IStormy Monday: Wher does the weather come from?
oberman at es.net
Sat Feb 11 20:14:18 PST 2006
> From: Martin von Boehlen <boehlen at qualimedic.de>
> Date: Sun, 12 Feb 2006 01:57:24 +0100
> Sender: owner-freebsd-acpi at freebsd.org
> there are some probs with an ACPI interrupt storm on
> FreeBSD 6.0/6.1-PatchedIntoOblivion ;)
> I DO NOT HAVE A BIOS WHERE ACPI IS AN OPTION.
> I need to disable it completely!
> root at www1 ~ # kldstat
> Id Refs Address Size Name
> 1 7 0xc0400000 3412e8 kernel
> 2 1 0xc0742000 58554 acpi.ko
> 3 1 0xc45a7000 16000 linux.ko
> shows me acpi.ko
> I don't want it! I don't need it! How do I get rid of it?
> Where can I get further hints ?
> And, yes, I've scourged the mailing lists, the FAQ, the handbook, whatsoever!
> Now, 'top' often reports 'istorm' states on 'irq9: acpi0' with the 'S' option
> and the machine is incredibly slow.
> 'vmstat' does NOT report any stray interrupts, but with vmstat -i it goes like
> root at www1 ~ # vmstat -i
> interrupt total rate
> irq6: fdc0 10 0
> irq9: acpi0 283447006 23415
> irq14: ata0 41 0
> irq16: ahc0 86 0
> irq17: iir0 485463 40
> irq18: dc0 9395156 776
> irq19: dc1 21534416 1778
> cpu0: timer 24208102 1999
> cpu1: timer 24181422 1997
> Total 363251702 30008
> I have compiled the kernel for SMP with APIC on. But I do NOT need ACPI!
> How do I disable it??
> I've seen no kernel option.
> I've seen no hints in /etc/defaults/rc.conf
This used to be a FAQ, but it seems to have gotten less common.
Enter the line 'hint.adv.0.disabled="1"' into /boot/loader.conf.
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net Phone: +1 510 486-8634
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