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

  1. #241
    Join Date
    Aug 2011
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    11

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

    Quote Originally Posted by dfacto View Post
    @daveMustane Does this mean you didn't try my xorg.conf?
    I am using your xorg.conf. I only replaced the long <b>Section "InputClass" with Driver "mtrack"...</b> with those 6 lines. I was not able to find one particular setting in the long list to cause the issue. I think it is probably easier to apply some (likely needed) additional settings from a (mostly) working base, than trying to finetune a broken configuration. To have all possible settings in the file, but in remarks is really a great idea. If there wasn't some sort of side effect. Maybe a parsing error. Maybe some outremarked special character causing issues.

    Please apply the change and lmk if your two finger touchpad behaviour doesn't improve a lot.

  2. #242
    Join Date
    Nov 2005
    Location
    Mountain View, CA, USA
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    261
    Distro
    Ubuntu 11.10 Oneiric Ocelot

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

    Quote Originally Posted by daveMustane View Post
    I am using your xorg.conf. I only replaced the long <b>Section "InputClass" with Driver "mtrack"...</b> with those 6 lines. I was not able to find one particular setting in the long list to cause the issue. I think it is probably easier to apply some (likely needed) additional settings from a (mostly) working base, than trying to finetune a broken configuration. To have all possible settings in the file, but in remarks is really a great idea. If there wasn't some sort of side effect. Maybe a parsing error. Maybe some outremarked special character causing issues.

    Please apply the change and lmk if your two finger touchpad behaviour doesn't improve a lot.
    Hrmm seems fishy to me--commented out is equivalent (I'm sure the parse library is >20yo by now...). In theory that is a working base as its what I am using. Oh well, hopefully someone can figure it out. BTW, the settings that are in there are what I cherry-picked (then tested) from the mtrack thread.

  3. #243
    Join Date
    Nov 2005
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    261
    Distro
    Ubuntu 11.10 Oneiric Ocelot

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

    So if you're on 3.0.0-10, here is how you can remove all the -dkms packages (except btusb-dkms). This isn't necessary and I don't want to add this to post-install.sh as I don't like it entirely. More importantly, you should only follow these steps if you're running Oneiric.

    Anyway, if you want to put your install a bit closer back to "what it should be" AND you are on 3.0.0-10, then you can run:
    Code:
    sudo dpkg -r applesmc-dkms bcm5974-dkms
    which removes two of the packages that my post-install.sh installed.

    Removing hid-apple-dkms (and hid-dkms) is more interesting.

    For some reason my hid-apple patch made it to the 3.0.0 source tree but its not in the binary. Honestly, I didn't even know this was possible and seems mildly disturbing. In any event, the following steps will get rid of two more of our custom dkms:
    Code:
    sudo apt-get build-dep --no-install-recommends linux-image-$(uname -r)
    apt-get source linux-image-$(uname -r)
    cd linux-$(uname -r|cut -d- -f1)/drivers/hid
    make -C /lib/modules/$(uname -r)/build M=$(pwd) hid-apple.ko
    sudo make -C /lib/modules/$(uname -r)/build M=$(pwd) modules_install
    sudo dpkg -r hid-apple-dkms hid-dkms
    Its probably better to reboot for this one to take effect.

    So to summarize: Following these steps keeps everything working as before, but puts us back on "stock" Ubuntu kernels, with the exception of i915 and btusb-dkms (which we should be using the non-dkms version which is newer). Obviously the re-make of above is "stock" but there was no editing to the file...

    Update: Perhaps these disturbing out-of-sync issues (also the cp line in fix-i915.sh) are related to this message which I did not notice when I pulled the source before (in which I used apt-get):
    Code:
    Picking 'linux' as source package instead of 'linux-image-3.0.0-10-generic'
    NOTICE: 'linux' packaging is maintained in the 'Git' version control system at:
    http://kernel.ubuntu.com/git-repos/u...tu-oneiric.git
    Update 2: All new changes are in new-post-install.sh. This is for Oneiric only! If you are using Oneiric, then new-post-install.sh is much better to use than the original. Also, you can re-run new-post-install.sh everytime there is a kernel upgrade (in fact you MUST do this until i915 and btusb are fixed).

    Update 3: The cp hack in fix-i915 and new-post-install.sh is now resolved. I was using the wrong path (obviously).
    Last edited by dfacto; September 10th, 2011 at 08:06 PM.

  4. #244
    Join Date
    Nov 2008
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    80

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

    To update those that might stumble on this thread w/ out reading it's entirety...Using MBA 4,2 13" stock 11.04 (natty) and running post-install.sh, according to this dfacto post. Everything working great for me, except microphone.
    Don't forget to unmute 'surround' in alsamixer to get audio.

  5. #245
    Join Date
    Nov 2005
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    Mountain View, CA, USA
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    Distro
    Ubuntu 11.10 Oneiric Ocelot

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

    Microphone should be working too. Are you sure its unmuted?

  6. #246
    Join Date
    Dec 2004
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    297

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

    Trackpad is working much better for me after a reboot, but I can't get a 4-finger tap or swipe to show Dash or the Unity launcher in the way it's supposed to. Three finger tap and swipe to move windows is simply awesome... I love it!

    One very minor problem is that the function keys don't map perfectly. F10 reduces the volume instead of muting; F11 increases the volume instead of reducing it; and F12 attempts to eject a non-existent CD instead of increasing the volume.

    Getting happier all the time!

  7. #247
    Join Date
    Dec 2004
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    297

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

    And, after a kernel update today, suspend seems to work perfectly - both from the menu and by shutting the lit. This is good... very good!

  8. #248
    Join Date
    Nov 2005
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    Mountain View, CA, USA
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    Ubuntu 11.10 Oneiric Ocelot

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

    @jonny My .Xmodmap fixes that.

    Also to everyone else. If you are just installing Oneiric, please use new-post-install.sh.

    It sets-up things the "right way" as opposed to the original post-install.sh which did things in a way that is not as nice (but also has its own merits). Basically the old post-install is more "stable" but the new one is "better."

    For Oneiric users: you can re-run new-post-install.sh every time there is a kernel upgrade (in fact you MUST do this until i915 and btusb are fixed). Eventually it will ask you if you want to continue setting the system up, at which point you can say 'no' to not proceed.

    Hopefully this all makes sense to someone. Trust me, everything you need is in these scripts (I'm not a documentation person!).
    Last edited by dfacto; September 10th, 2011 at 08:14 PM.

  9. #249
    Join Date
    Aug 2011
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    11

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

    Quote Originally Posted by dfacto View Post
    Hrmm seems fishy to me--commented out is equivalent (I'm sure the parse library is >20yo by now...). In theory that is a working base as its what I am using. Oh well, hopefully someone can figure it out. BTW, the settings that are in there are what I cherry-picked (then tested) from the mtrack thread.
    The only setting that is causing me touchpad issues is 'IgnorePalm'.

    'IgnorePalm' defaults to 'false'. If set to 'true', it becomes impossible to thumb click anything, without lifting the index finger first. Doing so often dispositions the mouse pointer. And you end up clicking the wrong thing. Painful! So I guess this is a bug in code. All other settings in xorg.conf are OK. And in theory, this one is as well.
    Last edited by daveMustane; September 10th, 2011 at 08:38 PM.

  10. #250
    Join Date
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    Ubuntu 11.10 Oneiric Ocelot

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

    Quote Originally Posted by daveMustane View Post
    The only setting that is causing me touchpad issues is 'IgnorePalm'.

    'IgnorePalm' defaults to 'false'. If set to 'true', it becomes impossible to thumb click anything, without lifting the index finger first. Painful! So I guess this is a bug in code. All other settings in xorg.conf are OK. And in theory, this one is as well.
    Thanks for tracking that down. I had enabled it under the hope that it would prevent spurious mouse movements while typing. There is another program listed on the mtrack thread that should accomplish this, but I have not tried it.

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