Messages in this thread | | | Date | Thu, 17 Apr 2008 11:02:13 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] - Increase MAX_APICS for large configs |
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On Thu, Apr 17, 2008 at 4:07 AM, Ingo Molnar <mingo@elte.hu> wrote: > > * Jack Steiner <steiner@sgi.com> wrote: > > > Increase the maximum number of apics when running very large > > configurations. This patch has no affect on most systems. > > x86.git overnight random-qa testing found a boot crash and i bisected it > down to this patch. The config is: > > http://redhat.com/~mingo/misc/config-Thu_Apr_17_10_17_14_CEST_2008.bad > > the failure is attached below. (I needed the exact boot parameters > listed in that bootup log to see this failure.) > > it seems to be CONFIG_MAXSMP=y triggers the new more-apic-ids code and > that causes some breakage elsewhere. [btw., this again shows how useful > the CONFIG_MAXSMP debug feature is!]
so this one and Mike's 4096 NR_CPUS cause the problem?
2048 CPUs works.
YH
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