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Re: grub-efi: fails to load linux
From: |
Vladimir 'φ-coder/phcoder' Serbinenko |
Subject: |
Re: grub-efi: fails to load linux |
Date: |
Sat, 18 Dec 2010 15:56:06 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.16) Gecko/20101211 Icedove/3.0.11 |
On 11/29/2010 05:29 PM, A Mennucc wrote:
> Il 16/11/2010 10:30, Vladimir 'Æ-coder/phcoder' Serbinenko ha scritto:
> > On 11/16/2010 10:05 AM, A Mennucc wrote:
> >> I tried to follow instructions in
> http://grub.enbug.org/TestingOnMacbook
> >> (with some important changes)
> >>
> > These instructions are outdated since grub-install now supports EFI
> >> Currently the stanzas in the menu seem to load the kernel, but then the
> >> video is not properly initialized;
> > Of course not, you didn't load any video driver. You need to include
> > efi_uga or efi_gop depending on your EFI
>
>
> Ah that makes for a lot of difference! Thanks a lot!
> I can now boot my MacBook using the grub-efi!
>
> I attach the grub.cfg that does work, and a dmesg.
>
> This is what works and what does not:
> -> I got a fullscreen grub menu, with Debian-themed
> background (beautiful)
> -> I did boot OK with linux kernel 2.6.32-5-amd64
> (I attach a dmesg)
> -> network and audio were fine
> -> I started X11 with 'Driver "fbdev"' , it started OK,
> but the colors are wrong, red and blue are inverted in the desktop...
> whereas they are not inverted in youtube videos (weird fact!)
> -> I tried to start X11 with the nouveau drivers, but it crashed;
> this may be due to the fact that the OS is i386 , not amd64
> (and unfortunately I do not have time currently to reinstall it all)
> -> I tried to boot with linux kernel 2.6.32-5-686
> but the keyboard did not work (and this is a big showstopper, since
> I have a crypted /home)
>
> ------------
>
> BTW I also have added to /etc/initramfs-tools/modules
> the following modules
> fbcon
> uvesafb
> hid_apple
> hid
> applesmc
> input_polldev
You need to add uhci_hcd and ehci_hcd as well
> (the first two are indicated in
> http://grub.enbug.org/TestingOnMacbook
> the other I added to try to get keyboard support in i386 mode)
>
> But then I noted the following errors in dmesg
> [ 4.337629] uvesafb: failed to execute /sbin/v86d
> [ 4.337702] uvesafb: make sure that the v86d helper is installed and
> executable
> [ 4.337776] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2)
> [ 4.337840] uvesafb: vbe_init() failed with -22
> [ 4.337906] uvesafb: probe of uvesafb.0 failed with error -22
>
> so it seems that 'uvesafb' is not doing anything useful, you may want to
> change http://grub.enbug.org/TestingOnMacbook
>
> a.
--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko
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