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Thread: grub2 EFI boot loader internal/external booting

  1. #151
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    Re: grub2 EFI boot loader internal/external booting

    This version of grub.efi changes base address to 0x3000, please check if it solves the 4G memory issue.
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  2. #152
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    Re: grub2 EFI boot loader internal/external booting

    Quote Originally Posted by bean123 View Post
    This version of grub.efi changes base address to 0x3000, please check if it solves the 4G memory issue.
    Nope.

    Imac8,1 with 4GB RAM now.

    Code:
    rEFIt - Booting OS
    Starting grub.efi
    -
    Then it hangs there, as before.

    It seems odd that the rEFIt EFI shell shows the EFI Header at BFE9EF18 (full table attached) for 4GB RAM (i.e. 1GB below top), but around 7F000000 - at the top, for 2GB. That is for both Imac and MBP.
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    Last edited by pxwpxw; February 14th, 2009 at 01:08 PM.

  3. #153
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    Re: grub2 EFI boot loader internal/external booting

    please try these two efis in 4g memory machine.
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  4. #154
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    Re: grub2 EFI boot loader internal/external booting

    Quote Originally Posted by bean123 View Post
    please try these two efis in 4g memory machine.
    Using refit EFI shell

    Imac81 4GB RAM

    fs2:\> \EFI\test\test1.efi
    hello

    fs2:\>
    fs2:\> \EFI\test\test2.efi
    -
    (hangs there).

    Also checked on MBP41 2GB RAM, both say hello.
    Last edited by pxwpxw; February 16th, 2009 at 03:10 AM. Reason: typo

  5. #155
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    Re: grub2 EFI boot loader internal/external booting

    Quote Originally Posted by pxwpxw View Post
    Using refit EFI shell

    Imac81 4GB RAM

    fs2:\> \EFI\test\test1.efi
    hello

    fs2:\>
    fs2:\> \EFI\test\test12.efi
    -
    (hangs there).

    Also checked on MBP41 2GB RAM, both say hello.
    please try this one.
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  6. #156
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    Re: grub2 EFI boot loader internal/external booting

    Quote Originally Posted by bean123 View Post
    please try this one.
    Code:
    EFI Shell
    
    fs2:\> \EFI\test\test3.efi
    hello
    
    fs2:\>

  7. #157
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    Re: grub2 EFI boot loader internal/external booting

    Quote Originally Posted by pxwpxw View Post
    Code:
    EFI Shell
    
    fs2:\> \EFI\test\test3.efi
    hello
    
    fs2:\>
    Please try this one.
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  8. #158
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    Re: grub2 EFI boot loader internal/external booting

    Quote Originally Posted by bean123 View Post
    Please try this one.
    Imac8,1 4GB - YES,
    Welcome to GRUB!, grub rescue> exits normally. See pic.
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  9. #159
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    Re: grub2 EFI boot loader internal/external booting

    Quote Originally Posted by pxwpxw View Post
    Imac8,1 4GB - YES,
    Welcome to GRUB!, grub rescue> exits normally. See pic.
    Thanks a lot for your testing, this is a full version that contains most useful commands.
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  10. #160
    pxwpxw's Avatar
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    Re: grub2 EFI boot loader internal/external booting

    Quote Originally Posted by bean123 View Post
    Thanks a lot for your testing, this is a full version that contains most useful commands.
    Will try that now, many thanks for all that, will there be a patch for the MacOSX chainloader and this 4GB RAM fix?

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