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

    The lowest I've gotten the power to under Linux is 7W and I haven't heard of anyone doing better on the Macbook Air. Under OSX, I can get it down to 4W.

    I'm running Cinnamon (with compositing) on...
  2. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Turns out I still ran into trouble. After using Unity 2D, I finally decided to give xubuntu another chance (tried it years ago). I was impressed and how much it had improved (more polish), while...
  3. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    I may have found a solution to the external monitor problem. Previously, I've had to run Ubuntu 2D because my screen would freeze using the default Unity. While addressing a video tearing issue, I...
  4. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    I also have the lag, though I am reluctant to switch drivers because with wl, I get a better signal and power management settings work. I'd like to hear if anyone has worked around these issues with...
  5. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Ditto on the external monitor. I'm connecting via thunderbold/hdmi and having to use Ubuntu2D to function in 12.04. In 11.10 I could use the 3D desktop and just closing and opening (not suspending...
  6. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Is there anyone switching between laptop and external monitor that is not having this problem? I did find that if I suspend to disk and resume the external monitor will work again. I'm not sure if...
  7. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    After applying Other Power Saving Tips (thanks Poliva), I can get the power usage just under 8 watts in ideal circumstances. This is still nearly 3 watts above OS X. I've tried different approaches...
  8. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    As a follow up on this message, I consistently see this same problem. After resuming from suspend (with nothing connected to the laptop), I plug into an external monitor via HDMI and see nothing but...
  9. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @jebus_beler

    Here's some screenshots. I used XBattery to measure the voltage and current. For this particular test I really tried to get low readings by turning down the monitor brightness to...
  10. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    I'm having problems resuming too. I typically get a screen with just the background image and no menus. Sometimes if I go to a VT and restart lightdm (sudo restart lightdm), it helps and sometimes...
  11. [all variants] Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    I had a similar experience. I switched over to OS X and tried a few utilities to measure the discharge rate. With similar settings (same screen brightness, wifi enabled, etc), I'm seeing 5.5 watts...
  12. [all variants] Re: MBA 4,2 running hotter under 11.10 than with OS X Lion

    @jonny
    I edited the wiki here: https://help.ubuntu.com/community/MacBookAir4-2#GPUPower


    Thanks again.
  13. [all variants] Re: MBA 4,2 running hotter under 11.10 than with OS X Lion

    @jonny

    That worked! Thank you!

    My new readings, a drop of nearly 10C:



    coretemp-isa-0000
    Adapter: ISA adapter
  14. [all variants] Re: MBA 4,2 running hotter under 11.10 than with OS X Lion

    @jonny



    I've completely shutdown graphics (sudo lightdm stop), run powertop and i7z and shut down some offenders (like the sound modules) and still I've got high temps. Here is the output from...
  15. [all variants] Re: MBA 4,2 running hotter under 11.10 than with OS X Lion

    @jonny

    The air temp is 21C. Are you running Unity with Compiz? Mine's an 13" i5 also.
  16. [all variants] MBA 4,2 running hotter under 11.10 than with OS X Lion

    First, a thanks for all those who put in work to get Ubuntu running on the MBA 4,2. I'm generally pleased with how it is running after following the setup instructions here...
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