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Date: Mon, 18 Aug 2008 00:08:48 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: "Diego F. Arias R." <dak.col@gmail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Posible SATA driver bug
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> I have a freebsd 7 on a MSI k9n6g motherboard based on Nvidia MCP61.
> The problem is if i connect a second hard drive to the sata controller
> online, i got 89% of my CPU used by interrupt (systat -pigs shows

you did atacontrol detach and atacontrol attach on that channel.


anyway - it may be BIOS problem, that set up the channel in strange way 
(or don't at all) without disk present at boot.