uboot-spl stop after power on.

[nzin...@gmail.com]

i used am335x series BBB.

When the normal boot is in progress, the console is displayed as shown below.

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U-Boot SPL 2013.04-dirty (Jul 10 2013 - 14:02:53)
Could not probe the EEPROM; something fundamentally wrong on the I2C bus.
Could not get board ID.
Unknown board, assuming Beaglebone LT/Black.musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Peripheral mode controller at 47401000 using PIO, IRQ 0
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Host mode controller at 47401800 using PIO, IRQ 0
OMAP SD/MMC: 0
reading u-boot.img
reading u-boot.img

U-Boot 2018.01-rc2-ge6fd2c0-dirty (Mar 04 2018 - 20:47:20 +0900)

CPU  : AM335X-GP rev 2.1
I2C:   ready
DRAM:  512 MiB
Could not probe the EEPROM; something fundamentally wrong on the I2C bus.
EEPROM Content Invalid.
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
reading uboot.env
Net:   Could not get PHY for cpsw: addr 1
cpsw
Hit any key to stop autoboot:  0
switch to partitions #0, OK
mmc0 is current device
SD/MMC-Card detected on device 0
7176768 bytes read in 711 ms (9.6 MiB/s)
Bootable SD/MMC-Card inserted, booting from it!
Booting Linux from SD ...
52202 bytes read in 55 ms (926.8 KiB/s)
device tree detected

....

....

....

....

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One day, suddenly it stops like this:

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U-Boot SPL 2013.04-dirty (Jul 10 2013 - 14:02:53)
Could not probe the EEPROM; something fundamentally wrong on the I2C bus.
Could not get board ID.
Unknown board, assuming Beaglebone LT/Black.

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uboot is present on the SD card.

Please let me know if the problem is caused by any reason.