grub2 EFI boot loader internal/external booting

[TGIK]

I got a version of Fedora 12 running on an EXT USB drive using Refit

[TGIK]

Has anyone been able to get Fedora 13 Live to boot from USB on a mac using Grub 2?

Thanks in advance.

I have Fedora 12 installed and booting off an ext. USB drive

Derek

sorry for double post

[smutbert]

Hello there,

I hope it is ok to start my membership in this forum with a question:

I tried many times to boot linux with grub2-efi and since Maverick it worked for the first time like a charm. Having a MacPro with a 32bit efi running Ubuntu amd64, I need either fakebios or loadbios.
But no matter what I use, loading applesmc fails (it works, if i boot with grub-pc):

FATAL: Error inserting applesmc (/lib/modules/2.6.35-22-server/kernel/drivers/hwmon/applesmc.ko): No such device

[   68.577271] applesmc: supported laptop not found!
[   68.577274] applesmc: driver init failed (ret=-19)!

Do you know any solution? None of the hints i found so far did help...


Thank you

[Ubuntious]

Machine: 2008 Mac Pro
Keyboard: Aluminum/wired/numeric keypad/US layout
Kernel: 2.6.35-22-generic x64 (maverick)
Bootloader: GRUB 1.99 Beta

I have been trying to EFI boot Ubuntu since June - without success. My goal, for
now, is to boot into an initramfs environment succesfully.

I'm booting with these grub commands:

insmod efi_uga
linux (hd1,gpt1)/ubuntu/vmlinuz-2.6.35-22-generic video=efifb noefi
initrd (hd1,gpt1)/ubuntu/initramfs-2.6.35-22-generic

If "noefi" is missing, the screen goes blank and stays blank. I suspect the kernel is
hanging (no disk noise).

After I boot into the initramfs, there is no keyboard control. That makes it hard to
diagnose the problem.

I have tried other kernels (with apple_hid compiled in). Same problem.

The keyboard is connected to the USB hub on an Apple Cinema Display, and the ACD
is connected via a USB cable to the Mac Pro. It's not practical here to make a direct
connection, but that the above setup is common with this machine.

Although the keyboard doesn't work in the initramfs, and the CAPS LOCK light won't
go on there when the key is pressed, the keyboard does work before that inside GRUB.

Any help very much appreciated, as I'm on the verge admitting defeat, which I'd
prefer not to do

Thanks.

ps This machine has 64-bit EFI and the kernel is 64-bit also.

[DanaG]

If all else fails, you can try sticking a PCI (or PCIe) Serial card in the thing, and use serial console.

On my laptop, I can't even use EFI boot nowadays... https://bugs.launchpad.net/ubuntu/+s...b2/+bug/612432

[kosumi68]

Hello there,

I hope it is ok to start my membership in this forum with a question:

I tried many times to boot linux with grub2-efi and since Maverick it worked for the first time like a charm. Having a MacPro with a 32bit efi running Ubuntu amd64, I need either fakebios or loadbios.
But no matter what I use, loading applesmc fails (it works, if i boot with grub-pc):

FATAL: Error inserting applesmc (/lib/modules/2.6.35-22-server/kernel/drivers/hwmon/applesmc.ko): No such device

[   68.577271] applesmc: supported laptop not found!
[   68.577274] applesmc: driver init failed (ret=-19)!

Do you know any solution? None of the hints i found so far did help...


Thank you

What do you get when using the latest applesmc-dkms package in ppa:mactel-support?

[Ubuntious]

Some success at last. I managed to boot into the initramfs with a working
keyboard. GRUB commands used:

insmod efi_uga
rmmod efi_gop
gfxterm=1680x1050x32
fakebios
linux (hd1,gpt1)/linux/vmlinuz-2.6.37-rc1 break=premount video=efifb noefi
initrd (hd1,gpt1)/linux/initramfs-2.6.37-rc1
boot

I think the key difference is the fakebios command. I suspect the rmmod and
gfxterm setting commands are not necessary.

Note: this is using a custom compiled kernel. The Ubuntu Maverick kernel used
before fails with a fatal error when fakebios is used.

[Ubuntious]

thought i might add: fakebios is giving me the rom is present msg, which i understand to be an error msg, but it resolves the keyboard problem nevertheless. would love to know why noefi still needed. btw: using grub 1.99 beta.

[larsribe]

Hi Ubuntious
Could you elaborate a bit on what you changed in the kernel configuration to make it work?

Best,

Lars

[Ubuntious]

Hi Ubuntious
Could you elaborate a bit on what you changed in the kernel configuration to make it work?

Best,

Lars

Everything

More seriously: I made a lot of changes to the default config.
Rather too many to list here, I think, but here's the config file:

config.zip