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Thread: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

  1. #581
    Join Date
    Jul 2009
    Beans
    28

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Quote Originally Posted by thebino View Post
    Hi zmiq2,

    your i915.ko module dosn't work for me ;(
    I think becaus i've the 13" Air

    perhaps you can explain how to patch itself or compile witch patch?

    product name: MacBookAir4,2
    panel type: P133WP1-TJA3
    OS:ubuntu, kernel 3.0.0-13-generic

    Thx Bino
    Hi Bino,

    yes, the reason it doesn't work is because both the product name and the panel type are different!

    Since I have al the environment already setup, I just compiled the module for your macbook air, for free!

    You can download it here. Remember, after downloading, to rename the file to i915.ko and then follow the easy install instructions. Please report back whether or not it works for you.



    HTH

  2. #582
    Join Date
    Nov 2011
    Beans
    3

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Thx HTH for your work, but it dosn't work anyway ;(

    Bootoptions: quiet splash i915.i915_enable_rc6=1

    I've tried without i915.i915_enable_rc6=1

    Only boot WITH "nomodeset" (where no resolution Change to (1440 × 900) is available)

  3. #583
    Join Date
    Jun 2006
    Location
    Brisbane Australia
    Beans
    713

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    I just bought a 13" 256GB MacBook Air yesterday and tried installing ubuntu today following the community guide. However, as above, my screen only appears at 1024x768. Also the trackpad does not seem to work correctly and there are probably other issues I have not seen in the 10 mins I have spent in Unity.

    I am a bit disillusioned when I see how much munging around that post-install-oneiric.sh does. With all that, clearly the installation will be very fragile to ubuntu package updates (and particularly xorg-edgers etc) as we see here. Is running ubuntu on this thing really feasible? Or should I just resign myself to running ubuntu within VirtualBox?

  4. #584
    Join Date
    Apr 2011
    Beans
    136

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Well its up to you to decide how much effort is worth it to you but you sound like you're intent on using linux anyway. I haven't tried virtualbox in OS X and maybe its almost as smooth but I max out the ram on this machine a lot so can't afford that kind of overhead. I probably had more problems than most people on this forum but when the dust settled its very nice having a running ubuntu on this machine. The way I see it things should only get better and right now they're pretty alright. For update, etc... it does sound like a pain but to be honest I have the same issue with my desktop because I run some development nvidia modules. I just don't let ubuntu update that often and then realize I'll have to baby sit it when it does. Hopefully in the next release of ubuntu this machine will be supported out of the box.

  5. #585
    Join Date
    Nov 2005
    Location
    Mountain View, CA, USA
    Beans
    261
    Distro
    Ubuntu 11.10 Oneiric Ocelot

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @markbl ..."fragile"...? I have no idea what this could mean. I assure you though, there is no fragility. Packages have configurations. My script alters the configurations. "Clearly" it is designed to work this way. Type "man man" for more details.

    @zmiq2 Instead of sharing a binary, wouldn't it be easier to just share your tool chain (the commands you used to build the source). I'm guessing you merely ran the fix-i915.sh script and are now polluting the thread with dated binaries for only some of the modelines.

    I had hoped to set a precedent by adding comments and listing all the steps to build binaries (even when it could just be downloaded from my site). Many (most) appreciate this attempt...some...do not. If you want to show off your mad linux "skillz," please tell us *how* you did something. Don't just plop some binary on the forum and expect praise to be showered upon you. You'll have none from me.
    Last edited by dfacto; November 26th, 2011 at 06:19 PM.

  6. #586
    Join Date
    Nov 2011
    Beans
    3

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    I found a kernel wich supports my display:

    http://kernel.ubuntu.com/~sarvatt/macbook-air/

  7. #587
    Join Date
    Apr 2011
    Beans
    136

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    I'm guessing this is not an MBA specific problem so I'll probably post elsewhere but I just wanted to ask if anyone is experiencing weird network lock-ups of the following sort. Often when my MBA tries to connect to an encrypted wireless network it gets caught in some weird race condition and my logs are full of things like:
    Code:
    Nov 24 11:28:48 sliver kernel: [88782.761236] INFO: task wpa_supplicant:1185 blocked for more than 120 seconds.
    Nov 24 11:28:48 sliver kernel: [88782.761240] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
    Nov 24 11:28:48 sliver kernel: [88782.761245] wpa_supplicant  D 0000000000000001     0  1185      1 0x00000000
    Nov 24 11:28:48 sliver kernel: [88782.761253]  ffff880167ad38f8 0000000000000082 0000000000000282 ffff880167ad3908
    Nov 24 11:28:48 sliver kernel: [88782.761262]  ffff880167ad3fd8 ffff880167ad3fd8 ffff880167ad3fd8 0000000000012a40
    Nov 24 11:28:48 sliver kernel: [88782.761271]  ffff880164028000 ffff880167abae40 ffff880167ad38d8 ffff880168f77160
    Nov 24 11:28:48 sliver kernel: [88782.761279] Call Trace:
    Nov 24 11:28:48 sliver kernel: [88782.761288]  [<ffffffff815e8e27>] __mutex_lock_slowpath+0xd7/0x150
    Nov 24 11:28:48 sliver kernel: [88782.761327]  [<ffffffffa0196d3f>] ? nl80211_trigger_scan+0xff/0x500 [cfg80211]
    Nov 24 11:28:48 sliver kernel: [88782.761337]  [<ffffffff815e8a3a>] mutex_lock+0x2a/0x50
    Nov 24 11:28:48 sliver kernel: [88782.761361]  [<ffffffffa01e026e>] ieee80211_request_scan+0x2e/0x60 [mac80211]
    Nov 24 11:28:48 sliver kernel: [88782.761387]  [<ffffffffa01ee7e9>] ieee80211_scan+0x69/0x90 [mac80211]
    Nov 24 11:28:48 sliver kernel: [88782.761410]  [<ffffffffa0197081>] nl80211_trigger_scan+0x441/0x500 [cfg80211]
    Moreover after this the rest of the machine works fine but anything trying to access the network just hangs (e.g. running "ifconfig" from the terminal) and nothing I do besides a reboot helps.

    At first I thought this was just a random thing with my wireless at home but now I notice that it seems to happen on many wireless networks. For my wireless at home somehow rebooting the router solves the problem but obviously I can't do this on a general wireless.

    If anyone has seen something similar or has some idea where I might go to start debugging this please let me know.

  8. #588
    Join Date
    Jul 2009
    Beans
    28

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    @Bino,

    - my bootoptions are quiet splash i915.i915_enable_rc6=1 vt.handoff=7

    - I'm disappointed the built module doesn't work for you; on the other hand, I'm glad that you found a kernel that works four you!

    @markbl

    I think running ubuntu on this machine is completely worth the effort! Probably a more methodic / reliable method for doing the upgrades in sync with ubuntu updates is needed. I find myself spending like 2 hours a week to keep my mba correctly setup...

    @jebus_beler

    In my mba I had wifi connecting issues when I had little coverage. With just one bar (whatever that means), it kept he network manager connecting /disconnecting; I moved closer to my access point, and then I had a reliable connection. I hoped the network manager to give a more friendly message like 'cannot connect, signal too low', because Even with 1 bar I expected to connect without issues. Maybe it's not related to your problem, just in case it might work
    Last edited by zmiq2; November 28th, 2011 at 11:26 AM.

  9. #589
    Join Date
    Apr 2011
    Beans
    136

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Quote Originally Posted by poliva View Post
    @jebus_beler: just upgrade the kernel normally, then reboot with the "nomodeset" kernel parameter and re-run the post-install-oneiric script to have the kernel modules updated. It should patch keyboard, trackpad and bluetooth modules, then the i915 module. Once it finishes updating the modules just quit.

    All patches are ok, and everything works fine after upgrading. hueythecat probably had problems because he applied the patch to an already patched source... if you are having the same problem remove the mba4-temp directory and re-run the script again (it will re-download the sources, and apply the patch clean).
    A quick note on the update for those who haven't done it yet. If you're using xorg-edgers first disable the PPA (don't purge, just uncheck it in software sources) or else the script tries to download kernel 3.2 from the PPA and then all the patches break. This might have been the problem huey was having. To upgrade I first removed (actually just renamed) my old mba4-tmp dir and then ran the post-intall-oneiric script just up to the point when its done building the modules (to be sure I actually copied the script and deleted everything after that but I acknowledge that this is overkill ). After upgrading things seem to work as before (so far).

  10. #590
    Join Date
    May 2008
    Beans
    76

    Re: MacBookAir4,1 & MacBookAir4,2 (MBA 2011) support

    Quote Originally Posted by jebus_beler View Post
    If you're using xorg-edgers first disable the PPA (don't purge, just uncheck it in software sources) or else the script tries to download kernel 3.2 from the PPA and then all the patches break.
    Ah that was it! damn xorg-edgers, why do you people use it? what's the benefit? I have been using my MBA without xorg-edgers since the beginning and have had no issues at all (upgrading daily without problems).

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