Messages in this thread |  | | Date | Wed, 27 Feb 2008 09:25:35 -0800 | | From | "Yinghai Lu" <> | | Subject | Re: 2.6.24 git2/mm1: cpu_to_node mapping to non-existant nodes causing boot failure |
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On Wed, Feb 27, 2008 at 6:37 AM, Mike Travis <travis@sgi.com> wrote: > > Yinghai Lu wrote: > > On Tue, Feb 19, 2008 at 11:23 AM, Mel Gorman <mel@csn.ul.ie> wrote: > >> On (19/02/08 08:12), Mike Travis didst pronounce: > >> > >>> Mike Travis wrote: > >> > > Mel Gorman wrote: > >> > > > >> > >> If you send me patches to apply on top of 2.6.25-rc1, I'll give them a spin > >> > >> on the machine in question. Reverting didn't work out very well as there are > >> > >> too many collisions with patches that were applied later. I eventually got > >> > >> the machine booting but it only succeeds because it only brings up one core > >> > >> on each processor. The patch, which is pretty brain damaged is below in case > >> > >> it helps you guess what the real problem is. dmesg logs are attached of the > >> > >> vanilla failure with acpi=debug and the log with the patch applied showing > >> > >> "__cpu_up: bad cpu 1" and "__cpu_up: bad cpu3" (i.e. the second cores of > >> > >> each machine). > >> > >> > >> > > > >> > > This should completely undo the change to 16 bit apic ids until we can figure > >> > > out the problem with the memory-less nodes. I checked it on both the numa > >> > > and non-numa x86_64 box. > >> > > > >> > > Thanks, > >> > > Mike > >> > > > >> > > >> > Hi Mel, > >> > > >> > Did you get a chance to try out this patch to see if it cleared up the problem > >> > booting on your x86_64 numa box? > > > > did it fail with x86.git#testing? > > > > YH > > Hi, > > My problem is that I haven't been able to set up a NUMA box where some of the nodes > have no memory. The one box we have, the serial port doesn't work and it's in a lab > far, far away. Everything else, it works fine.
x86.git#testing should be solid with numa and nodes without memory.
YH
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