Re: AMD64 with 4GB RAM

2009-07-14 Thread Toni Mueller
Hi, On Mon, 22.06.2009 at 17:21:11 +0200, Claudio Jeker wrote: > Consider it unsave. Without iommu (e.g. on Intel Boxes) many devices will > be unable to talk to memory > 4GB bad if that is where your data is. With > the amd64 gart acting as iommu it is possible to use the memory but as > nobody

Re: AMD64 with 4GB RAM

2009-06-22 Thread Chris Kuethe
On Mon, Jun 22, 2009 at 8:59 AM, Gaby Vanhegan wrote: > I'd gathered that from reading one of those threads to the end. I really > wanted to avoid having to build a custom kernel, especially if the results > might not even work. I suppose I was just inquiring about the status of > bigmem in 4.5 a

Re: AMD64 with 4GB RAM

2009-06-22 Thread Philip Guenther
On Mon, Jun 22, 2009 at 7:59 AM, Gaby Vanhegan wrote: > I'd gathered that from reading one of those threads to the end. I really > wanted to avoid having to build a custom kernel, especially if the results > might not even work. I suppose I was just inquiring about the status of > bigmem in 4.5 a

Re: AMD64 with 4GB RAM

2009-06-22 Thread Claudio Jeker
On Mon, Jun 22, 2009 at 03:59:35PM +0100, Gaby Vanhegan wrote: > On 22 Jun 2009, at 14:58, Thomas Pfaff wrote: > >> On Mon, 22 Jun 2009 12:37:08 +0100 >> Gaby Vanhegan wrote: >>> >>> I have a machine with 4GB RAM and a quad core Xeon processor. Will >>> it >>> be able to see the full 4GB of RAM

Re: AMD64 with 4GB RAM

2009-06-22 Thread Gaby Vanhegan
On 22 Jun 2009, at 14:58, Thomas Pfaff wrote: On Mon, 22 Jun 2009 12:37:08 +0100 Gaby Vanhegan wrote: I have a machine with 4GB RAM and a quad core Xeon processor. Will it be able to see the full 4GB of RAM or will I have to tweak bigmem, either by building a custom kernel (really don't w

Re: AMD64 with 4GB RAM

2009-06-22 Thread Thomas Pfaff
On Mon, 22 Jun 2009 12:37:08 +0100 Gaby Vanhegan wrote: > > I have a machine with 4GB RAM and a quad core Xeon processor. Will it > be able to see the full 4GB of RAM or will I have to tweak bigmem, > either by building a custom kernel (really don't want to do that) or > by using config()?

AMD64 with 4GB RAM

2009-06-22 Thread Gaby Vanhegan
Does anybody know the status of large memory support in 4.5/amd64? I found this about 4.4 not finding the full 4GB: http://kerneltrap.org/mailarchive/openbsd-misc/2008/12/15/4420904 And this about bigmem causing boot failure: http://kerneltrap.org/index.php?q=mailarchive/open