On Tue, Jan 05, 2010 at 05:15:02PM +0000, Daire Byrne wrote: > Hi, > > It looks like recent kernels (namely 2.6.31 and 2.6.32) can't find the > initrd when booting from grub (efi) on a macbook pro 5,4 giving the > error: > > RAMDISK: Couldn't find valid RAM disk image starting at 0. > > The 2.6.30 kernel does not seem to suffer from this so something must > have changed in 2.6.31+. I also tested all three kernels on a MBP4,1 > and they all boot fine from grub - they find and load the initrd. In all > cases the grub.cfg and initrd remained the same and only the kernel > was changed. This could be a kernel issue but the fact that they all > boot on a MBP4,1 makes me think it is a EFI1.1 vs EFI 2.0 thing. > > As an aside I can get the nvidia module working with MBP5,4+2.6.30 but > a MBP4,1+2.6.30 can't find the vbios. Is this a known thing and is > there a possible fix for it?
Perhaps you could run a regression test (aka bisect) on Linux source? This would help us figure out the problem (whether it's a bug in Linux, in GRUB or in your firmware). -- Robert Millan "Be the change you want to see in the world" -- Gandhi _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel