On enabling EFI runtime services on Macs with the T2 security chip, kernel fails to boot due panics in the T2 security chip. Using efi=noruntine (or noefi) as a kernel parameter seems to fix the issue. Also, making NVRAM read-only makes kernels boot. A fix for that would be appreciated. Link :- https://bugzilla.kernel.org/show_bug.cgi?id=215277
