All Questions
7 questions
0votes
1answer
91views
efi-stub boot fails despite correct kernel args
Complete boot log: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.GP18.SATA], AE_NOT_FOUND (20230628/dswload2-162) ACPI Error: AE_NOT_FOUND, During name lookup/catalog (20230628/psobject-...
2votes
0answers
174views
Help with Understanding MoK/Secureboot
I'm trying to understand How MoK shim64 works exactly. What I understand it as is: Securenboot has a list with Whitelisted Kernerl-hashes belonging to Windows, Ubuntu, Fedora, OpenSuse and others. ...
2votes
0answers
521views
What is a minimal kernel configuration that boots with UEFI on aarch64?
I've been playing around with some UEFI firmware I downloaded for Raspberry Pi, and I've also been trying to get the Raspberry Pi Kernel to boot with UEFI. So I simply ran make -j4 bcm2711_defconfig ...
1vote
1answer
1kviews
Unable to mount root filesystem in LFS
Lately, I've been building an LFS [Linux From Scratch] system for my Raspberry Pi Single Board Computer, and I'm currently on the very last step. I'm attempting to compile Linux 5.19.2 from the ...
0votes
1answer
259views
General Protection Fault on Reboot
I see a General Protection Fault during a reboot after running H/W failure test followed by a reboot. There are no issues with the H/W and test case, coz the same works well the previous RHEL version. ...
4votes
2answers
2kviews
Easy way initrd to chain loading another kernel with kexec
I have here a machine which won't boot 64-bit kernels (it has efi32 with a little bit of... uncommon firmware). Currently, my only way to boot my 64-bit linux system is: Booting a 32-bit distro from ...
31votes
2answers
24kviews
When do I need to specify add_efi_memmap as kernel argument in UEFI/EFI boot?
I am reading some tutorials how to EFI stub (efistub) load the Linux kernel. These instructions often use kernel boot parameter add_efi_memmap. The intended hardware is Intel x64 having 8GB of RAM. My ...