Multiple jetson nx (core boards on the development kit) cannot be started. The serial port loop printing information is shown below. What is the reason and how to solve it?
0000000000011111111110111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
??
[0000.024] W> RATCHET: MB1 binary ratchet value 4 is too large than ratchet level 2 from HW fuses.
[0000.033] I> MB1 (prd-version: 1.5.1.3-t194-41334769-d2a21c57)
[0000.038] I> Boot-mode: Coldboot
[0000.041] I> Chip revision : A02P
[0000.044] I> Bootrom patch version : 15 (correctly patched)
[0000.049] I> ATE fuse revision : 0x200
[0000.053] I> Ram repair fuse : 0x0
[0000.056] I> Ram Code : 0x0
[0000.058] I> rst_source : 0xb
[0000.061] I> rst_level : 0x1
[0000.065] I> Boot-device: QSPI
[0000.067] I> Qspi flash params source = brbct
[0000.071] I> Qspi using bpmp-dma
[0000.074] I> Qspi clock source : pllp
[0000.078] I> QSPI Flash Size = 32 MB
[0000.081] I> Qspi initialized successfully
[0000.085] E> LOADER: Failed to verify SMD.
[0000.089] I> Primary SMD copy is invalid, try with secondary copy…
[0000.095] E> LOADER: Failed to verify SMD.
[0000.099] E> LOADER: Failed to verify SMD & SMD_b.
[0000.103] E> Error: SMD: Load failed
[0000.107] E> Load SMD failed
[0000.109] E> LOADER: Failed to get slot for boot chain from SMD.
[0000.115] E> LOADER: Failed to get storage info for binary 0 from loader.
[0000.121] E> LOADER: Failed to get info for binary 0 from loader.
[0000.127] C> LOADER: Could not read binary 0.
[0000.131] C> Fail to load mb1-bct bin
[0000.134] E> Task 24 failed (err: 0x1d1d1318)
[0000.138] E> Top caller module: LOADER, error module: LOADER, reason: 0x18, aux_info: 0x13
[0000.146] I> MB1(1.5.1.3-t194-41334769-d2a21c57) BIT boot status dump :
0000000000011111111110111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000