Subject: Re: dynamic configuration (was Re: PR#4094)
To: None <tech-kern@netbsd.org, torek@bsdi.com>
From: Thor Lancelot Simon <tls@rek.tjls.com>
List: tech-kern
Date: 08/29/2000 05:22:11
On Mon, Aug 28, 2000 at 09:45:54AM -0700, Jason R Thorpe wrote:
> On Mon, Aug 28, 2000 at 11:18:28AM -0400, Nathan J. Williams wrote:
>
> > Since it seems that the goal is to wait two seconds between SCSI bus
> > attachment and SCSI bus probe, it seems that the best thing to do
> > would be to grab the time when the bus is attached and see if two
> > seconds have passed before probing the bus. I suppose that the lack of
> > timer interrupts during most of autoconfig makes this hairy, though.
>
> Not necessarily. Really, you want to defer even the reset of the SCSI
> bus to the first time devices are probed on it.
I think it's *highly* questionable whether you want to reset the SCSI
bus by default at all. If we ever want to run in truly high-end
configurations, we have to stop doing antisocial stuff like this.
--
Thor Lancelot Simon tls@rek.tjls.com
"And where do all these highways go, now that we are free?"