This article describes the issue of the L2 cache 512KB: enabled *** Warning - bad CRC, using default environment error message being generated during the boot process.
At times, during the device boot process, the following message is generated in the boot logs :
L2 cache 512KB: enabled *** Warning - bad CRC, using default environment
This message is due to the flash sector or ERPROM, which contains the environment variables, not being initialized.
This is not an issue or a bug, nor does it indicate an erroneous state. This message can be safely ignored.