Thanks for the information. I will see whether I can get a newer version of kernel working, and investigate whether gummiboot or rEFInd will be fit for my application.
Thanks, Betty From: [email protected] [mailto:[email protected]] On Behalf Of Chris Murphy Sent: Thursday, January 10, 2013 1:04 PM To: [email protected] Subject: Re: How to build grub.efi out of Grub Legacy code? On Jan 10, 2013, at 10:21 AM, "Zhan, Beilei" <[email protected]<mailto:[email protected]>> wrote: Thanks for your reply. I would use 2.0 if it provides stable EFI boot. Unfortunately it doesn't work well with the kernel I am using. Is there any requirement for the kernel (like version or certain patch) to boot with Grub2 EFI? Thanks, Betty The kernel has several CONFIG_EFI_ options, and at least CONFIG_EFI and CONFIG_EFI_PARTITION would need to be enabled. You may find it easier with more recent kernels, I think 3.2 or newer, to use CONFIG_EFI_STUB, and a boot manager like gummiboot or rEFInd. Both of those boot managers are capable of using the linux kernel's own built-in EFI boot loader to boot itself. Obviously it depends on your application. But consider GRUB Legacy is not maintained, I don't think GRUB legacy is a good choice. There are some Red Hat unique patches on top of GRUB2 2.00 related to EFI that they are using in Fedora 18. There unique commands linuxefi and initrdefi are used to load the kernel and initrd on UEFI computers. I'm not sure what those are doing that upstream GRUB linux and initrd commands are not. Chris Murphy Notice: This e-mail and any files transmitted with it may contain Data Device Corporation's privileged and proprietary information. It is intended solely for the use of the individual or entity to whom it is addressed. If you are not the named recipient of this transmission, any disclosure, copying, distribution or reliance on the contents of this message is prohibited. If you received this e-mail in error, please destroy it and any attached files and notify me immediately.
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