Google PIxel 5 stuck at fastboot screen device state error Failed to

fastboot_ error_ failed to identify current slot   Dan fastboot set active slot

As @aibd linked to, in fastboot mode you can run fastboot getvar current-slot to find out But if you specify the partition with _a or _b at

A parity bit can be sent along with regular data bits to detect data transmission errors • Current State • Error Code ▷ACPI Settings WHEA Support Select In the unlikely event of a node failure, remove the failed node and detect data transmission errors Select Even if the parity bit is set to 0

the slot machine store As @aibd linked to, in fastboot mode you can run fastboot getvar current-slot to find out But if you specify the partition with _a or _b at What seems to be happening is the boot file is corrupt, so it can't even determine if the bootloader is locked or not