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Thread: boot (X) problem on mac g3

  1. #11
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    Re: boot (X) problem on mac g3

    The toughest part with Hardy (or any of the newer Linux distros) is that with the new "bulletproof" xorg.conf, there's not much of an example in it. Our cards just don't feed back the right info during configuration...

    By far the biggest challenge is to get your monitor frequencies right, so you'll have to edit in something like this for the G3's:

    Code:
    Section "Monitor"
            Identifier  "Configured Monitor"
            HorizSync    58-62
            VertRefresh  75-117
    EndSection
    as per:
    https://wiki.ubuntu.com/PowerPCKnown...1d51b9372722c8

    You may also have to add a custom Modules section at the end similar to this as well:

    Code:
    Section "Module"
       Disable "glx"
       Disable "dri"
    EndSection
    Then to tweak it depending if you have an ATI or a Radeon, check:
    https://wiki.ubuntu.com/PowerPCFAQ#h...f633929024f1ec

    Frustrating, but when that G3 comes alive, it is a marvelous thing...
    Last edited by stream303; June 4th, 2008 at 08:17 PM. Reason: typo
    20" G5 iMac - AMD64 HP desktop
    http://www.ppclinux.info/

  2. #12
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    Re: boot (X) problem on mac g3

    Quote Originally Posted by stream303 View Post
    The toughest part with Hardy (or any of the newer Linux distros) is that with the new "bulletproof" xorg.conf, there's not much of an example in it. Our cards just don't feed back the right info during configuration...

    By far the biggest challenge is to get your monitor frequencies right, so you'll have to edit in something like this for the G3's:

    Code:
    Section "Monitor"
            Identifier  "Configured Monitor"
            HorizSync    58-62
            VertRefresh  75-117
    EndSection
    as per:
    https://wiki.ubuntu.com/PowerPCKnown...1d51b9372722c8

    You may also have to add a custom Modules section at the end similar to this as well:

    Code:
    Section "Module"
       Disable "glx"
       Disable "dri"
    EndSection
    Then to tweak it depending if you have an ATI or a Radeon, check:
    https://wiki.ubuntu.com/PowerPCFAQ#h...f633929024f1ec

    Frustrating, but when that G3 comes alive, it is a marvelous thing...
    I was able to make this changing and in fact if I type 'sudo startx' it works. The problem, actually, is: how can I start the computer in a way in which X start automatically? I tried 'Linux' and 'Linux nosplash' but both gave me back the same problem of the first post (monitor shuted down and simil stand-by of the machine).
    Thank you to all of view that are using your time to help me

  3. #13
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    Re: boot (X) problem on mac g3

    Quote Originally Posted by stream303 View Post
    The toughest part with Hardy (or any of the newer Linux distros) is that with the new "bulletproof" xorg.conf, there's not much of an example in it. Our cards just don't feed back the right info during configuration...

    By far the biggest challenge is to get your monitor frequencies right, so you'll have to edit in something like this for the G3's:

    Code:
    Section "Monitor"
            Identifier  "Configured Monitor"
            HorizSync    58-62
            VertRefresh  75-117
    EndSection
    as per:
    https://wiki.ubuntu.com/PowerPCKnown...1d51b9372722c8

    You may also have to add a custom Modules section at the end similar to this as well:

    Code:
    Section "Module"
       Disable "glx"
       Disable "dri"
    EndSection
    Then to tweak it depending if you have an ATI or a Radeon, check:
    https://wiki.ubuntu.com/PowerPCFAQ#h...f633929024f1ec

    Frustrating, but when that G3 comes alive, it is a marvelous thing...
    I was able to make this changing and in fact if I type 'sudo startx' it works. The problem, actually, is: how can I start the computer in a way in which X start automatically? I tried 'Linux' and 'Linux nosplash' but both gave me back the same problem of the first post (monitor shuted down and simil stand-by of the machine).
    Thank you to all of view that are using your time to help me

  4. #14
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    Re: boot (X) problem on mac g3

    Wow - sounds like you are missing the GDM login, or it is misconfigured somehow.

    You can try loading it again:
    Code:
    sudo apt-get install gdm
    and if that still doesn't work, perhaps try reconfiguring it:
    Code:
    sudo dpkg-reconfigure gdm
    20" G5 iMac - AMD64 HP desktop
    http://www.ppclinux.info/

  5. #15
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    Re: boot (X) problem on mac g3

    nope
    it crush way before the start of kdm. It crush as soon as it have ended to load the kernel (I think it try to load X)

  6. #16
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    Re: boot (X) problem on mac g3

    Quote Originally Posted by F4l3 View Post
    nope
    it crush way before the start of kdm. It crush as soon as it have ended to load the kernel (I think it try to load X)
    fixed, now there is the bug you described. I'll have to reconfigure kdm

  7. #17
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    Re: boot (X) problem on mac g3

    Now this is interesting - Scientia reports that doing

    Code:
    sudo dpkg-reconfigure xserver-xorg
    actually helped him get over much the same issue. With Hardy's new x server, this doesn't work like it did in the past allowing you to manually specify your card info, but it seemed to help.

    It does write a new xorg.conf, so be sure to backup your existing custom-modified one first.

    Code:
    sudo cp /etc/X11/xorg.conf  /etc/X11/xorg.conf.bak
    Maybe try that xorg reconfiguration, and apply your mods again.

    If your /etc/apt/sources.list file looks like it points to ports.ubuntu.com, perhaps update your software

    Code:
    sudo apt-get update
    then
    sudo apt-get upgrade
    I can't be sure that Kubuntu for PPC doesn't have issues, so perhaps try Ubuntu as a reference installation, then if that works and you want Kubuntu, you can later install it by installing kubuntu-desktop, and switching to it at the next login.

    I know I'm throwing out a lot of "perhaps" scenarios.
    20" G5 iMac - AMD64 HP desktop
    http://www.ppclinux.info/

  8. #18
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    Re: boot (X) problem on mac g3

    I'm trying

    In every case the only difference between kubuntu and ubuntu is only the DE, than everything up to Xorg are the same, than I don't see how this can influence my problems

  9. #19
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    Re: boot (X) problem on mac g3

    You are quite right. I guess I'm thinking along the lines of edge-cases, where the Kubuntu build may be differing every so slightly from Ubuntu, or like the case of Xubuntu only releasing a beta for Hardy.. It is a reach, I admit.

    On a side note, did you have to force the r128 driver in the device section, or does your /var/log/Xorg.0.log show that it is picking up the ATI Rage 128 by itself?
    Last edited by stream303; June 6th, 2008 at 08:52 AM. Reason: removed redundant info
    20" G5 iMac - AMD64 HP desktop
    http://www.ppclinux.info/

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