timeout hang on boot

Doug Ledford dledford at redhat.com
Fri Feb 18 14:12:59 PST 2000


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


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