On Mon, 2007-09-24 at 16:15 -0700, Andrew Morton wrote: > On Mon, 24 Sep 2007 16:05:37 -0700 > Dave Hansen <[EMAIL PROTECTED]> wrote: > > > On Mon, 2007-09-24 at 15:25 -0700, Andrew Morton wrote: > > > hm. I saw that warning on my 2-way. It has CONFIG_NR_CPUS=8 so perhaps > > > the kernel has decided that this machine can possibly have eight CPUs. > > > > > > It's an old super-micro board, doesn't have ACPI. > > > > Well, it's looking like we only set cpu_possible_map from data we find > > in the MP table, which makes sense. The only question is how your > > system gets more than ~8 possible cpus. Do you have the .config handy? > > http://userweb.kernel.org/~akpm/config-vmm.txt
I've reproduced this. I'll do more runtime testing with all of the debugging, CONFIG_CPU_HOTPLUG=y, and NR_CPUS to a high value. It should help catch things like this in the future. -- Dave - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/