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Krzysztof Oledzki <olel@ans.pl> wrote: > > On Sat, 11 Mar 2006, Andrew Morton wrote: > > > Krzysztof Oledzki <olel@ans.pl> wrote: > >> > >> After upgrading to 2.6.16-rc6 I noticed this strange message: > >> > >> More than 8 CPUs detected and CONFIG_X86_PC cannot handle it. > >> Use CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP. > >> > >> This is a Dell PowerEdge SC1425 with two P4 Xeons with HT enabled (so with > >> totoal of 4 logical CPUs). > > > > Please send full dmesg output for the failing kernel, thanks. > Attached. > > > Which is the most-recently-tested kernel which behaved correctly? > 2.6.15.6 OK, thanks. I assume the machine's working OK? From my reading, you have CONFIG_HOTPLUG_CPU enabled and the machine has an APIC. I'd expect that lots of people would hit that warning but for some reason they don't - possibly because most APICs don't have sufficiently high version numbers? Anyway, various people cc'ed. I _think_ it's harmless, although the way in which def_to_bigsmp propagates into the DMI and APIC code might be a problem, depending upon config options. Certainly the warning is incorrect, but I'm not sure what is the best thing to do about it? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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