Differences between revisions 18 and 19
⇤ ← Revision 18 as of 2007-08-31 10:19:07 →
Size: 2311
Editor: ?RobertMillan
Comment: it's VGA, not BIOS
← Revision 19 as of 2007-09-05 17:59:54 → ⇥
Size: 2209
Editor: ?RobertMillan
Comment: workarounds for buggy bioses, done!
Deletions are marked like this. Additions are marked like this.
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 * workarounds for buggy bioses (http://lists.gnu.org/archive/html/grub-devel/2007-05/msg00050.html)

This page is about migrating GRUB Legacy to GRUB 2.

Initial proposal sent by Otavio: http://lists.debian.org/debian-release/2007/04/msg00328.html

Improvements we already have

This list skips the obvious about cleaner design, etc etc. Only tangible improvements here.

  • update-grub rewrite. Modular design, extensibility, etc. Will now be part of the upstream package.
  • UTF-8 in menu: Needs unifont-bin (currently in queue/NEW), and latest update-grub upstream patch.
  • grub.cfg is scriptable.
  • 64-bit detection on x86 ("cpuid" command): needed for multi-arch DVDs.
  • GPT (also for non-EFI systems).
  • Integrated win32 boot (grub4dos-like) functionality (see grubutil-win32 and win32-loader packages).

Improvements that still need some work

  • EFI: Mandatory for Intel-Mac. Probably others during lenny life period.
  • LinuxBIOS: Being merged in upstream.
  • pATA driver: Will probably be merged upstream as part of LinuxBIOS patchset.
  • gettext: Not implemented, should be trivial though.
  • LVM / software RAID: Investigate how complete/usable it is.

  • powerpc: New port. No support yet for loading Mac OS X, so not yet usable to multiboot ?PowerMacs and ?PowerBooks.

Regressions

  • splash screen: The abstraction layer for using VGA/VBE/whatever is there. There's also a bitmap loader (PNG support being worked on). We just need to figure out how to enable it (maybe the user interface is missing).
  • ReiserFS not implemented: being worked on? ask Subdino @ #grub about it
  • XFS is implemented, but doesn't work too well: much like GRUB Legacy. Not really a regression in fact ;-).
  • CDROM support. Not really important since Debian isn't using GRUB for CD boot atm, but it might be an interesting option for lenny. Upstream has an ongoing SoC project about it.
  • grub-reboot
  • "hiddenmenu" option
  • Weird hardware RAID paths (e.g. /dev/fubar/bazXsY). Check for regressions there (see [grub]/lib/device.c)
  • "color cyan/blue white/blue". We really CAN'T LIVE without it. The idea would be to use it with gfxterm (although VGA console doesn't hurt).
  • lock / password mechanism.
  • memtest86{,+} fails to boot.