Via Nano CPU: Can boot 7.0-RELEASE-amd64, can't boot 7.1-RELEASE-amd64: "cpu doesn't support long mode"

[Jung-uk Kim]

On Monday 05 January 2009 02:24 pm, Koen Smits wrote:
> Hello all,
>
> I have some problems getting FreeBSD 7.1-RELEASE amd64 to boot on
> my VIA VB8001, which is a mini-ITX board with the new VIA Nano CPU.
> This CPU is fully 64bit capable. But, when I try to boot Disc1 from
> an IDE CD-ROM I get the error "cpu doesn't support long mode",
> which implies the CPU can't do 64bit, and booting halts asking for
> a kernel.
> The first thing I tried was running ubuntu 8.10 64bit. It installs
> and runs fine. And, trying FreeBSD 7.0-RELEASE Disc1 amd64 also
> boots and installs normally!
> Any help on fixing this is much appreciated.

See:

http://svn.freebsd.org/viewvc/base?view=revision&revision=183667
http://svn.freebsd.org/viewvc/base?view=revision&revision=183823

I am not sure removing Via CPU support was intentional, though.

Jung-uk Kim