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    [ubuntu] Re: MBA 11" 2012 with 12.04

    Great work :-)
    Maybe it's time to write write a wiki page with instructions for new models...
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Looks like you have grub on the drive (no partition), and also on sda4. Try installing a MBR that will chain to grub on partition 4:

    $ sudo apt-get install mbr
    $ sudo install-mbr -p 4 /dev/sda
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    $ sudo strings /dev/sda |head -n 30 |grep -i grub
    $ sudo strings /dev/sda4 |head -n 30 |grep -i grub

    The place where grub is installed, should output something like "grub/stage... whatever"


    ...
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @diafygi: looks like your hibrid MBR is broken and needs to be rebuild (as per dfacto instructions, as you posted). If that's not the problem, make sure you have installed grub in the 4th MBR...
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @jebus_beler: are you using unity3d or unity2d? I use unity2d and haven't had any similar issue.
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    [ubuntu] Re: MBA 11" 2012 with 12.04

    You might also want to have a look at this thread:
    http://ubuntuforums.org/showthread.php?t=924096
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    [ubuntu] Re: MBA 11" 2012 with 12.04

    ok, no luck here either.

    Let's start hacking the module source then ;)

    1. Install the required dependencies to build the modules:



    sudo apt-get build-dep --no-install-recommends...
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    [ubuntu] Re: MBA 11" 2012 with 12.04

    @aviromanoff: thanks for the output, the applesmc module source is here: http://x90.es/applesmc from the log you posted it looks like it's failing at applesmc_init() because read_smc() doesn't work...
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    [ubuntu] Re: MBA 11" 2012 with 12.04

    should be ok, it's a different problem then. Can you post the output when modprobing the module? I'd suggest adding printk's in the module and re-compile it to see how far it reaches, and where/why...
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    [ubuntu] Re: MBA 11" 2012 with 12.04

    regarding the applesmc error, can you check if the dmi_system_id on your system matches the DMI_BOARD_VENDOR and DMI_PRODUCT_NAME set on the applesmc module? source is on...
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @pindar: Are you viewing the CPU temperature or the Proximity temperature in OSX? I have more or less the same values in both operating systems when doing the same tasks. The proximity temperature in...
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @pindar: something is wrong with your setup, mine stays between 55șC and 60șC when idle, with fan at ~2000RPM, and going up to ~80șC when doing CPU intensive tasks, with fan at ~6000RPM.
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    I measured the difference between both drivers using powerstat, and there's around 1 Watt less power used with the wl driver, in my case it increased around 25-30 min the battery life.

    BTW, the...
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    because you're using the open source driver, which has far worse power management than the proprietary one.
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Cloudane: rmmod wl ; modprobe wl and it should work
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @DanielBuus : Read the full story here http://pof.eslack.org/2012/05/23/why-broadcom-80211-linux-sta-driver-sucks-and-how-to-fix-it/
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Blacklist the bcsma module, is a known bug, sorry, will fix it tomorrow morning!
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @DanielBuus: if you already have GRUB2 working, there's no point in using rEFIt (or the newer rEFInd) unless you want a nicer boot screen.

    The EFI boot timeout before GRUB can be avoided using...
  19. [ubuntu] Re: Ubuntu 12.04 boots with full screen brightness and keyboard backlight

    Add this to /etc/rc.local:



    echo '2' > /sys/devices/pci0000:00/0000:00:02.0/backlight/acpi_video0/brightness
    echo '0' > /sys/devices/platform/applesmc.768/leds/smc::kbd_backlight/brightness
    ...
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Just FYI, I've been able to reduce the time to associate after resume to 8 seconds using the wl driver :-) for those interested in the details (it's a long story) I've written a blog post here:
    ...
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Here's a script that wiill download and patch wpa-supplicant automatically, to fix the timeout when using wl driver:

    http://pof.eslack.org/archives/files/mba42/fix-wl.sh
  22. [other] Re: Is there an easier way with MAC to get Xubuntu to USB?

    Read the instructions here:

    http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx
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    [ubuntu] Re: Wifi reconnect after suspend really slow

    A quick comment just to let you know a solution is available, see here:

    http://ubuntuforums.org/showthread.php?p=11943846&postcount=844
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    FYI I just built the broadcom-sta 5.100.82.112-7 from source package on 12.04, tried it and worked successfully, but still has the 30 seconds delay issue. bummer. :(
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    [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @berryman77: In quantal (12.10) there's a newer version of the wl driver available (5.100.82.112), I haven't tested it though, but maybe it's worth a try if it has the benefits of wl driver and...
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