Hello,

I am having a system panic issue with the Intel D510MO motherboard. It uses an Intel D510 Atom CPU, that is a hyperthreaded, dual core CPU that supports Intel 64 Technology. I am using FreeBSD 8.1_RELEASE AMD64 with the GENERIC kernel, and the system crashes with the following error on the console, when hyperthreading is enabled in the BIOS.

panic:vm_page_insert: effset already allocated
cpuid:3

If I disable the hytperthreading in the BIOS, then the system is stable. Does anyone know what this error means, or what the hyperthreading support is with 8.1_RELEASE AMD64? Do I need to recompile the kernel with different options for this CPU, or is this a bug?

Thank you.
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