[ovs-discuss] Terminal halts while executing OVS configuration commands

[Harsh Gondaliya]

I am setting up OVS-DPDK bridge and on each line that I execute on the
terminal, terminal halts and doesn't give me the prompt to execute a new
command. Thus, I need to do Ctrl + C to kill the process and get my prompt
back. However, once I press Ctrl+C and then execute the same instruction,
it works and terminal gives me the prompt.

I frequently face this error. These are mt system logs.

Apr  8 17:54:06 dpdk-OptiPlex-5040 ovsdb-server: ovs|00001|vlog|INFO|opened
log file /usr/local/var/log/openvswitch/ovsdb-server.log
Apr  8 17:54:06 dpdk-OptiPlex-5040 ovsdb-server:
ovs|00002|ovsdb_server|INFO|ovsdb-server (Open vSwitch) 2.11.0
Apr  8 17:54:16 dpdk-OptiPlex-5040 ovsdb-server: ovs|00003|memory|INFO|5200
kB peak resident set size after 10.1 seconds
Apr  8 17:54:16 dpdk-OptiPlex-5040 ovsdb-server:
ovs|00004|memory|INFO|cells:20 monitors:0
Apr  8 17:54:20 dpdk-OptiPlex-5040 ovs-vsctl: ovs|00001|vsctl|INFO|Called
as ovs-vsctl --no-wait init
Apr  8 17:55:27 dpdk-OptiPlex-5040 ovs-vswitchd:
ovs|00001|ovs_numa|INFO|Discovered 8 CPU cores on NUMA node 0
Apr  8 17:55:27 dpdk-OptiPlex-5040 ovs-vswitchd:
ovs|00002|ovs_numa|INFO|Discovered 1 NUMA nodes and 8 CPU cores
Apr  8 17:55:27 dpdk-OptiPlex-5040 ovs-vswitchd:
ovs|00003|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
connecting...
Apr  8 17:55:27 dpdk-OptiPlex-5040 ovs-vswitchd:
ovs|00004|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
connected
Apr  8 17:55:27 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00005|dpdk|INFO|DPDK
Disabled - Use other_config:dpdk-init to enable
Apr  8 17:55:27 dpdk-OptiPlex-5040 ovs-vswitchd:
ovs|00006|bridge|INFO|ovs-vswitchd (Open vSwitch) 2.11.0
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vsctl: ovs|00001|vsctl|INFO|Called
as ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00007|memory|INFO|6028
kB peak resident set size after 33.2 seconds
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00008|dpdk|INFO|Using
DPDK 18.11.0
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00009|dpdk|INFO|DPDK
Enabled - initializing...
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00010|dpdk|INFO|No
vhost-sock-dir provided - defaulting to /usr/local/var/run/openvswitch
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00011|dpdk|INFO|IOMMU
support for vhost-user-client disabled.
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00012|dpdk|INFO|Per
port memory for DPDK devices disabled.
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00013|dpdk|INFO|EAL
ARGS: ovs-vswitchd --socket-mem 1024 --socket-limit 1024 -l 0.
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00014|dpdk|INFO|EAL:
Detected 8 lcore(s)
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00015|dpdk|INFO|EAL:
Detected 1 NUMA nodes
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00016|dpdk|INFO|EAL:
Multi-process socket /var/run/dpdk/rte/mp_socket
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00017|dpdk|WARN|EAL:
No free hugepages reported in hugepages-2048kB
Apr  8 17:56:00 dpdk-OptiPlex-5040 ovs-vswitchd: ovs|00018|dpdk|WARN|EAL:
No free hugepages reported in hugepages-2048kB
Apr  8 17:56:05 dpdk-OptiPlex-5040 ovs-vswitchd:
ovs|00001|daemon_unix|EMER|/usr/local/var/run/openvswitch/ovs-vswitchd.pid:
already running as pid 25312, aborting
Apr  8 17:56:57 dpdk-OptiPlex-5040 ovs-vsctl: ovs|00001|vsctl|INFO|Called
as ovs-vsctl set Open_vSwitch . other_config:dpdk-lcore-mask=0x3
Apr  8 17:57:14 dpdk-OptiPlex-5040 ovs-vsctl:
ovs|00002|fatal_signal|WARN|terminating with signal 2 (Interrupt)
Apr  8 17:57:24 dpdk-OptiPlex-5040 ovs-vsctl: ovs|00001|vsctl|INFO|Called
as ovs-vsctl set Open_vSwitch . other_config:dpdk-lcore-mask=0x3
Apr  8 17:57:24 dpdk-OptiPlex-5040 ovsdb-server:
ovs|00005|jsonrpc|WARN|unix#4: receive error: Connection reset by peer
Apr  8 17:57:24 dpdk-OptiPlex-5040 ovsdb-server:
ovs|00006|reconnect|WARN|unix#4: connection dropped (Connection reset by
peer)

I am totally stuck at this point and not able to proceed further.
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