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DaggyStyle
Watchman
Joined: 22 Mar 2006
Posts: 5945
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 Posted: Sun Apr 13, 2025 3:09 pm Post subject: booting custom kernel and initrd in qemu unde efi [aolved] |
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Greetings,
I'm trying to test a new initramfs I'm working on for a system I have, I don't want to test on a live system to I'm trying to get qemu to work.
I've created a dummy fs to boot after, grabbed a kernel and skeleton initramfs, I ran this cmd: qemu-system-x86_64 -bios /usr/share/edk2/OvmfX64/OVMF_CODE.fd -kernel vmlinuz-linux-6.14.2-gentoo -nographic -append "console=ttyS0" -initrd initramfs -drive format=raw,file=guest.img.raw
and I get efi shell, what am I doing wrong?
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Only two things are infinite, the universe and human stupidity and I'm not sure about the former - Albert Einstein
Last edited by DaggyStyle on Sun Apr 13, 2025 5:29 pm; edited 1 time in total |
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DaggyStyle
Watchman
Joined: 22 Mar 2006
Posts: 5945
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| Posted: Sun Apr 13, 2025 3:13 pm Post subject: |
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after examining the serial log, I see these errors:
| Quote: | EFI stub: ERROR: Failed to decompress kernel
EFI stub: ERROR: efi_stub_entry() failed!
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Only two things are infinite, the universe and human stupidity and I'm not sure about the former - Albert Einstein |
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pingtoo
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Joined: 10 Sep 2021
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Location: Richmond Hill, Canada
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| Posted: Sun Apr 13, 2025 3:20 pm Post subject: |
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Do you even need UEFI for initramfs test? if not just take out "-bios /usr/share/edk2/OvmfX64/OVMF_CODE.fd" from your qemu command.
UEFI is a pre-boot management services (or specification if you insist) and your qemu command already specific kernel file location, so there is no need to invoke UEFI. |
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DaggyStyle
Watchman
Joined: 22 Mar 2006
Posts: 5945
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| Posted: Sun Apr 13, 2025 5:29 pm Post subject: |
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| pingtoo wrote: | Do you even need UEFI for initramfs test? if not just take out "-bios /usr/share/edk2/OvmfX64/OVMF_CODE.fd" from your qemu command.
UEFI is a pre-boot management services (or specification if you insist) and your qemu command already specific kernel file location, so there is no need to invoke UEFI. |
(facepalm) you are correct, I'm missing to much sleep hours.
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Only two things are infinite, the universe and human stupidity and I'm not sure about the former - Albert Einstein |
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