Hi, I have different serial numbers in system and on board. I saw similar topic , but the latest software still has this problem. Every utility has the same s/n: $ sudo lshw | grep serial serial: 1422019082094 ... $ cat /proc/device-tree/serial-number 1422019082094 $ sudo i2cdump -f -y 2 0x…

hi all, we’re having software approaches to read CVB (p3449) and CVM (p3448) S/N, since there’s no approaches to check devkit (p3450) serial number since that did not saved in EEPROM. suggest you might have combination of CVB and CVM to name a board. thanks

hello a1ezh, had you tired to include no-tnid-sn; into Nano device tree for confirmation? please also refer to Topic 77503 for details. thanks

Hello, @JerryChang Thank you for response. I’ve downloaded the latest sources and they already include no-tnid-sn; line. Do I still need to build a kernel without changes and flash Jetson? Doesn’t the last image contain these changes?

Anyway I decided to build kernel and flash Jetson. I checked hardware/nvidia/platform/t210/porg/kernel-dts/tegra210-porg-p3448-common.dtsi and it already had no-tnid-sn; line. So I simply built the kernel and replaced image and dtb directory at <release_package> directory. Ran apply_binaries.sh and…

I’m not sure of this, but there is a chance that apply_binaries.sh will overwrite your device tree. Try running apply_binaries.sh prior to adding your content.

hello a1ezh, there are two possible serial numbers on a Nano devkit, one for the Nano module and the other for the baseboard. you should enable i2cdump to dump these serial numbers for confirmation, for example, # Module (p3448) $ sudo i2cdump -f -y 2 0x50 serial number: 1422919085224 # Baseboa…

@JerryChang Ok, there are: 1422019082094 1422019110311 But still they don’t match 1422019103203 sudo i2cdump -f -y 2 0x50 No size specified (using byte-data access) 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 01 00 fc 00 78 0d 00 00 02 46 00 00 00 00 00 00 ?.…

hello a1ezh, that serial number from the sticker is the S/N number of Jetson Nano Developer Kit (p3450), you may also refer to Jetson part numbers for the details.

Ok, now I understood. There are 3 different serial: module, board and kit. Is there a way to get the serial number of kit (from the sticker) in Ubuntu? We use device serial numbers to register them in our cloud system. User can see only the sticker on the board.

Thank you for response. I’ve just tried to run apply_binaries.sh prior to replacing image and dtb directory. But I have the same results. Serial numbers stays the same.

Please tell me who else can I contact with this problem? Is there any bug tracker?

Serial number mismatch

Robotics & Edge Computing Jetson Systems Jetson Nano

kayccc September 24, 2020, 12:47am 20

Hi John,

Please help to open a new topic for your issue. Thanks

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Serial number mismatch

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