kext and Gpu issues mac pro 1.1 (Sapphire 7850)

[roipiotr]

Hello everyone i'm very new here, my name is Piotr,

 

i just finish to install 10.9 and some modified kext. 

Now i have this problem on boot : 

 

 

 

28/05/2015 00:35:18,690 com.apple.kextd[12]: WARNING - Invalid signature -67030 0xFFFFFFFFFFFEFA2A for kext "/System/Library/Extensions/ATI7000Controller.kext"
28/05/2015 00:35:18,708 com.apple.kextd[12]: /System/Library/Extensions/ATI7000Controller.kext - no compatible dependency found for com.apple.kext.AMDSupport.
28/05/2015 00:35:18,716 com.apple.kextd[12]: Can't load /System/Library/Extensions/ATI7000Controller.kext - failed to resolve dependencies.
28/05/2015 00:35:18,719 com.apple.kextd[12]: Load com.apple.kext.AMD7000Controller failed; removing personalities from kernel.
28/05/2015 00:35:18,000 kernel[0]: SMC::smcReadKeyAction ERROR: smcReadData8 failed for key BEMB (kSMCKeyNotFound)
28/05/2015 00:35:19,081 com.apple.kextd[12]: WARNING - Invalid signature -67030 0xFFFFFFFFFFFEFA2A for kext "/System/Library/Extensions/AMDRadeonAccelerator.kext"
28/05/2015 00:35:19,507 apsd[59]: CGSLookupServerRootPort: Failed to look up the port for "com.apple.windowserver.active" (1102)
28/05/2015 00:35:20,000 kernel[0]: Sound assertion in AppleHDAEngine at line 581
28/05/2015 00:35:21,000 kernel[0]: kxld[com.apple.AMDRadeonAccelerator]: The vtable '__ZTV20AMDAccelEventMachine' is malformed. Make sure your kext has been built against the correct headers.
28/05/2015 00:35:21,000 kernel[0]: kxld[com.apple.AMDRadeonAccelerator]: The vtable '__ZTV20AMDAccelEventMachine' is malformed. Make sure your kext has been built against the correct headers.
28/05/2015 00:35:21,000 kernel[0]: kxld[com.apple.AMDRadeonAccelerator]: The vtable '__ZTV20AMDAccelEventMachine' is malformed. Make sure your kext has been built against the correct headers.
28/05/2015 00:35:21,000 kernel[0]: kxld[com.apple.AMDRadeonAccelerator]: The vtable '__ZTV20AMDAccelEventMachine' is malformed. Make sure your kext has been built against the correct headers.
28/05/2015 00:35:21,000 kernel[0]: Can't load kext com.apple.AMDRadeonAccelerator - link failed.
28/05/2015 00:35:21,000 kernel[0]: Failed to load executable for kext com.apple.AMDRadeonAccelerator.
28/05/2015 00:35:21,000 kernel[0]: Kext com.apple.AMDRadeonAccelerator failed to load (0xdc008016).
28/05/2015 00:35:21,000 kernel[0]: Failed to load kext com.apple.AMDRadeonAccelerator (error 0xdc008016).
28/05/2015 00:35:21,101 com.apple.kextd[12]: Failed to load /System/Library/Extensions/AMDRadeonAccelerator.kext - (libkern/kext) link error.
28/05/2015 00:35:21,104 com.apple.kextd[12]: Load com.apple.AMDRadeonAccelerator failed; removing personalities from kernel.
28/05/2015 00:35:21,119 com.apple.kextd[12]: WARNING - Invalid signature -67030 0xFFFFFFFFFFFEFA2A for kext "/System/Library/Extensions/AMDRadeonX4000.kext"
28/05/2015 00:35:22,161 WindowServer[162]: Session 256 retained (2 references)
28/05/2015 00:35:22,161 WindowServer[162]: Session 256 released (1 references)
28/05/2015 00:35:22,178 WindowServer[162]: Session 256 retained (2 references)
28/05/2015 00:35:22,181 WindowServer[162]: init_page_flip: page flip mode is on
28/05/2015 00:35:22,000 kernel[0]: PXS1: Not usable
28/05/2015 00:35:22,182 WindowServer[162]: CGXMappedDisplayStart: can't open any framebuffer
28/05/2015 00:35:22,183 WindowServer[162]: CGXDisplayDriverInitialize: No Display drivers loaded

Maybe you have an idea of what's going on. I'm spending hours for this graphic card, i'm so sad  it doesn't work . I want to pass to 10.9.5 but i don't have any easy way to replace boot.efi