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<H1>[Mageia-dev] Grub2 vs. Grub Legacy in M3</H1>
<B>Barry Jackson</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Grub2%20vs.%20Grub%20Legacy%20in%20M3&In-Reply-To=%3C510CE5A9.6080407%40zen.co.uk%3E"
TITLE="[Mageia-dev] Grub2 vs. Grub Legacy in M3">zen25000 at zen.co.uk
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<I>Sat Feb 2 11:08:41 CET 2013</I>
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<PRE>On 02/02/13 05:48, Felix Miata wrote:
><i> Good start:
</I>><i> 1-/boot/grub2/i386-pc/core.img in a Grub Legacy stanza succeeds
</I>><i>
</I>><i> Not good from then on:
</I>><i> 1-Grub2 error message due to not finding some png file
</I>
You removed the png by using --no-suggests
><i> 2-25 item Grub 2.00 menu (grub.cfg:
</I>><i> <A HREF="http://fm.no-ip.com/Tmp/Linux/Mdv/grub.cfg.gx27b-cauldron3-1.txt">http://fm.no-ip.com/Tmp/Linux/Mdv/grub.cfg.gx27b-cauldron3-1.txt</A> ).
</I>><i> After selecting a selection from a master bootloader, there's no good
</I>><i> reason to see similar selections as in the previous menu unrelated to
</I>><i> the chosen selection. IOW, when not a master bootloader (i.e.
</I>><i> "chainloaded" via core.img, only Mageia entries attributable to selected
</I>><i> filesystem hosting core.img should be in this menu.
</I>><i>
</I>
If that is what you want then:-
# urpme os-prober
><i> 3-Grub2 menu uses same awful spindly-looking font responsible in large
</I>><i> part for my distaste for *buntu
</I>
Yes could be a lot better, but it's mainly a choice based on licensing,
probably will be improved in the future.
><i> 4-default menu selection for Cauldron causes this cmdline:
</I>><i>
</I>><i> BOOT_IMAGE=/boot/vmlinuz-prv
</I>><i> root=UUID=bbe8a402-5fb1-4247-b372-5bb6cff4e18c ro splash
</I>><i>
</I>><i> which is nothing like the default Grub Legacy menu stanza's cmdline result:
</I>><i>
</I>><i> root=LABEL=22cauldrn splash=verbose noresume video=1152x864 vga=794 3
</I>><i>
</I>><i> obviously caused by Grub2 installation disregarding content of
</I>><i> pre-existing menu.lst ....
</I>
grub2 does not pay any attention to legacy menu.lst - it's a totally
different, unrelated bootloader.
If you want grub2 to use an existing legacy menu.lst then you can use
grub2-menulst2cfg tool to create a grub.cfg from menu.lst.
Usage: grub2-menulst2cfg [INFILE [OUTFILE]]
><i>
</I>><i> 5-semi-legible blue on black graphical progress bar instead of normal
</I>><i> complement of startup messages when splash=verbose
</I>
The font colours were chosen to complement the background image which
you chose not to install.
><i>
</I>><i> 6-post ESC, startup messages are inappropriately tiny
</I>><i>
</I>Sounds like the same issue I used to have when I was using nvidia
graphics with nouveau.
Using intel I don't see this.
><i> 7-tty text is too tiny to use (same as startup messages; screen's
</I>><i> preferred mode 1600x1200 used instead of legible mode 1152x864)
</I>><i>
</I>Probably configurable in /etc/defaults/grub but off hand I don't know
the variable name - should be in the maunual somewhere.
><i> 8-KDM is on tty2, the location I reserve for certain class of recurring
</I>><i> activities, instead of where expected on tty7
</I>><i>
</I>Dunno - I have never seen this.
><i> 9-preferred initial runlevel as evidenced by menu.lst cmdline options
</I>><i> was not specified
</I>
Again menu.lst is nothing to do with grub2
><i>
</I>><i> 10-tty1 cleared before displaying login prompt (even after customizing
</I>><i> /etc/systemd/sytem/getty.target.wants/<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">getty at tty1.service</A> with
</I>><i> s/TTYVTDisallocate=yes/TTYVTDisallocate=no/; same problem on Rawhide &
</I>><i> Factory; OT)
</I>><i>
</I>><i> Such displeasures as 1-9 are the reason why in Grub Legacy vs. Grub2
</I>><i> discussions I point out that Grub2 is still v1.0 software. Just how much
</I>><i> of these observations are due to upstream decisions or yet-to-dos rather
</I>><i> than distro implementation decisions, implementor inexperience or bugs I
</I>><i> won't try to guess.
</I>><i> --
</I>><i> "The wise are known for their understanding, and pleasant
</I>><i> words are persuasive." Proverbs 16:21 (New Living Translation)
</I>><i>
</I>><i> Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!
</I>><i>
</I>><i> Felix Miata *** <A HREF="http://fm.no-ip.com/">http://fm.no-ip.com/</A>
</I>><i>
</I>
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