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Thread: "iMac G3 for Dummies"

  1. #51
    Join Date
    Mar 2013

    Re: "iMac G3 for Dummies"

    Quote Originally Posted by str8bs View Post
    1. I haven't seen anyone report mesa 3d working with 3.2 or later on a PPC with a R128 having less than 16 Meg VRAM. I'm curious if it is all your graphics or separate issues.
    2. It could be a bug or related to "thrashing." Just as systems with low ram can have swap/disk thrash issues, the same can happen with "thrashing" in and out of VRAM to system RAM.
    3. You mentioned multi-boot. Any chance you are auto-mounting multiple volumes and swap?
    I guess I was unfortunate to get a model with half the expected VRAM, but it was the only one available to me, hrm.
    About swap, I did not set a swap partition since I did not have a free partition set up for it (Apple partitioning seems finicky and resizing without formatting was only introduced in 10.5) and I was told since I have 1 GB SDRAM I shouldn't need it that much. I would still prefer not to lose my current OS 9 and OS X installs, so if I really need a swap partition and you could help me resizing the partitions somehow, I'd gladly go through the process. My current partitioning is OS 9, OS X, Linux and Files, give or take the padding Apple's partitioning generates, about 6 GB for each system plus 20 GB for the files partition (40 GB HDD).

    A couple of points:
    1. Don't get hung up on GLXgears and numbers. (...)
    2. Comparing bugdom or flurry doesn't tell us much either. (...)
    3. Determine if you want/need 3d support. (...)
    4. Mesa 3d and EXA 2d are two different things.
    I do understand that the 2D and 3D accelerations are different, and that just the FPS on a simple test shouldn't be taken as end-all benchmarking, but I just figured my iMac should be able to support -some- sort of 3D/OpenGL, given its performance on similar applications under OS X. I want to move from OS X to avoid being stuck with old, unsupported software, but I'd still like to be able to use my machine's hardware to the fullest. At the moment I haven't been able to run a Linux DE which didn't slow down when I did so much as dragging a big selection rectangle on the desktop (XFCE and LXDE), while the same machine is able to run OS X smoothly, so there doesn't seem to be anything that should be keeping me from having a reasonable Linux experience with it.

    If you have any more questions about my machine feel free to ask, and thank you very much for taking the time to help me.

  2. #52
    Join Date
    Mar 2013

    Re: "iMac G3 for Dummies"

    I'm currently alternating between 12.04 and 13.04 (doing complete wipes and reinstalls on my hard drive.... for simplicity's sake, I don't bother with dual-boot configs).

    Is there any way to get the newest version of the xserver-xorg-video-r128 (version 6.9.1) with -both- EXA and XXA on both 12.04 and 13.04? I'd gladly compile it myself, but i have no idea how to do it, nor do I have any idea of how to be absolutley certain that the source code I'm using would indeed include the latest additions by Connor Behan ( I really wish there was a step-by-step guide of how to install it since I get stuck after downloading the .tar.gz file and decompressing it.... i'm like, "now what?" I have no idea why
    sudo ./configure
    didn't work.... maybe I'm missing files or even some other intermediate steps that I don't know about?

    Also, could anyone here tell if the package provided in the first post by rsavage is compiled with the EXA and XXA flags both enabled?
    Quote Originally Posted by rsavage
    6. If you are using 12.04 then you can download the mesa legacy package to give you 3D acceleration. You can find a pre-compiled version here

  3. #53
    Join Date
    Dec 2013

    Re: "iMac G3 for Dummies"

    I have the exact same computer a Svetlana Tovarisch and exactly the same problems, (i have read the hole thread)

    What should we do now?

    Thanks in advance!

  4. #54
    Join Date
    Mar 2014

    Re: "iMac G3 for Dummies"

    I finally got my iMac G3 working with the 3.2 kernel, and wantd to share my xorg.conf. Key settings, I believe, are DefaultDepth 16 (didn't work with 24), NoAccel "true", and UseFBDev "true".

    Section "ServerLayout"
    Identifier " Configured"
    Screen 0 "Screen0" 0 0
    InputDevice "Mouse0" "CorePointer"
    InputDevice "Keyboard0" "CoreKeyboard"

    Section "Files"
    ModulePath "/usr/lib/xorg/modules"
    FontPath "/usr/share/fonts/X11/misc"
    FontPath "/usr/share/fonts/X11/cyrillic"
    FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
    FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
    FontPath "/usr/share/fonts/X11/Type1"
    FontPath "/usr/share/fonts/X11/100dpi"
    FontPath "/usr/share/fonts/X11/75dpi"
    FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
    FontPath "built-ins"

    Section "Module"
    Load "extmod"
    Load "record"
    Load "dbe"

    Section "InputDevice"
    Identifier "Keyboard0"
    Driver "kbd"

    Section "InputDevice"
    Identifier "Mouse0"
    Driver "mouse"
    Option "Protocol" "auto"
    Option "Device" "/dev/input/mice"
    Option "ZAxisMapping" "4 5 6 7"

    Section "Monitor"
    Identifier "Monitor0"
    VendorName "Monitor Vendor"
    ModelName "Monitor Model"
    HorizSync 58-62
    VertRefresh 75-117
    ModeLine "1024x768" 78.5 1024 1045 1141 1312 768 769 772 796 +hsync +vsync

    Section "Device"
    ### Available Driver options are:-
    ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
    ### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
    ### <percent>: "<f>%"
    ### [arg]: arg optional
    Option "NoAccel" "True"
    #Option "SWcursor" # [<bool>]
    #Option "Dac6Bit" # [<bool>]
    #Option "Dac8Bit" # [<bool>]
    #Option "DMAForXv" # [<bool>]
    #Option "ForcePCIMode" # [<bool>]
    #Option "CCEPIOMode" # [<bool>]
    #Option "CCENoSecurity" # [<bool>]
    #Option "CCEusecTimeout" # <i>
    #Option "AGPMode" # <i>
    #Option "AGPSize" # <i>
    #Option "RingSize" # <i>
    #Option "BufferSize" # <i>
    #Option "EnablePageFlip" # [<bool>]
    #Option "Display" # <str>
    #Option "PanelWidth" # <i>
    #Option "PanelHeight" # <i>
    #Option "ProgramFPRegs" # [<bool>]
    Option "UseFBDev" "True"
    #Option "VideoKey" # <i>
    #Option "ShowCache" # [<bool>]
    #Option "VGAAccess" # [<bool>]
    Identifier "Rage 128"
    Driver "ati"

    Section "Screen"
    Identifier "Screen0"
    Device "Card0"
    DefaultDepth 16
    Monitor "Monitor0"
    SubSection "Display"
    Viewport 0 0
    Depth 1
    SubSection "Display"
    Viewport 0 0
    Depth 4
    SubSection "Display"
    Viewport 0 0
    Depth 8
    SubSection "Display"
    Viewport 0 0
    Depth 15
    SubSection "Display"
    Viewport 0 0
    Depth 16
    SubSection "Display"
    Viewport 0 0
    Depth 24

    uname -a
    Linux debian 3.2.0-4-powerpc-smp #1 SMP Debian 3.2.54-2 ppc GNU/Linux

    0000:00:0b.0 Host bridge: Apple Inc. UniNorth/Pangea AGP
    0000:00:10.0 Display controller: Advanced Micro Devices [AMD] nee ATI Rage 128 Pro Ultra TR
    0001:10:0b.0 Host bridge: Apple Inc. UniNorth/Pangea PCI
    0001:10:17.0 Unassigned class [ff00]: Apple Inc. KeyLargo/Pangea Mac I/O
    0001:10:18.0 USB controller: Apple Inc. KeyLargo/Pangea USB
    0001:10:19.0 USB controller: Apple Inc. KeyLargo/Pangea USB
    0002:20:0b.0 Host bridge: Apple Inc. UniNorth/Pangea Internal PCI
    0002:20:0e.0 FireWire (IEEE 1394): Apple Inc. UniNorth/Pangea FireWire
    0002:20:0f.0 Ethernet controller: Apple Inc. UniNorth/Pangea GMAC (Sun GEM)


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