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Thread: ubuntu on new retina macbook : any experience ?

  1. #21
    Join Date
    Sep 2006
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    175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: ubuntu on new retina macbook : any experience ?

    Quote Originally Posted by blayne View Post
    in your blog post it mentions you are using the 295.59 nvidia drivers. Have you tried upgrading to the 302.17 drivers?

    on a side note, I now have the thunderbolt ethernet adapter working.

    I had to make a minor change to the tg3 kernel module. It needs to be plugged in at boot as I still havent worked out how to get hot plug working.
    Just tried a fresh installation of 12.10 Alpha 2, and still no luck. Did you have to install Bumblebee or anything else to get your graphics working?

  2. #22
    Join Date
    Mar 2009
    Beans
    14

    Re: ubuntu on new retina macbook : any experience ?

    Quote Originally Posted by raccoonone View Post
    Just tried a fresh installation of 12.10 Alpha 2, and still no luck. Did you have to install Bumblebee or anything else to get your graphics working?
    what sort of DVI adapter are you using? I am just using a $10 Deal extreme adapter.
    I read somewhere that adding the following option to your Xorg config might help.
    Code:
    Option         "UseDPLib" "off"

    A couple other tricks I found on the net:

    Keyboard backlight : (value between 0-255)
    Code:
    echo 250 > /sys/devices/platform/applesmc.768/leds/smc::kbd_backlight/brightness
    Fans :
    I cant get them to automatically change their speeds based on temp, I can manually control them using : (rpm value 2000-5900)
    Code:
     
    echo 1 > /sys/devices/platform/applesmc.768/fan1_manual
    echo 5600 > /sys/devices/platform/applesmc.768/fan1_output
    echo 1 > /sys/devices/platform/applesmc.768/fan2_manual
    echo 5600 > /sys/devices/platform/applesmc.768/fan2_output

  3. #23
    Join Date
    Dec 2010
    Location
    Kansas
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    118

    Re: ubuntu on new retina macbook : any experience ?

    Blayne:
    Can you post your kernel config? When I load the nvidia driver all I get is a blank screen. I figure I'm missing something.
    Gentoo Developer Extraordinaire

  4. #24
    Join Date
    Mar 2009
    Beans
    14

    Re: ubuntu on new retina macbook : any experience ?

    Quote Originally Posted by BlueDragonX View Post
    Blayne:
    Can you post your kernel config? When I load the nvidia driver all I get is a blank screen. I figure I'm missing something.
    Sure it is just the default 3.5-2 config from ubuntu.

    Ive also attached my xorg config, Xorg.log and my dmesg log incase any of that helps (ignore the applesmc errors in dmesg as I havent replaced my autoloading moudle with the patched version)

    http://c.ac.nz/log/2012-07-13/Xorg.0.log
    http://c.ac.nz/log/2012-07-13/dmesg.log
    http://c.ac.nz/log/2012-07-13/xorg.conf
    http://c.ac.nz/log/2012-07-13/config-3.5.0-2-generic

    my grub menu entry :
    Code:
    menuentry 'Ubuntu, with Linux 3.5.0-2-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	gfxmode $linux_gfx_mode
    	insmod gzio
    	insmod part_gpt
    	insmod ext2
    	set root='(hd0,gpt4)'
    	search --no-floppy --fs-uuid --set=root c0f05e89-7dd8-460b-ac15-52b4489a2177
    	linux	/vmlinuz-3.5.0-2-generic root=UUID=95c51cc0-5fc3-4f8f-a1b9-43fba3165789 ro rootflags=subvol=@   nointremap nomodeset
    	initrd	/initrd.img-3.5.0-2-generic
    }
    The applesmc patch I used was taken from this forum post

    Code:
    diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
    index 2cde9ec..7f07c2b 100644
    --- a/drivers/hwmon/applesmc.c
    +++ b/drivers/hwmon/applesmc.c
    @@ -174,7 +174,7 @@ static int __wait_status(u8 val)
     
     	for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) {
     		udelay(us);
    -		if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val)
    +		if ((inb(APPLESMC_CMD_PORT) & val) == val)
     			return 0;
     	}
     
    --
    Last edited by blayne; July 14th, 2012 at 07:01 AM.

  5. #25
    Join Date
    Nov 2006
    Beans
    12

    Re: ubuntu on new retina macbook : any experience ?

    Thank you blayne, nointremap and nomodeset did the job!

    I now have 12.10 A2 insalled. Tried default nvidia-current and nvidia-current-updates but it is as if X does not manage to load the nvidia module.

    Where did you install the driver from?

  6. #26
    Join Date
    Nov 2006
    Beans
    12

    Re: ubuntu on new retina macbook : any experience ?

    Oh, never mind. After modprobe nvidia-current-updates and lightdm restart, X is now running!

  7. #27
    Join Date
    Dec 2010
    Location
    Kansas
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    118

    Re: ubuntu on new retina macbook : any experience ?

    I've patched in initial support for the nouveau open source video driver but I'm still having one problem. The screen's displaying as if the modeline is incorrect.

    Can any of you post the X modeline that gets used when using the nvidia proprietary driver?
    Gentoo Developer Extraordinaire

  8. #28
    Join Date
    Mar 2009
    Beans
    14

    Re: ubuntu on new retina macbook : any experience ?

    Quote Originally Posted by BlueDragonX View Post
    I've patched in initial support for the nouveau open source video driver but I'm still having one problem. The screen's displaying as if the modeline is incorrect.

    Can any of you post the X modeline that gets used when using the nvidia proprietary driver?
    Using 'xvidtune -show', is this what you want?

    Code:
    "2880x1800"   337.75   2880 2928 2960 3040   1800 1803 1809 1852 +hsync -vsync

  9. #29
    Join Date
    Dec 2010
    Location
    Kansas
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    Re: ubuntu on new retina macbook : any experience ?

    Yes indeed, thanks.

    That's the same modeline I have. Something's not quite right here.
    Gentoo Developer Extraordinaire

  10. #30
    Join Date
    Mar 2009
    Beans
    14

    Re: ubuntu on new retina macbook : any experience ?

    Quote Originally Posted by BlueDragonX View Post
    Yes indeed, thanks.

    That's the same modeline I have. Something's not quite right here.
    whats going wrong?

    without the 'nomodeset' boot parameter my screen goes all garbled when X starts, are you using that?

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