Kernel V5.7-rc1 doesn't boot (EFI?)

[JÃrg Otte]

Booting my notebook with kernel V57-rc1 I get following
display:

exit_boot() failed!
efi_main() failed!
StartImage failed: Buffer Too Small

Booting Kernel V5.6 works well.

>From dmesg (kernel V5.6):
efi: EFI v2.31 by Phoenix Technologies Ltd.
efi:  ACPI=0xdcffe000  ACPI 2.0=0xdcffe014  SMBIOS=0xdce80000  RNG=0xdc3cd198
efi: seeding entropy pool
efi: [Firmware Bug]: Invalid EFI memory map entries:
efi: mem47: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
|  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
efi: mem48: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
|  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
efi: mem49: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
|  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
efi: mem50: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
|  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
efi: mem51: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
|  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
efi: Removing 5 invalid memory map entries.


Thanks, JÃrg