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>
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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
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