I experiance the same problem with a brand-new dell machine. I was able to solve
it by turning off the advanced features of the card (in the kernel) and
extending the reset timeout from 5 sec to 10 sec.
David Lang
>
- ------------------------------ >
> From: "Richard B. Johnson" <root@chaos.analogic.com>
> Date: Fri, 5 Jun 1998 14:26:04 -0400 (EDT)
> Subject: Re: AIC7XXXX bug in 2.0.34
>
> On Fri, 5 Jun 1998, Doug Paul wrote:
>
> > There appears to be an intermittant bug in the boot sequence for
> > the AIC7XXX driver in 2.0.34.
>
> [Symptoms snipped]
> Timeouts upon bootup are almost always caused by:
> (1) Disk drives drive(s) dragging power supply voltage down as they
> spin up. Reboots will work without errors.
> (2) Improper termination of cables.
> (3) Too many devices on the SCSI bus.
>
> This Adaptec controller will not reliably drive more than 4 devices even
> though it is supposed to do so. This is why I went to BusLogic. The
> bus interface chip has a relatively high output impedance.
>
> Make very sure that the termination resistor(s) are powered! It is easy
> to blow the fuse on the controller board by connecting a SCSI cable
> backwards. Just enable "termpwr", but NOT termination, on all your
> SCSI devices. This will make sure that the terminator(s) are powered
> even if the fuse on the controller is blown.
>
> Cheers,
> Dick Johnson
> ***** FILE SYSTEM MODIFIED *****
> Penguin : Linux version 2.1.103 on an i586 machine (66.15 BogoMips).
> Warning : It's hard to remain at the trailing edge of technology.
>
>
>
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