Subject: Re: SCSI timeouts too small for tapes
To: VaX#n8 <vax@linkdead.paranoia.com>
From: Matthew Jacob <mjacob@feral.com>
List: tech-kern
Date: 12/15/1998 13:48:20
What tape drive?

On Tue, 15 Dec 1998, VaX#n8 wrote:

> When performing erase commands, I have noticed that the command exits about
> two minutes into the erasing, no console logging is done, and then when the
> drive actually completes, the NCR controller gives a SCSI phase error fixup
> (CCB 0xdeadbeef already dequeued).  Then the bus locks up.
> I assume that this is because of a hard-coded timeout.
> Is this a correct analysis?
> If so, where is the code located or how do I adjust it?
> 
> At first I thought this was an electrical problem.
> It has caused me headaches for weeks.
> 
> Similarly, if an offline command causes a rewind and then an eject
> if activity occurs on the bus between the rewind and eject, it
> locks up.
>