Xavier flashing hangs at tegrarcm_v2 –isapplet with JetPack_5.0_DP

I tried the suggestion from this thread and only commented out the eeprom section of tegra194-mb1-bct-misc-flash.cfg, left other cfg files unchanged. Flash completes, but boot fails with different errors:

....
[0068.289] I> Writing VER partition.
[0068.292] I> Writing device 1: 3.
[0068.296] I> Writing APP partition.
] I> Writing mts-proper_b partition.
[0635.019] I> Writing cpu-bootloader_b partition.
[0635.193] I> Writing secure-os_b partition.
[0635.224] I> Writing eks_b partition.
[0635.228] I> Writing bpmp-fw_b partition.
[0635.279] I> Writing bpmp-fw-dtb_b partition.
[0635.329] I> Writing xusb-fw_b partition.
[0635.337] I> Writinriting sc7_b partition.
[0635.391] I> Writing kernel_b partition.
[0637.465] I> Writing kernel-dtb_b partition.
[0639.827] I> Writing recovery-dtb partition.
[0639.848] I> Writing esp partition.
0] I> rst_source: 0xb, rst_level: 0x1
[0000.095] I> Boot-device: SDMMC (instance: 3)
[0[0000.161] W> Skipping boost for clk: CAN2
[0000.165] I> Boot-d94] W>  MEMIO rail config not found in BCT
[0000.212] I> sdmmc bdev is already initialized
[0000.256] W>  Platform config not found in BCT
[0000.290] I> MB1 done

����main enter
SPE VERSION #: R01.00.18 Created: Jan 29 2021 @ 14:18:27
HW Function test
Start Scheduler.
in late init
��
  [0000.299] I> Welcome to MB2(TBoolue data = 70020000, size = 0.
[0000.307] W> device prod regist0000.320] I> sdmmc-3 params source = boot args
[0000.323] I> sdns in SDMMC_BOOT (instance 3)
[0000.338] I> Found 41 partitions _a
[0000.348] I> Active Boot chain : 0
[0000.375] I> Relocati[0000.402] E> I2C: slave not found in slaves.
[0000.403] E> I2C: Could not write 0 bytes to slave: 0x00ae with repeat start true.
[0000.404] E> I2C_DEV: Failed to send register address 0x000ize 1 from slave 0xae at 0x00000000 via instance 0.
[0000.405]  to read CVB eeprom data @ AE
[0000.414] I> Retrying CVB eepromnd in slaves.
[0000.423] E> I2C: Could not write 0 bytes to slave: 0x00ac with repeat start true.
[0000.430] E> I2C_DEV: Faileould not read 256 registers of size 1 from slave 0xac at 0x00000ave device
[0000.450] I> Failed to read CVB eeprom data @ AC