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Description

This article explains DPDK port stuck issue reported on SRX4100/4200 Platforms and Junos versions where it is fixed.

Symptoms

To verify the nic state, please follow below steps:

Go to shell mode: “start shell”
Connect to host: “ssh -JU __juniper_private4__ [email protected]”
Check the mapping of interface with Nic port: “show nic stats port <0-8>”

(Select the port at which you are seeing the issue)

This is the command to collect the statistics for the given Nic port: “show nic queue-stats port <0-8>”

(Collect this output multiple times to see if “TX-packets” counters are increasing continuously or not)

If you notice that “TX packets” counters are not incrementing then look into logs for this message “DPDK port # is stuck with hardware issue” (Note: 19.4R3 onwards only, this log message will be seen)

Example:

Lab-Firewall#show nic stats port 0" target node0.fpc0

================ tnp_0x10001081 ================

SENT: Ukern command: show nic stats port 0

######################## NIC statistics for port 0 ########################

RX-packets: 488683 RX-errors: 0 RX-bytes: 313133530

RX-nombuf: 0

TX-packets: 73967 TX-errors: 0 TX-bytes: 22554358 <<<<<

Stats reg 0 RX-packets: 61717 RX-errors: 0 RX-bytes: 30222704

Stats reg 1 RX-packets: 45396 RX-errors: 0 RX-bytes: 19900315

Stats reg 2 RX-packets: 37026 RX-errors: 0 RX-bytes: 24100888

Stats reg 3 RX-packets: 36384 RX-errors: 0 RX-bytes: 13191281

Stats reg 4 RX-packets: 38980 RX-errors: 0 RX-bytes: 15080392

Stats reg 5 RX-packets: 44501 RX-errors: 0 RX-bytes: 17099781

Stats reg 6 RX-packets: 46914 RX-errors: 0 RX-bytes: 30682620

Stats reg 7 RX-packets: 133412 RX-errors: 0 RX-bytes: 143082867

Stats reg 8 RX-packets: 43447 RX-errors: 0 RX-bytes: 19697040

Stats reg 9 RX-packets: 906 RX-errors: 0 RX-bytes: 75642

Stats reg 10 RX-packets: 0 RX-errors: 0 RX-bytes: 0

Stats reg 11 RX-packets: 0 RX-errors: 0 RX-bytes: 0

Stats reg 12 RX-packets: 0 RX-errors: 0 RX-bytes: 0

Stats reg 13 RX-packets: 0 RX-errors: 0 RX-bytes: 0

Stats reg 14 RX-packets: 0 RX-errors: 0 RX-bytes: 0

Stats reg 15 RX-packets: 0 RX-errors: 0 RX-bytes: 0

Stats reg 0 TX-packets: 11506 TX-bytes: 3136755

Stats reg 1 TX-packets: 1967 TX-bytes: 1092416

Stats reg 2 TX-packets: 3203 TX-bytes: 1055440

Stats reg 3 TX-packets: 3623 TX-bytes: 1553650

Stats reg 4 TX-packets: 8502 TX-bytes: 1754202

Stats reg 5 TX-packets: 2495 TX-bytes: 935701

Stats reg 6 TX-packets: 3594 TX-bytes: 1334217

Stats reg 7 TX-packets: 2160 TX-bytes: 728911

Stats reg 8 TX-packets: 3293 TX-bytes: 1143037

Stats reg 9 TX-packets: 3445 TX-bytes: 1282575

Stats reg 10 TX-packets: 3733 TX-bytes: 1419152

Stats reg 11 TX-packets: 7225 TX-bytes: 1497078

Stats reg 12 TX-packets: 6806 TX-bytes: 1570908

Stats reg 13 TX-packets: 3034 TX-bytes: 982978

Stats reg 14 TX-packets: 5574 TX-bytes: 1535978

Stats reg 15 TX-packets: 3807 TX-bytes: 1351594

############################################################################

Lab-Firewall#show nic stats port 0" target node0.fpc0

Aug 15 18:32:36

================ tnp_0x10001081 ================

SENT: Ukern command: show nic stats port 0

######################## NIC statistics for port 0 ########################

RX-packets: 488685 RX-errors: 0 RX-bytes: 313134279

RX-nombuf: 0

TX-packets: 73967 TX-errors: 0 TX-bytes: 22554478 <<<<<

Stats reg 0 RX-packets: 61719 RX-errors: 0 RX-bytes: 30223453