_1523_to_max_packets=0, rx_1_to_64_packets=0, rx_256_to_511_packets=2, rx_512_to_1023_packets=0, rx_65_to_127_packets=0, rx_bytes=684, rx_dropped=0, rx_errors=0, rx_packets=2, tx_bytes=344, tx_dropped=1, tx_packets=1}
status : {mode=client, status=disconnected}
type : dpdkvhostuserclient

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https://bugs.dpdk.org/show_bug.cgi?id=1065

zhangtongjian ([email protected]) changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|CONFIRMED                   |RESOLVED
         Resolution|---                         |FIXED

--- Comment #11 from zhangtongjian ([email protected]) ---
I'm trying to get this fix back, it is indeed caused by the version problem of QEMU. And you can close this DPDK Bz.

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