Posible SATA driver bug

Wojciech Puchar wojtek at wojtek.tensor.gdynia.pl
Sun Aug 17 22:08:54 UTC 2008

> 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.

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