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Lord Kamina

Lord Kamina

Member Since 04 Jun 2012
Offline Last Active Feb 24 2015 02:33 AM
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#2114129 Help tracing AppleHDA assertions?

Posted by Lord Kamina on 23 February 2015 - 12:23 AM

I've been trying to produce a working AppleHDA for my new board (an MSI P67a-GD55) and so far have been met mostly with failure. What I'm doing is trying to create a custom layout (and pathmap etc etc) from scratch and am using DigitalDJ's method to patch the layout hard-coded size in the Binary (https://digitaldj.ne...ayout-applehda/)  So far, it would appear my layout is being indeed read but I have no sound devices and I'm being plastered with assertions. Using IDA Pro I began trying to trace them as explained on that post... and have basically hit a wall with that. I'm really getting A LOT of assertions but the first two are always 22-02-15 14:42:42,000 kernel[0]: Sound assertion in AppleHDAPath at line 1350 22-02-15 14:42:42,000 kernel[0]: Sound assertion in AppleHDAEngine at line 515 Something tells me I should try to correct them from the top-down as most likely one failure would lead to another. Upon tracing those, I've gotten to the point where...

#1869527 GUIDE: HDMI Audio with unsupported on-board audio: VoodooHDA and AppleHDA at...

Posted by Lord Kamina on 28 November 2012 - 10:39 AM

It was fun working on this project. -Beta Blood, sweat and tears! Definitely wouldn't have gotten it working without your blog and commenting here and there.

#1869322 GUIDE: HDMI Audio with unsupported on-board audio: VoodooHDA and AppleHDA at...

Posted by Lord Kamina on 27 November 2012 - 04:38 PM

DISCLAIMER:I have made this guide for people using ATI/AMD GPUs because that is what I have, because as-far-as-I-know AMD uses only one audio codec and because it's what I've tried and know, works. Still, the principle should be just as valid for NVIDIA or even Intel HD cards. My Build:Motherboard: Asus P5G41T-M LX PLUSCPU: Intel E7400, overclocked @ 3.37GHzMemory: 4GB Ram DDR3 1333Ethernet: Realtek RTL8169Audio Codec: ALC887-VDGraphics: XFX Radeon HD 5570 1GB DDR3OS: Mountain Lion 10.8.2I bought this Asus board a couple months ago and mostly it works very well. Now, when I bought it I looked at the audio codec but I didn't search for actual user experiences getting it to work (my mistake) and to my surprise, upon getting home I quickly realized that AppleHDA and my board just weren't the best of buddies. Flash-forward a couple of weeks and I'm resigned to using VoodooHDA. Now, VoodooHDA doesn't make friends with my HDMI audio so I have to choose between Ap...

#1858671 64bit Lion kexts don't work on ML

Posted by Lord Kamina on 06 October 2012 - 02:38 PM

I think your problem might be in generating the kernel cache (if you do use one), sometimes you need to specify you only want 64bit versions of the kexts in there.
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