| 1 |
On Mittwoch 06 Mai 2009, Branko Badrljica wrote: |
| 2 |
> Duncan wrote: |
| 3 |
> > Then, look at memory model. Here, with current kernels, I have only one |
| 4 |
> > option, Sparse, evidently limited by my choice of hardware (Processor |
| 5 |
> > family and/or Supported processor vendor options, higher on the page, I'd |
| 6 |
> > guess or perhaps probed from the BIOS). However with older kernels, and |
| 7 |
> > presumably now if I were to choose hardware other than AMD Opteron/K8 (or |
| 8 |
> > choose a different BIOS option), there are Flat and Discontiguous options |
| 9 |
> > as well. Unfortunately, I can't tell you which options are correct for |
| 10 |
> > your (Intel) hardware. If you have multiple memory model choices, you |
| 11 |
> > may just have to try them and see. |
| 12 |
> |
| 13 |
> I thought those extra options were just for NUMA systems and were about |
| 14 |
> how the memory from several NUMA nodes "fits together" ie whether it has |
| 15 |
> to form one continuos memory range or not. |
| 16 |
> |
| 17 |
> |
| 18 |
> WRT to original question, I'd update BIOS and kernel to the latest |
| 19 |
> version available and if that fails to rectifyy the problem, I'd try to |
| 20 |
> toy with kernel memory option parameters |
| 21 |
|
| 22 |
well, duncan has some old hardware and likes to turn on a lot of superfluos |
| 23 |
options. Don't touch the numa stuff. Don't even enable it if you have 2cores |
| 24 |
or intel system. |
Archives