> On 10-Jan-2022, at 11:15 PM, Ard Biesheuvel <ardb@xxxxxxxxxx> wrote: > > On Mon, 10 Jan 2022 at 17:37, Ard Biesheuvel <ardb@xxxxxxxxxx> wrote: >> >> On Mon, 10 Jan 2022 at 17:28, Aditya Garg <gargaditya08@xxxxxxxx> wrote: > ... >>>>> >>>>> This seems to be triggered by EFI_QUERY_VARIABLE_INFO here >>>>> >>>> >>>> This is interesting. QueryVariableInfo() was introduced in EFI 2.00, >>>> and for a very long time, Intel MACs would claim to implement EFI 1.10 >>>> only. This means Linux would never attempt to use QueryVariableInfo() >>>> on such platforms. >>>> >>>> Can you please check your boot log which revision it claims to implement now? >>>> >>>> Mine says >>>> >>>> efi: EFI v1.10 by Apple >>> >>> Mine says >>> >>> efi: EFI v2.40 by Apple >>> > > Can you check whether things work as before after applying the change below? Patch works for me Ard :) I am able to boot without efi=norumtime now. > > diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c > index 147c30a81f15..d7203355cc69 100644 > --- a/arch/x86/platform/efi/efi.c > +++ b/arch/x86/platform/efi/efi.c > @@ -399,7 +399,7 @@ static int __init efi_systab_init(unsigned long phys) > efi_nr_tables = systab32->nr_tables; > } > > - efi.runtime_version = hdr->revision; > + efi.runtime_version = EFI_1_10_SYSTEM_TABLE_REVISION; > > efi_systab_report_header(hdr, efi_fw_vendor); > early_memunmap(p, size);