It was a BIOS problem that was solved by a BIOS update. Sorry for bothering you,
Nadav. N.B. A year ago I tried the NUMA option. The good news is that the computer worked fine, but of-course it's surplus. -----הודעה מקורית----- מאת: Volker Armin Hemmann [mailto:[email protected]] נשלח: ה 07-מאי-09 02:08 אל: [email protected] נושא: Re: [gentoo-amd64] Re: I can use only 3GB aout of install 6GB On Mittwoch 06 Mai 2009, Branko Badrljica wrote: > Duncan wrote: > > Then, look at memory model. Here, with current kernels, I have only one > > option, Sparse, evidently limited by my choice of hardware (Processor > > family and/or Supported processor vendor options, higher on the page, I'd > > guess or perhaps probed from the BIOS). However with older kernels, and > > presumably now if I were to choose hardware other than AMD Opteron/K8 (or > > choose a different BIOS option), there are Flat and Discontiguous options > > as well. Unfortunately, I can't tell you which options are correct for > > your (Intel) hardware. If you have multiple memory model choices, you > > may just have to try them and see. > > I thought those extra options were just for NUMA systems and were about > how the memory from several NUMA nodes "fits together" ie whether it has > to form one continuos memory range or not. > > > WRT to original question, I'd update BIOS and kernel to the latest > version available and if that fails to rectifyy the problem, I'd try to > toy with kernel memory option parameters well, duncan has some old hardware and likes to turn on a lot of superfluos options. Don't touch the numa stuff. Don't even enable it if you have 2cores or intel system.
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