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chubbypiper
n00b
Joined: 27 Jun 2018
Posts: 33
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 Posted: Sun Apr 21, 2024 3:00 am Post subject: grub "chain loading" Arch not finding symbol |
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I'm sorry if this is not the correct place for this, but it came up as I was finishing an install, so I figured this is as good a place as any.
I just installed Gentoo on my desktop, with the intent of dual booting with the existing Arch install as I work to transition from Arch to Gentoo. When I installed grub, I put this in /etc/grub.d/40-custom:
| Code: |
#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
menuentry 'Arch Linux' --class gnu-linux --class gnu {
search --no-floppy --fs-uuid --set=root CF40-3821
set prefix=($root)/grub
configfile /grub/grub.cfg
}
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When I boot and select the "Arch Linux" menu entry, it does load the config file correctly, but when I select an item, it says:
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Loading Linux linux-lts ...
error: symbol `efi_wrap_4' not found.
Loading initial ramdisk ...
error: symbol `efi_wrap_4' not found.
Press any key to continue...
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When I press any key, it takes me back to the grub menu
Doing some searching, it seems like the suggested fix is to reinstall grub. I'm assuming this ultimately is a version mis-match of grub. The Arch package that's currently installed is grub-2:2.12-1-x86_64, and I'm on 2.12-r4. So, does anyone know how I am going to match up the release versions, and/or if it's easier, to actually chain load the two grub installs?
Last edited by chubbypiper on Mon Apr 22, 2024 2:07 am; edited 1 time in total |
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sMueggli
Guru
Joined: 03 Sep 2022
Posts: 496
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| Posted: Sun Apr 21, 2024 12:48 pm Post subject: |
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Why not chainloading the Arch Linux Grub?
You can put in your 40_custom:
| Code: | #!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
menuentry "Arch Linux Chainload" {
insmod part_gpt
insmod fat
insmod chain
search --no-floppy --fs-uuid --set=root CF40-3821
chainloader /EFI/arch/grubx64.efi # set the correct path to Arch Linux Grub binary from the ESP root
} |
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chubbypiper
n00b
Joined: 27 Jun 2018
Posts: 33
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| Posted: Mon Apr 22, 2024 1:58 am Post subject: |
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| I had been trying to find information on how to do chain loading to another grub instance, but my google-fu was apparently lacking because I couldn't find information on it, just lots saying what I ended up doing (loading the GRUB config file). Thanks for the info. I'll give it a shot. |
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chubbypiper
n00b
Joined: 27 Jun 2018
Posts: 33
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| Posted: Mon Apr 22, 2024 2:07 am Post subject: |
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| All good now. Thanks! |
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Installing Gentoo
