got the following messages (grub 2.04-1ubuntu5, AMD64 arch, ubuntu 19.10):
loader/efi/chainloader.c:1057: linuxefi_secure_validate: 1
loader/efi/chainloader.c:262: No shimlock protocol loader/efi/chainloader.c:537: Secure boot is not enabled
alloc magic is broken at 0x7bf9b340: 0
Aborted. Press any key to exit.
Press any key - returns to grub menu. But once I pressed <return> and it successfully booted win 10! At other times there was no 'alloc magic' error and no pause to press any key: just returned to boot menu instantly.
Tried with
set debug=chain
got the following messages (grub 2.04-1ubuntu5, AMD64 arch, ubuntu 19.10):
loader/ efi/chainloader .c:1057: linuxefi_ secure_ validate: 1 efi/chainloader .c:262: No shimlock protocol loader/ efi/chainloader .c:537: Secure boot is not enabled
loader/
alloc magic is broken at 0x7bf9b340: 0
Aborted. Press any key to exit.
Press any key - returns to grub menu. But once I pressed <return> and it successfully booted win 10! At other times there was no 'alloc magic' error and no pause to press any key: just returned to boot menu instantly.