Date: Sun, 14 Oct 2007 14:07:03 -0700 From: Nate Lawson <nate@root.org> To: Abdullah Ibn Hamad Al-Marri <wearabnet@yahoo.ca> Cc: Peter Jeremy <peterjeremy@optushome.com.au>, freebsd-acpi@freebsd.org, freebsd-stable@freebsd.org Subject: Re: FreeBSD 7.0 interrupt storm with irq0: clk Message-ID: <471284F7.7020503@root.org> In-Reply-To: <58790.8375.qm@web33704.mail.mud.yahoo.com> References: <58790.8375.qm@web33704.mail.mud.yahoo.com>
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Abdullah Ibn Hamad Al-Marri wrote: > On 2007-Oct-14 15:36:39 +0300, Abdullah Ibn Hamad Al-Marri > <almarrie@gmail.com> wrote: >> On 10/13/07, Nate Lawson <nate@root.org> wrote: >>> Rolf Witt wrote: >>>> Abdullah Ibn Hamad Al-Marri schrieb: >>>>> Hello, >>>>> >>>>> I'm getting interrupt storm lately. > ... >> But still same issue with irq0: clk but less now. >> >> IM# vmstat -i >> interrupt total rate >> irq0: clk 37009569 1000 > >> So far, you haven't provided any evidence of any "interrupt storm" or >> how it might be related to acpi. And 7.0 isn't stable yet. > >> The default HZ is 1000 so unless you explicitly change it in your >> kernel config, you should have 1000 clock interrupts/sec. > > Actually no more interrupt after I added these options back to my kernel while it's UP not SMP, and vmstat output has changed totally. > > # To make an SMP kernel, the next two lines are needed > options SMP # Symmetric MultiProcessor Kernel > device apic # I/O APIC > > IM# vmstat -i > interrupt total rate > irq14: ata0 4837 0 > irq23: fxp0 2203298 86 > cpu0: timer 50755929 1999 > Total 52964064 2086 > > I even don't see irq0 in vmstat at all. > > Any hints? All you did was enable the lapic timer. I'm sorry that I don't have time to explain all the PC stuff to you, just stick with GENERIC and you'll be fine. -- Nate
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