when i try to upgrade the firmware by sysupgrade firmware.bin, there is an issue
Kernel panic - not syncing: Attempted to kill init! exitcode=0x00007f00
root@OpenWrt:/tmp# sysupgrade firmware.bin Saving config files... Commencing upgrade. Closing all shell sessions. /sbin/upgraded[ 371.248243] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00007f00 [ 371.248243] [ 371.271026] Rebooting in 3 seconds.. [04020C0C][04020D07] DDR Calibration DQS reg = 00008887
how to deal with this issue?