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".
AppleAHCIPort.kext (for RAID) 1.0 (only version) eases the panic, but the hard drive is no longer visible.
Forget about AHCI, OSInstall(MBR)+OSInstall.mpkg 10.6.x did the job!