Once the fresh image developed with the Yocto project was installed, the Beaglebone Black will not boot from the SD card.

Confirmed yocto build of beaglebone-yocto does not boot, hangs at “Starting kernel …”
not sure why it’s hanging.

yocto build of beaglebone-yocto
yocto version: kirkstone

extlinux.conf contains:

default Yocto
label Yocto
   kernel /zImage
   fdtdir /
append root=PARTUUID=92e09156-02 rootwait console=ttyS0,115200

U-Boot SPL 2022.01 (Jan 10 2022 - 18:46:34 +0000)
Trying to boot from MMC1

U-Boot 2022.01 (Jan 10 2022 - 18:46:34 +0000)

CPU : AM335X-GP rev 2.1
Model: TI AM335x BeagleBone Black
DRAM: 512 MiB
WDT: Started wdt@44e35000 with servicing (60s timeout)
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
Loading Environment from FAT… Unable to read “uboot.env” from mmc0:1… <ethaC
Net: eth2: ethernet@4a100000, eth3: usb_ether
Hit any key to stop autoboot: 0
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1…
Found /extlinux/extlinux.conf
Retrieving file: /extlinux/extlinux.conf
1: Yocto
Retrieving file: /zImage
append: root=PARTUUID=92e09156-02 rootwait console=ttyS0,115200
Retrieving file: /am335x-boneblack.dtb
Kernel image @ 0x82000000 [ 0x000000 - 0x77b718 ]

Flattened Device Tree blob at 88000000

Booting using the fdt blob at 0x88000000
Loading Device Tree to 8ffec000, end 8ffff64e … OK

Starting kernel …