Troubleshoot SONiC DPU Modules

Verify the system health using the show system health command. Ensure that the status is displayed as 'OK' and that the LED color is green.

root@Router:/home/cisco# show system-health sum
System status summary

 System status LED  green
 Services:
   Status: OK
 Hardware:
   Status: OK
root@Router-dut:/home/cisco#

Verify if the DPU modules are connected to PCI bus.

root@Router:/home/cisco# lspci -vvnnt | grep AMD
|           +-02.0-[16-19]----00.0-[17-18]----00.0-[18]--+-00.0  AMD Pensando Systems DSC Management Controller [1dd8:1004]
|           |                                            \-00.1  AMD Pensando Systems DSC Serial Port Controller [1dd8:100a]
|           +-03.0-[1a-1d]----00.0-[1b-1c]----00.0-[1c]--+-00.0  AMD Pensando Systems DSC Management Controller [1dd8:1004]
|           |                                            \-00.1  AMD Pensando Systems DSC Serial Port Controller [1dd8:100a]
|           +-04.0-[1e-21]----00.0-[1f-20]----00.0-[20]--+-00.0  AMD Pensando Systems DSC Management Controller [1dd8:1004]
|           |                                            \-00.1  AMD Pensando Systems DSC Serial Port Controller [1dd8:100a]
|           \-05.0-[22-25]----00.0-[23-24]----00.0-[24]--+-00.0  AMD Pensando Systems DSC Management Controller [1dd8:1004]
|                                                        \-00.1  AMD Pensando Systems DSC Serial Port Controller [1dd8:100a]
|           +-02.0-[89-8c]----00.0-[8a-8b]----00.0-[8b]--+-00.0  AMD Pensando Systems DSC Management Controller [1dd8:1004]
|           |                                            \-00.1  AMD Pensando Systems DSC Serial Port Controller [1dd8:100a]
|           +-03.0-[8d-90]----00.0-[8e-8f]----00.0-[8f]--+-00.0  AMD Pensando Systems DSC Management Controller [1dd8:1004]
|           |                                            \-00.1  AMD Pensando Systems DSC Serial Port Controller [1dd8:100a]
|           +-04.0-[91-94]----00.0-[92-93]----00.0-[93]--+-00.0  AMD Pensando Systems DSC Management Controller [1dd8:1004]
|           |                                            \-00.1  AMD Pensando Systems DSC Serial Port Controller [1dd8:100a]
|           \-05.0-[95-98]----00.0-[96-97]----00.0-[97]--+-00.0  AMD Pensando Systems DSC Management Controller [1dd8:1004]
|                                                        \-00.1  AMD Pensando Systems DSC Serial Port Controller [1dd8:100a]