From 1be510f9529cb082f802408b472a77d074b394c0 Mon Sep 17 00:00:00 2001 From: Nicolas Vigier Date: Sun, 14 Apr 2013 13:46:12 +0000 Subject: Add zarb MLs html archives --- zarb-ml/mageia-dev/2013-January/021853.html | 101 ++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 zarb-ml/mageia-dev/2013-January/021853.html (limited to 'zarb-ml/mageia-dev/2013-January/021853.html') diff --git a/zarb-ml/mageia-dev/2013-January/021853.html b/zarb-ml/mageia-dev/2013-January/021853.html new file mode 100644 index 000000000..2cb0f9550 --- /dev/null +++ b/zarb-ml/mageia-dev/2013-January/021853.html @@ -0,0 +1,101 @@ + + + + [Mageia-dev] Grub2 vs. Grub Legacy in M3 + + + + + + + + + +

[Mageia-dev] Grub2 vs. Grub Legacy in M3

+ Frank Griffin + ftg at roadrunner.com +
+ Sun Jan 20 14:06:19 CET 2013 +

+
+ +
On 01/20/2013 07:55 AM, Maurice Batey wrote:
+> So I suspect that he (like me) does not know how to boot a GRUB Legacy 
+> install from a GRUB2 boot menu. (Yes, I know GRUB2 boot menus do show 
+> options to boot existing GRUB Legacy installs, but in my experience 
+> (with Ubuntu and Mint) they *fail* to boot them.) Despite my requests 
+> in various newsgroups, NO ONE has offered a description of how to get 
+> a GRUB2 boot menu to successfully boot a GRUB Legacy install. Can you, 
+> please, Frank? 
+
+I've never used grub2 myself.  But the article states that if you have 
+grub2 on the MBR and define a chainloader menu.lst entry for a partition 
+that has grub on the PBR, it works.
+
+That makes sense.  Chainloading simply means that the MBR bootloader 
+reads the PBR into memory and passes control to it exactly as the BIOS 
+reads the MBR into memory and passes control to it.  Assuming that both 
+grub and grub2 support chainloading correctly, neither one of them 
+should have any idea whether it's an MBR that was loaded by the BIOS or 
+a PBR that was chainloaded by an MBR.
+
+This glosses over other sources of problems like UEFI and GPT, but it 
+has always been the case that if you want to support multiple boot 
+loaders, you have to use a lowest common denomination architecture that 
+they all support.
+
+ + + + + + + + + + + + + + + + + + + + + + + + +
+

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