IBM xSeries 336 dual Xeon hangs on boot when APIC enabled

[Andrey V. Elsukov]

>I'm trying to boot FreeBSD 6.1-RELEASE/amd64 on an IBM xSeries 336 machine
>with dual Xeons 3.2GHz installed.
>
>The installation was successful, but
>if I try to boot the SMP kernel, it hangs after detection of SCSI and ATA
>devices (possibly when doing the initialization of the mpt0 RAID controller,
>or when it tries to start the second CPU?).

Some time ago I was tried installation i386/FreeBSD on IBM x336 and x346. And i have successfull installation. I think amd64 is probally not right platform for this server.

-- 
WBR, Andrey V. Elsukov