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Guru Meditation -225 error

Posted: 17. Sep 2010, 08:52
by kevlarkian
Hello,
Upgraded my computer recently to a dual-hex Mac Pro (2x5670), and now when attempting to start VMs that have more than one processor, I get a "Guru Meditation -225" error. This occurs with or without a guest OS installed (i.e. when attempting to install to a fresh VM, or using an existing VM), using either local (on an SSD) or network-located vdi files. Any idea what I should look at?

Currently I've been trying to install 64-bit windows 2008 server r2 from MSDN .isos or original media, or use the vdi file from my already installed and working Ubuntu virtual box (also 64-bit 2008 server r2, 2 virtual cores).

Have not tried reinstalling 2000, the vdi file from my prior install (1 virtual core) is working.
VT-x icon is lit at all times, appears functional.

Logfiles attached.