Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 18 Feb 2000 17:07:41 -0500
From:      Doug Ledford <dledford@redhat.com>
To:        Philipp Scherer <scherer@venus.t30.physik.tu-muenchen.de>
Cc:        aic7xxx@FreeBSD.ORG
Subject:   Re: timeout hang on boot
Message-ID:  <38ADC2AD.56B90FB2@redhat.com>
References:  <38AE29CD.7E24@venus.t30.physik.tu-muenchen.de>

next in thread | previous in thread | raw e-mail | index | archive | help
Philipp Scherer wrote:
> 
> I do not believe that it is a termination problem.
> The transfer speed of the u2w  disk was reduced to
> 40 as in the scsi bios negotiate wide was switched off
> for the host adapter (id7) and as suspected this
> limited everything to 40.

Disabling Wide negotiation on the controller, id7, in the SCSI BIOS has
absolutely no effect what so ever  on the speed your drive negotiates at.

> But the problem with the CD´s is still present.
> Probably it is a problem of the cd driver.


> Feb 18 18:44:32 kellerassel kernel: (scsi0:0:3:0) Parity error during
> Data-In phase.
> Feb 18 18:44:32 kellerassel last message repeated 2 times

The CD driver doesn't have anything to do with parity errors, that's bus
problems.  Your devices are slowing down after you've used them because you
are getting errors on the SCSI bus.  That's to be expected.

-- 

 Doug Ledford <dledford@redhat.com>  http://people.redhat.com/dledford
      Please check my web site for aic7xxx updates/answers before
                      e-mailing me about problems


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe aic7xxx" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?38ADC2AD.56B90FB2>