bad advice. Don't do it, there is a reason it isn't disabled. send oga some beer for c2k10 instead he might feel more pressure that way :-)
On Thu, May 27, 2010 at 11:01:58AM +0100, Peter Kay (Syllopsium) wrote: >> From: "Siju George" <[email protected]> >> On Thu, May 27, 2010 at 3:22 PM, Peter Kay (Syllopsium) >> <[email protected]> wrote: >>> >>>> From: "Siju George" <[email protected]> >>>> but OpenBSD 4.7/amd64 SMP detects only 3 GB. >>>> >>>> Is there anything more I should do to get the other 1 GB of RAM >>>> recognized by the System? >>>> >>> This is normal. Large memory support is not yet included in >>> OpenBSD by default for amd64. >>> >> >> Is there anything I can do to get this by recompiling the kernel or >> something? > Yes and no; google for 'bigmem' in the misc list for marc.info. You have > to edit > a source file and recompile the kernel. > > However, it won't work (to be precise, it will probably crash on boot, or > possibly > afterwards) unless you have an IOMMU, and most Intel systems don't. > > OpenBSD doesn't support the AGP/PCI-e GART as an IOMMU, and I'm not sure > if it supports VT-d platforms (which you probably aren't running anyway). > The > only option here is AMD. > > Until the devs tell us it's working, it's not worth persevering with. > > PK

