Re: [PATCH] x86-64, NUMA: reimplement cpu node map initializationfor fake numa

From: Tejun Heo
Date: Tue Apr 12 2011 - 03:13:29 EST


Hello, KOSAKI.

On Tue, Apr 12, 2011 at 03:31:42PM +0900, KOSAKI Motohiro wrote:
> Unfortunately, don't work.
> full dmesg is below.
...
> [ 0.220979] ERROR: groups don't span domain->span
> [ 0.222122] divide error: 0000 [#1] SMP
> [ 0.222975] last sysfs file:
> [ 0.222975] CPU 0
> [ 0.222975] Modules linked in:
> [ 0.222975]
> [ 0.222975] Pid: 1, comm: swapper Not tainted 2.6.39-rc1+ #2 FUJITSU-SV

Hmmm... looks like the added condition didn't trigger at all. I'm
travelling until the end of the next week and can only test using qemu
which I don't think supports sibling topology. Can you please add
some printks in the sibling link function and find out why the
condition isn't triggering? Thank you.

--
tejun
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