Messages in this thread | | | Date | Wed, 31 Dec 2008 22:17:06 -0800 (PST) | From | david@lang ... | Subject | Re: early exception error |
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On Thu, 1 Jan 2009, Andi Kleen wrote:
> On Wed, Dec 31, 2008 at 12:59:08PM -0800, david@lang.hm wrote: >> On Wed, 31 Dec 2008, Andi Kleen wrote: >> >>>> on the picture you sent me i noticed the message >>>> "Your memory is not aligned you need to rebuild your >>>> kernel with bigger NODEMAP SIZE shift=20" and then >>>> srat code complains about "No NUMA code hash function found" >>>> which looks a bit scary. Btw, could you post this picture >>>> on some public resource so NUMA people could check it? >>> >>> This case used to be handled cleanly (NUMA disabled), but perhaps >>> that has regressed. But still it sounds like something is going wrong, >>> unless his machine really has a very weird memory map. >> >> it shouldn't, it was one of the high-volume servers 4-5 years ago and only >> has 4G of ram in it > > From looking at the screenshot Cyrill sent you seem to have a funny > SRAT with overlapping areas that is rejected in the end. I suspect the > fallback code doesn't handle this properly. > > Does it work when you boot with numa=noacpi ?
it gets past the point where the bootmemory_debug messages flow by, but I get another oops (snapshot of the screen is at http://linux.lang.hm/linux/IMG00031.jpg )
David Lang
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