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Message-ID: <adahbksqe71.fsf@roland-alpha.cisco.com> Date: Thu, 24 Jun 2010 15:05:22 -0700 From: Roland Dreier <rdreier@...co.com> To: Kurt Newman <knewman@...baldataguard.com> Cc: linux-kernel@...r.kernel.org Subject: Re: 2.6.32.1 kernel unable to use more than 2 of 16 CPUs on Intel E5540 (i7) Your config seems to have CONFIG_PM and therefore CONFIG_ACPI disabled. So the kernel is relying on mptable information. Unsurprisingly on a modern system, that info is probably broken -- since everything would have been tested with ACPI. Try turning on CONFIG_ACPI and see if that helps at all. -- Roland Dreier <rolandd@...co.com> || For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/index.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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