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Asus AMD R9 270 DCUII OC Framebuffer Issue in OS X Mavericks 10.9.5


biborn
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Hello,

 

I am having problems with my graphics card (AMD Radeon R9 270).

It is mainly the problem with the card performance. I am getting a very undesirable performance.

However, QE/CI works properly and all graphical animations work out of the box.

The main problem is with the performance i got in Cinebench R15.

i only get 29fps is OS X whereas in Windows i get more than 70fps without any hassle.

I understand that OS X have problems with OpenGL but I've tested my friend's card (AMD Radeon 7870) and that card performs well (68fps OpenGL Cinebench R15 score).

 

Here is my specs:

Processor: AMD FX-8320 @ 3.5GHz

Motherboard: Asus Sabertooth 990FX R2.0

RAM: Kingston HyperX Fury 16GB DDR3 1600MHz

GPU: Asus Radeon R9 270 DCUII OC 2GB GDDR5 256bit

 

I made some researches and tried to patch DSDT but that doesn't work. I might did it wrongly but how can i know.

Since I am using AMD platform there's no way that I can use Clover Injection method (AFAIK).

Now, I'm using chameleon as a bootloader.

 

I also tried some of patch like this: http://www.hackintoshosx.com/files/file/4040-amd-radeon-hd-7xxx-r9-series-graphics-drivers-for-mavericks-109x/

and this: http://www.hackintoshosx.com/files/file/3711-amd-radeon-r9-270-series/

and this: http://www.insanelymac.com/forum/topic/303186-how-to-modification-of-amd-fb-clover-injection/?do=findComment&comment=2093026

and this: http://www.insanelymac.com/forum/topic/294498-amd-r9-270-problem/

and many more that i can barely recall.

 

I have also edited the S/L/E/AMD7000Controller.kext and S/L/E/AMDX4000.kext and put in my device ID (0x68111002) but that also don't work.

Here are the pastebin links to the info.plist files for your reference if I might missed anything:

AMD7000Controller.kext: http://pastebin.com/e2Uh3KHm

AMDRadeonX4000.kext: http://pastebin.com/ivKP88mq

 

Here are the terminal result of my commands:

lspci -nnvd 0x1002: | grep -B2 Subsystem : http://pastebin.com/HaaLFCgi

sudo kextstat | grep AMD: http://pastebin.com/jiKG7T6p

ioreg | grep ATY: http://pastebin.com/vyep36Aw

 

I also attached some screenshots for your reference.

P/S: I am using Niresh 10.9.0 and upgraded to 10.9.5 using Combo Update.

post-1412593-0-62729100-1422165982_thumb.png

post-1412593-0-69357800-1422165987_thumb.png

post-1412593-0-91489100-1422165992_thumb.png

post-1412593-0-79723700-1422165996_thumb.png

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Could be a AMD kernel issue.

 

Please post a IOREG. Thank you. 

 

http://www.rampagedev.com/?page_id=77

 

I am using this kernel (BSA_10.9.5_rc1 V.1) found here: http://www.insanelymac.com/forum/files/file/315-bsa-1095-rc1/

The IOReg file you requested is here: https://drive.google.com/file/d/0B9JzupigjxRFeUxCMEhHYms5Y3M/view?usp=sharing

Thanks.

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http://www.insanelymac.com/forum/topic/294315-radeon-r9-270x-framebuffer-issue/

My system AMD recognizes perfectly R9 270x

use the system vlada which is fine in 10.9.5 Mavericks
and see how it is recognized perfectly

 

 

I believe if I have the exact same card, life would be so much easier. :)

But mine is not 270X. It's 270 without the X.

I've tried Vlada's work too but no luck. I've been tinkering with this for about a month before I decided to post it in here.

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Please post a IOREG. Thank you. 

 

http://www.rampagedev.com/?page_id=77

 

You must use the app that is on my guide. Also compress the file and up loaded it here to IM. 

 

Oh yeah, the version I'm using is 3.0.2. Yours is 2.0

I downloaded your IOReg and used it.

Please see attachment.

Sorry for the trouble.

my IOReg.zip

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Since I am using AMD platform there's no way that I can use Clover Injection method (AFAIK).

Now, I'm using chameleon as a bootloader.

May be we try to start your system with Clover? AFAIK Clover works with AMD CPU.

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May be we try to start your system with Clover? AFAIK Clover works with AMD CPU.

 

I've read in so many sources that Clover is not suitable for AMD CPU. But having heard you said that, can you point me to any thread that will assist me to achieve that?

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