[Mageia-dev] Booting on GPT + UEFI + Secure Boot...

Tue Jan 8 18:50:56 CET 2013

* Pascal Terjan (pterjan at gmail.com) wrote:
+> On Tue, Jan 8, 2013 at 2:01 PM, Olivier Thauvin
+> <nanardon at nanardon.zarb.org> wrote:
+> > The system is installed with grub2-efi but the boot failed with all
+> > kernel I've tried: "cannot mount /proc" - "mount return error, no such
+> > file or directory".
+> >
+> > Any idea ?
+> 
+> Yes, it seems a cauldron bug :)
+
+Well I worked around the problem using by force util-linux from mga2 in
+rescue mode.
+
+So some notes here about installer, in my case legacy grub1 was not
+usuable so I used grub2 + efi.
+
+Two things are need:
+- detect the fat32 partition containing EFI/ directory if any or create
+  it, copy on it the grub2-efi boot code (done %post of grub2)
+- enabling the grub2 boot code, this step is also done in %post fo
+  grub2-efi but it doesn't work in rescue mode because 'efivars' kernel module is not load
+
+Once this is done the grub2 configuration is perfectly updated when I
+install a new kernel.
+
+I can boot windows or mageia by setting the boot order in UEFI.
+
+Regards.
+
+-- 
+
+Olivier Thauvin
+CNRS  -  LATMOS
+♖ ♘ ♗ ♕ ♔ ♗ ♘ ♖
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