On Mon, 8 Jan 2001, Jason R Thorpe wrote:

> On Mon, Jan 08, 2001 at 10:22:09AM -0800, James Sharp wrote:
>
>  > [ snip ]
>  > mcclock0 at isa0 port 0x70
>  > stray isa irq10
>  > stray isa irq10
>  > stray isa irq10
>  > stray isa irq10

Turned out that this is the USB controller.  I removed it from the
configuration and rebuilt the kernel.  The machine is happy now and it
seems to have brought the performance back to what I'd expect from a DS10.


>  >
>  > [ snip ]
>  > root sd0a dumps on sd0b
>  > sysctl: adding
>
> You're using a serial console, I guess... can you try to see what's at
> isa irq 10?
>
> This seems like the "16 bytes of death" bug that used to happen on
> systems with serial consoles, which Ross fixed by sending a specific
> EOI to the ISA interrupt controller...  I'm kind of puzzled over why
> it would show up on your DS10...
>

I threw a video card into the box & ran it off the graphics console.  It
seems to like that better.  I'll run it like that for a while.