Can't install Grub

Hello, this week I've install Windows 11 and windows installer rewrited my mbr, so now my pc boot to windows automatically. Later I install another garuda linux to part of my drive, but grub don't see old linux system.
I am sure that's first linux partition ok because I saw and read it from windows.

If you want to reinstall the grub on the old Garuda, I think you could login into the new, chroot into the old Garuda partition and reinstall the grub.

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I've already tried installing grub from chroot but he said

grub-install: warning: your core.img is unusually large. It won't fit in the embedding area.
grub-install: error: filesystem 'Btrfs' doesn't support blocklists.

Can we get some more information so we don't provide bad advice.

Can you share two things?

  • The output of sudo parted -l
  • The exact command you are trying to use to install grub
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