[ovs-discuss] Cannot dump packet capture using dpdk-pdump

BALL SUN paulrbk at gmail.com
Wed Sep 27 09:55:37 UTC 2017


retried on the setup, once tried to rrun the dpdk-pdump, the following
command of ovs-ofctl will be hanged, any idea?

#  ovs-ofctl show br0
OFPT_FEATURES_REPLY (xid=0x2): dpid:0000001b21a7f597
n_tables:254, n_buffers:0
capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
actions: output enqueue set_vlan_vid set_vlan_pcp strip_vlan
mod_dl_src mod_dl_dst mod_nw_src mod_nw_dst mod_nw_tos mod_tp_src
mod_tp_dst
 1(dpdk0): addr:00:1b:21:a7:f5:97
     config:     0
     state:      0
     current:    1GB-FD AUTO_NEG
     speed: 1000 Mbps now, 0 Mbps max
 LOCAL(br0): addr:00:1b:21:a7:f5:97
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0


[root at dhost4 app]#
[roott at dhost app]#
[root at dhost app]#  ovs-ofctl show br0          <--- HANG


On Tue, Sep 26, 2017 at 8:30 PM, Sun Paul <paulrbk at gmail.com> wrote:
> Hi
>
> Whenever I run the dpdk-pdump, the ova-vswitchd daemon will be dead.
>
> Any idea?
>
>
>
> On Monday, September 25, 2017, Loftus, Ciara <ciara.loftus at intel.com> wrote:
>>
>> > Hi
>> >
>> > I am trying to configured dpdk-pdump to dump the packet in the OVS
>> > bridge, however, I am failed. no packet is capture on ingress or
>> > egress, any idea?
>>
>> Hi,
>>
>> You are capturing on port 1 but the link state is "down". Make sure your
>> link is up and that you can see packets being rx/tx in the statistics first
>> eg. via 'ovs-ofctl dump-ports <bridgename>'
>> The following might be useful as well:
>>
>> https://software.intel.com/en-us/articles/dpdk-pdump-in-open-vswitch-with-dpdk
>>
>> Thanks,
>> Ciara
>>
>> >
>> >
>> > the command I used is
>> > ./dpdk-pdump -- --pdump
>> > port=1,queue=*,rx-dev=/tmp/pkts_rx.pcap,tx-dev=/tmp/pkts_tx.pcap
>> > --server-socket-path=/usr/local/var/run/openvswitch
>> >
>> > the output on the screen is shown below.
>> >
>> > EAL: Detected 24 lcore(s)
>> > EAL: Probing VFIO support...
>> > EAL: WARNING: Address Space Layout Randomization (ASLR) is enabled in
>> > the kernel.
>> > EAL:    This may cause issues with mapping memory into secondary
>> > processes
>> > EAL: PCI device 0000:04:00.0 on NUMA socket 0
>> > EAL:   probe driver: 8086:150e net_e1000_igb
>> > EAL: PCI device 0000:04:00.1 on NUMA socket 0
>> > EAL:   probe driver: 8086:150e net_e1000_igb
>> > EAL: PCI device 0000:04:00.2 on NUMA socket 0
>> > EAL:   probe driver: 8086:150e net_e1000_igb
>> > EAL: PCI device 0000:04:00.3 on NUMA socket 0
>> > EAL:   probe driver: 8086:150e net_e1000_igb
>> > EAL: PCI device 0000:07:00.0 on NUMA socket 0
>> > EAL:   probe driver: 8086:1521 net_e1000_igb
>> > EAL: PCI device 0000:07:00.1 on NUMA socket 0
>> > EAL:   probe driver: 8086:1521 net_e1000_igb
>> > EAL: PCI device 0000:07:00.2 on NUMA socket 0
>> > EAL:   probe driver: 8086:1521 net_e1000_igb
>> > EAL: PCI device 0000:07:00.3 on NUMA socket 0
>> > EAL:   probe driver: 8086:1521 net_e1000_igb
>> > PMD: Initializing pmd_pcap for net_pcap_rx_0
>> > PMD: Creating pcap-backed ethdev on numa socket 4294967295
>> > Port 2 MAC: 00 00 00 01 02 03
>> > PMD: Initializing pmd_pcap for net_pcap_tx_0
>> > PMD: Creating pcap-backed ethdev on numa socket 4294967295
>> > Port 3 MAC: 00 00 00 01 02 03
>> >
>> > the port assignment is
>> >
>> > # ovs-ofctl show xtp1
>> > OFPT_FEATURES_REPLY (xid=0x2): dpid:0000001b21a7f596
>> > n_tables:254, n_buffers:0
>> > capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS
>> > ARP_MATCH_IP
>> > actions: output enqueue set_vlan_vid set_vlan_pcp strip_vlan
>> > mod_dl_src mod_dl_dst mod_nw_src mod_nw_dst mod_nw_tos
>> > mod_tp_src
>> > mod_tp_dst
>> >  1(dpdk1): addr:00:1b:21:a7:f5:97
>> >      config:     0
>> >      state:      LINK_DOWN
>> >      current:    AUTO_NEG
>> >      speed: 0 Mbps now, 0 Mbps max
>> >  2(dpdk0): addr:00:1b:21:a7:f5:96
>> >      config:     0
>> >      state:      LINK_DOWN
>> >      current:    AUTO_NEG
>> >      speed: 0 Mbps now, 0 Mbps max
>> >  LOCAL(gtp1): addr:00:1b:21:a7:f5:96
>> >      config:     0
>> >      state:      0
>> >      current:    10MB-FD COPPER
>> >      speed: 10 Mbps now, 0 Mbps max
>> > OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
>> > _______________________________________________
>> > discuss mailing list
>> > discuss at openvswitch.org
>> > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss


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