Re: High interrupt usage on IO

["Brad Pitney" <pitney.brad%googlemail.com@localhost>]

On Wed, Mar 12, 2008 at 10:00 PM, Manuel Bouyer 
<bouyer%antioche.eu.org@localhost> wrote:
> On Wed, Mar 12, 2008 at 09:39:26PM +0000, Brad Pitney wrote:
>  > Hi,
>  >
>  > I am experiencing high interrupt usage on disk read/writes whether it
>  > is under Dom0 or DomU, which results in a rather paltry 2MB/ps writing
>  > when doing a say:
>  > $ dd if=/dev/zero of=tempimg bs=1m count=555
>  > for example.
>
>  I think the issue because of this:
>
> Mar 12 03:21:05 frazzle /netbsd: pciide0 at pci0 dev 2 function 5
>  Mar 12 03:21:05 frazzle /netbsd: pciide0: vendor 0x1039 product 0x5513 (rev. 
> 0x01)
>  Mar 12 03:21:05 frazzle /netbsd: pciide0: bus-master DMA support present, 
> but unused (no driver support)
>
>  did you remove siside from your kernel config ?

*red face* yes, commented out. I'll report back either way. thank you!

>
>  --
>  Manuel Bouyer <bouyer%antioche.eu.org@localhost>
>      NetBSD: 26 ans d'experience feront toujours la difference
>  --
>