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Date: Wed, 25 Jul 2007 10:29:14 -0700
From: Doug Barton <dougb@FreeBSD.org>
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To: Nicolas Haller <nicolas@boiteameuh.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: Interrupt storm on atapci1+
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Nicolas Haller wrote:
> Hi all,
> 
> I currently running a FreeBSD-CURRENT on a Intel Core 2 Duo and I seem I
> have a interrupt storm which take approximately 90% of a CPU.
> 
> This is the vmstat -i
> nicolas@marcellus:~%vmstat -i
> interrupt                          total       rate
> irq1: atkbd0                        2508          0
> irq17: mskc0                      133918          6
> irq19: fwohci0+                     8288          0
> irq22: atapci1+               1174121373      61321
> irq23: uhci3 ehci1                     1          0
> cpu0: timer                     38250554       1997
> cpu1: timer                     38240647       1997
> Total                         1250757289      65323
> 
> I give you my kernel conf.
> 
> I don't really know what informations can be useful so feel free to ask
> anything you need.

Make and model of the system would be a good start, along with the
output of 'grep -i irq /var/run/dmesg.boot'

Doug

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