Public bug reported:
A patch we added in 2.12-5ubuntu10 to fix LP: #2103864 caused a
regression that breaks other hardware. There is no guarantee on arm64
that any memory under 0xffffffff is available so forcing allocations
below that address breaks affected machines.
The responsible patch is d/p/arm64-Limit-memory-allocations-to-4GB.patch
A better solution would be to try allocating in the lower 4GB and fall
back to GRUB_EFI_MAX_USABLE_ADDRESS if that doesn't work.
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: Confirmed
** Affects: grub2 (Ubuntu Plucky)
Importance: Undecided
Status: Confirmed
** Changed in: grub2 (Ubuntu)
Status: New => Confirmed
** Also affects: grub2 (Ubuntu Plucky)
Importance: Undecided
Status: Confirmed
** Changed in: grub2 (Ubuntu Plucky)
Milestone: None => ubuntu-25.04
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https://bugs.launchpad.net/bugs/2106728
Title:
grub-efi-arm64 fails with out of memory error on some hardware
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