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I installed Gentoo on my new Athlon 64 box beside 4 other OSs using Fedora Core's grub. The other OSs boot fine, but not Gentoo. I spent another couple hours ...
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  1. #1
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    grub lines?


    I installed Gentoo on my new Athlon 64 box beside 4 other OSs using Fedora Core's grub. The other OSs boot fine, but not Gentoo. I spent another couple hours today installing Gentoo again after erasing it from my harddrive. It still won't boot (other OSs still do). Note that I have 2 variations for Gentoo and neither boots. Here's my menu.1st from /dev/hda2 and Gentoo is on /dev/hda12:

    default=0
    timeout=5
    splashimage=(hd0,1)/grub/splash.xpm.gz

    title Fedora Core (2.6.12-1.1447_FC4smp)
    root (hd0,1)
    kernel /vmlinuz-2.6.12-1.1447_FC4smp ro vga=790 root=LABEL=/ rhgb quiet noapic
    initrd /initrd-2.6.12-1.1447_FC4smp.img
    savedefault
    boot

    title Slamd64 Linux
    root (hd0,10)
    kernel /boot/vmlinuz root=/dev/hda11 ro vga=791 quiet splash noapic
    savedefault
    boot

    title Vector Linux
    root (hd0,9)
    kernel /boot/vmlinuz root=/dev/hda10 ro vga=773 quiet splash
    savedefault
    boot

    title Gentoo Linux
    root (hd0,11)
    kernel /boot/kernel-genkernel-x86_64-2.6.12-gentoo-r10 ro vga=791 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/hda12 splash=silent
    initrd /boot/initramfs-genkernel-x86_64-2.6.12-gentoo-r10

    title Gentoo Linux
    root (hd0,11)
    kernel /kernel-genkernel-x86_64-2.6.12-gentoo-r10 ro vga=791 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/hda12 splash=silent
    initrd /initramfs-genkernel-x86_64-2.6.12-gentoo-r10

    title WinXP
    rootnoverify (hd0,0)
    chainloader +1

    Any idea why Gentoo won't boot off an ext3 partition?

  2. #2
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    What errors do you get when you try to boot them?
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  3. #3
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    ok-I'm not sure how to save the grub errors to a file, so I'm typing this from an old pc next to my new one. Here's the error when I pick Gentoo from the grub menu:

    Booting 'Gentoo Linux'

    root (hd0,11)
    Filesystem type is ext2fs, partition type 0X83
    kernel /boot/kernel-genkernel-x86_64-2.6.12-gentoo-r10 ro vga=791 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_boot=/dev/hda12 splash=silent

    Error 15: File not found
    ************************************************** **************

    /dev/hda12 and /dev/hda2 are both ext3fs and both the kernel file and the initramfs files exist. This happens with and without specifying the /boot directory.

  4. #4
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    Here there's a troubleshooting guide, hope it helps.
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  5. #5
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    I'll have time to read through all that later today. Hopefully it's only a grub problem. Could I booth my harddrive installed version of Gentoo from a live cd or floppy? I'm using kernel 2.6.12

  6. #6
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    Grub Error 15 normally means you didn't put something in the entry correctly.

    I don't think you need the gen in the genkernel.
    I also don't think you need the intramfs in the initrd line.
    I used genkernel and here is my Gentoo entry.

    Code:
    title =Gentoo
     root (hd0,8)
        kernel /boot/kernel-2.6.11-gentoo-r6 root=/dev/hda9
        udev
        initrd /boot/initrd-2.6.11-gentoo-r6
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  7. #7
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    Got it to work....gentoo's boot is a bit different than other OSs-it
    includes options I never saw. My grub.conf (menu.1st) had to be changed a
    bit for gentoo since it wasn't on the first partition like the handbook
    example. Here it is (/boot is on hda2):


    title Gentoo Linux
    root (hd0,1)
    kernel /boot/kernel-genkernel-x86_64-2.6.12-gentoo-r10 ro vga=791 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/hda12 splash=silent
    initrd /boot/initramfs-genkernel-x86_64-2.6.12-gentoo-r10

  8. #8
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    strange

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