Package: linux-image-2.6.37-2-amd64 I got grub-efi-amd64 working on a very modern macbook. When i tried to use it to boot linux (using both the squeeze kernel (linux-image-2.6.32-5-amd64) and the unstable kernel, booting the kernel with no parameters resulted in a hung machine with no output on the video console at all. If i supplied the "noefi" kernel parameter, the machine would boot, and the console messages would come up, but there would be no keyboard, and i'd get error messages from ehci_hcd and ohci_hcd suggesting that i try setting pci=biosirq. If i set both noefi and pci=biosirq, i continue getting the same errors. (sorry i don't have the exact transcript of the error messages -- i no longer have the machine to copy them down). I believe modern macbook kbds are connected via USB, so the module failures would explain why the kbd was unresponsive. Ultimately, i gave up on booting through EFI and booted with emulated BIOS mode. The machine works OK under emulated bios, but it would be nice to avoid the extra layer of cruft if possible. I found a gentoo discussion of what it took to get the kernel running cleanly under plain EFI on a comparable machine: https://forums.gentoo.org/viewtopic-t-860544.html But the reference link (which was actually full of detailed info on saturday) is now showing an IIS7 welcome graphic :/ http://www.tomjepp.co.uk/?page=gentoo_mbp62 They pointed in particular to this patch for running EFI in physical mode: https://patchwork.kernel.org/patch/119823/ Sorry i don't have more details at the moment. I can gather more details about the machine from its owner if that would be useful. --dkg
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