panic(cpu 0 caller 0xffffff7f807256ee): "AppleAHCI@ 0 HBA trouble accessing main memory = 0xfffffff"@/SourceCache/AppleAHCI/AppleAHCI-200.0.0

[iLlusion]

I'm having the following panic after trying to install 10.6 on my netbook:

 

panic(cpu 0 caller 0xffffff7f807256ee): "AppleAHCI@ 0 HBA trouble accessing main memory = 0xfffffff
"@/SourceCache/AppleAHCI/AppleAHCI-200.0.0/AppleAHCIPort.cpp:1884
Debugger called: <panic>
Backtrace (CPU 0), Frame : Return Address
0xfffffff8035f3bdc0 : 0xffffff8000204ae6
0xfffffff8035f3bec0 : 0xffffff7f807256ee
0xfffffff8035f3bf10 : 0xffffff7f80722778
0xfffffff8035f3bf30 : 0xffffff8000530240
0xfffffff8035f3bf60 : 0xffffff8000530555
0xfffffff8035f3bfa0 : 0xffffff80002c3eb7
	Kernel Extensions in backtrace (with dependencies):
	     com.apple.driver.AppleAHCIPort(2.0.0)@0xffffff7f80720000->0xffffff7f8072dfff
		dependency: com.apple.iokit.IOAHCIFamily(2.0.0)@0xffffff7f80719000
		dependency: com.apple.iokit.IOPCIFamily(2.6)@0xffffff7f80604000

Interestingly, going to the BIOS and switching "Sata Controller Mode" to "Compatibility" gets me to the installer, but doesn't allow me to choose a drive, forcing me to use a "GUID Partition Table" regardless having applied the MBR patch to my USB installer:

To install on this disk, open Disk Utility by choosing Utilities > Disk Utility, and repartition this disk using "GUID Partition Table." Important: you will lose all data on this disk by repartitioning it.

I don't want to lose all data!

Well, don't care really becuase the netbook has nothing on it except the factory Windows installation, but still want to keep it.

I have installed on MBR with Windows before, so why is it being picky now?

I think it is due to the "Sata Controller Mode" being in "Compatibility", but it won't boot to the installation screen if it's switched to "AHCI".

 

Netbook specs.

 

Update:

AppleAHCIPort.kext (for RAID) 1.0 (only version) eases the panic, but the hard drive is no longer visible.

 

Solution:

Forget about AHCI, OSInstall(MBR)+OSInstall.mpkg 10.6.x did the job!