<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> Morning all,</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> If this is not the appropriate group then please let me know the proper mailing list.</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> I am trying to debug an issue with the ICE PMD in DPDK v24.11.0 in a linux environment (YOCTO scarthgap, 6.6.35 kernel).</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> We are bringing up a new platform based on the Intel Atom C5315 which has the ICE driver (E822-L) and I am seeing the following error during the call to <span style="font-family: "Courier New", Arial, Helvetica, sans-serif; background-color: rgb(204, 204, 204);"> rte_eal_init()</span> -</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Consolas, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <span style="text-transform: none;">ICE_INIT: ice_dev_init(): Failed to read device serial number</span></div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> Now, we have been using the ICE PMD successfully on another platform (E810-XXV) with the AMD EPYC 9354P.</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> After some initial research via google-fu, it seems that the ICE device on the Atom processor is missing its serial number.</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr;"><span style="font-size: 16pt;">On the AMD processor, if I issue </span><span style="font-family: "Courier New", Arial, Helvetica, sans-serif; font-size: 16pt; background-color: rgb(204, 204, 204);">lspci -vs <pci-addr> | grep </span><span style="font-family: "Courier New", Arial, Helvetica, sans-serif; background-color: rgb(204, 204, 204);">“</span><span style="font-family: "Courier New", Arial, Helvetica, sans-serif; font-size: 16pt; background-color: rgb(204, 204, 204);">Serial</span><span style="font-family: "Courier New", Arial, Helvetica, sans-serif; background-color: rgb(204, 204, 204);">”</span><span style="font-size: 16pt;">, I see -</span></div> <div style="direction: ltr; font-size: 16pt;"><br> </div> <div style="direction: ltr; font-family: Consolas, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> admin@BRXXXX:~# lspci -vs 0000:46:00.0 | grep "Serial"</div> <div style="font-family: Consolas, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> Capabilities: [150] Device Serial Number 30-3e-a7-ff-ff-02-71-04</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> While on the Intel ATOM platform, I don’t -</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Consolas, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> admin@BRYYYY-2:~# lspci -vs f4:00.0 | grep -i Serial</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <span style="font-family: Consolas, Arial, Helvetica, sans-serif;">admin@BRYYYY-2:~# <br> </span><br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> But I cannot find any info on having the ICE PMD ignore the serial number. One of my HW contacts suggested that it was embedded on the ATOM, though I am a bit skeptical of that suggestion. </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> The ICE PMD documentation yields nothing and before I decide to dive into the ICE PMD internals, I thought I would ask the DPDK community first, to see if someone has already seen this issue. I don’t see any currently open bugs on this with DPDK.</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> Thanks,</div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> <br> </div> <div style="direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16pt; color: rgb(0, 0, 0);"> Patrick</div> </body> </html>