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Troubleshooting • Serial number not so unique?

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Hi,
we have a product based on RPI4B.

I just found 2 machines with same serial number.

See the output from both machines:
In one occasion we noticed that 2 different registrators had the same serial number:

Machine #1:

Code:

root@registrator-rpi4:~# sn100000006947c8c2root@registrator-rpi4:~# cat /proc/cpuinfo processor       : 0BogoMIPS        : 108.00Features        : fp asimd evtstrm crc32 cpuidCPU implementer : 0x41CPU architecture: 8CPU variant     : 0x0CPU part        : 0xd08CPU revision    : 3processor       : 1BogoMIPS        : 108.00Features        : fp asimd evtstrm crc32 cpuidCPU implementer : 0x41CPU architecture: 8CPU variant     : 0x0CPU part        : 0xd08CPU revision    : 3processor       : 2BogoMIPS        : 108.00Features        : fp asimd evtstrm crc32 cpuidCPU implementer : 0x41CPU architecture: 8CPU variant     : 0x0CPU part        : 0xd08CPU revision    : 3processor       : 3BogoMIPS        : 108.00Features        : fp asimd evtstrm crc32 cpuidCPU implementer : 0x41CPU architecture: 8CPU variant     : 0x0CPU part        : 0xd08CPU revision    : 3Revision        : b03114Serial          : 100000006947c8c2Model           : Raspberry Pi 4 Model B Rev 1.4

Machine #2:

Code:

root@registrator-rpi4:~# sn100000006947c8c2root@registrator-rpi4:~# cat /proc/cpuinfo processor: 0BogoMIPS: 108.00Features: fp asimd evtstrm crc32 cpuidCPU implementer: 0x41CPU architecture: 8CPU variant: 0x0CPU part: 0xd08CPU revision: 3processor: 1BogoMIPS: 108.00Features: fp asimd evtstrm crc32 cpuidCPU implementer: 0x41CPU architecture: 8CPU variant: 0x0CPU part: 0xd08CPU revision: 3processor: 2BogoMIPS: 108.00Features: fp asimd evtstrm crc32 cpuidCPU implementer: 0x41CPU architecture: 8CPU variant: 0x0CPU part: 0xd08CPU revision: 3processor: 3BogoMIPS: 108.00Features: fp asimd evtstrm crc32 cpuidCPU implementer: 0x41CPU architecture: 8CPU variant: 0x0CPU part: 0xd08CPU revision: 3Hardware: BCM2835Revision: a03115Serial: 100000006947c8c2Model: Raspberry Pi 4 Model B Rev 1.5
How can this happen? Isn't the serial number unique?

Thanks,
BR,
Primoz

Statistics: Posted by wooosaiiii — Tue Nov 12, 2024 1:34 pm



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