Subject: Re: strange high interrupt load and other problems.
To: Eric Auge <>
From: Tobias Nygren <>
List: current-users
Date: 06/09/2006 20:35:00
Eric Auge wrote:
> Hello,
> the SATA drive seems awfuly slow for some (to me) unknown reasons
> I keep getting a _lot_ of interrupts (systat 1, :iostat)
> when doing like a cvs update -PAd on pkgsrc and the load of the box
> is going up to 3 or 4, nothing is running except xorg (from pkgsrc)
> using the vesa driver (since i810 doesnt seems to support i950GM)
> and a very light window manager (wmii) + 3 xterms.
> pciide0 at pci0 dev 31 function 2
> pciide0: vendor 0x8086 product 0x27c4 (rev. 0x02)
> pciide0: bus-master DMA support present, but unused (no driver support)
> pciide0: primary channel wired to compatibility mode
> pciide0: primary channel interrupting at irq 14

No DMA, no wonder it's slow :)
I believe ICH7 sata controllers should be supported by piixide(4).
Have you tried adding the PCI id?