Category Archives: Mac/Hackintosh

Cannot boot Hackintosh with GTX 980 or 970?


panic(cpu 2 caller 0xffffff8000379458): "a freed zone element has been modified in zone kalloc.64: expected 0xdeadbeefdeadbeef but found 0xdeadbeef00000000, bits changed 0xdeadbeef, at offset 48 of 64 in element 0xffffff8037690d00,
Debugger called: <panic>
Backtrace (CPU 2), Frame : Return Address
... : ...
BSD process name corresponding to current thread: kextd

Simply going ahead and booting with the Maxwell-based Nvidia GPUs will likely cause problems. Whether it’s physically removing the graphics card, or switching to the integrated GPU in the BIOS, you need to temporarily disable it before the Nvidia Web Drivers are installed.
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