Re: 2.6.24 git2/mm1: cpu_to_node mapping to non-existant nodes causing boot failure

Yinghai Lu
2008-02-27T06:29:17Z

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