How to force EDL mode - stuck in Fastboot

Google PIxel 5 stuck at fastboot screen device state error Failed to fastboot_ error_ failed to identify current slot I have total 3 slots but only using 1 SSD of 256 gb and 1 HDD of 1 TB , the slot which I'm not using can accommodate another SSD I guess fastboot change slot If you read the source code, it is way BSP designed to get into download fastboot mode It is designed by BSP, if it could not read the correct

fastboot get active slot The kernel parses parameters from the kernel command line up to “–”; if it doesn't recognize a parameter and it doesn't contain a ' ', the parameter gets passed