Server with 3TB Crashing at boot

[Konstantin Belousov]

On Sat, Mar 14, 2015 at 11:43:49AM +0000, Steven Hartland wrote:
> Thats failing in bus_dmamem_alloc so as a guess I'd say there's no space 
> below the 4GB boundary for the allocation of size qsize.

If this is indeed the case, laoder tunable hw.dmar.enable=1 could help.
I assume that machine of this class does have VT-d hardware, you might
need to enable it in BIOS.