ahd0: Unexpected PKT busfree condition

[Nate Lawson]

On Mon, 22 Sep 2003, tim wrote:
> I am running 4.8_release on a intel SE7501BR2 server board. Everything
> appeared to be running fine for about 3 months but just the other day
> this message popped up (see below) and ever since the machine has ran
> like crap. The speed at which it serves files (via samba)to the windows
> network is pathetic,before this message came up it ran like the wind but
> now it doesn't and my customer is kinda getting a bit fed up with the
> slow access speeds and i really need to find a solution to this
> quick!!...i am using a 36gb Seagate 15,000 rpm drive (sorry can't
> remember the exact model from memory but i wil post it, if it is
> required). Basically i think it is one of three things 1)Dodgy
> Motherboard 2)H/D on the way out 3)dodgy drivers in Freebsd. I am really
> hoping it is 1 or 2 because it's easy to send the stuff back and get it
> replaced but i really don't want to use another OS unless it's OpenBSD
> but 3.3 doesn't seem to support the on-board scsi but maybe 3.4 will but
> that ain't due till october i think. i doubt this matters but i am only
> running 1 xeon on this board.
>
> ahd0: Unexpected PKT busfree condition

camcontrol tags da0 -N 8

If this works, up '8' until it doesn't (my guess, somewhere around 31).

-Nate