Date: Mon, 4 May 2009 20:46:03 -0400 From: Duane <duane@cheekymonkey.us> To: freebsd-questions <freebsd-questions@freebsd.org> Subject: Part II: Running SMP kernel but only one cpu Message-ID: <5e8ad96d0905041746o67c463e9t1297a0b3103557bf@mail.gmail.com>
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The bios in this old Micron dual PPro-180 full tower antique only initializes the second CPU if the machine is cold-booted. A simple 'reboot' results in a single processor machine regardless of the kernel that is launched. This fact -- unknown to me before last night -- was the source of a great deal of lost time! My 6.4 SMP kernel (now customized) runs just fine, with both cpus active, *except* for this message streaming constantly up the boot console. (from /var/log/messages:) May 4 20:20:33 poobah kernel: interrupt storm detected on "irq15:"; throttling interrupt source May 4 20:21:02 poobah last message repeated 42 times May 4 20:21:03 poobah login: ROOT LOGIN (root) ON ttyv1 May 4 20:21:03 poobah kernel: interrupt storm detected on "irq15:"; throttling interrupt source May 4 20:21:33 poobah last message repeated 30 times May 4 20:23:33 poobah last message repeated 120 times May 4 20:33:33 poobah last message repeated 599 times May 4 20:40:01 poobah last message repeated 387 times etc etc ad repetitum infinitum Question1: Is this something I should go to some lengths to eliminate? Question2: What the heck is it? Best regards, -- Duane
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