- Add comprehensive fix for grub2-mkconfig composefs incompatibility
- Document the critical issue from Red Hat Bugzilla #2308594
- Provide complete patch, automated script, and Containerfile integration
- Add troubleshooting documentation with verification steps
- Update COMPATIBILITY.md with critical issue warning
- Update README.md to highlight this critical fix
This fix is ESSENTIAL for all composefs-based bootc images to boot properly.
Without this fix, grub2-mkconfig will generate incorrect configurations
and cause boot failures.
Based on:
- Red Hat Bugzilla #2308594 (reported by Colin Walters)
- ostree issue #3198
- Affects all bootc/ostree systems using composefs
