Messages in this thread | | | Date | Thu, 1 Jan 2009 15:02:57 +0100 | From | Andi Kleen <> | Subject | Re: early exception error |
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On Wed, Dec 31, 2008 at 10:17:06PM -0800, david@lang.hm wrote: > 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 )
Node setup seems to be still broken. You'll likely need a full serial log with earlyprintk=serial (and no numa=...)
-Andi
-- ak@linux.intel.com
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