![]() ![]() Which means the CPU attempted to write the MSR register 0x8B the instruction wrmsr 0x8b, 0 – and the reason for the crash. Fortunately we can spot in the log we see the following reason for crash: This is a rather tough error to debug as this means the CPU encountered an exception while already reacting on the exception. This will bring us further in the OS X load process – now it crashes with Guru Meditation 1155 (VINF_EM_TRIPLE_FAULT). Note that the second instruction from the script above (setting –cpuidset 00000001) should NOT be executed on AMD CPU. The OS X checks the CPU brand by using CPUID instruction, so we can modify its output in VirtualBox to masquerade our CPU as Intel: More changes are needed.įirst, we need to tell VirtualBox to present its CPU as Intel. However this will not be enough on AMD CPU, where the OS X kernel will halt (Mavericks) or crash (Yosemite) on boot. While VirtualBox does not officially support OS X guests on non-Mac hardware, it is still trivial to do so, as described in the following post. Installing it on a machine with Intel CPU is not a problem. Before you proceed: there is NO working solution yet, and I was not able to run unmodified Mac OS X guest on AMD CPU under VirtualBox.
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