On Sat, 24 Jan 1998, Colin Wood wrote:

> Mark Andres wrote:
> > 
> > Try using the GENERICSBC kernel instead. If you are usiang any removeable
> > media like JAZ, ZIP, Sysquest, MO, etc. drives, you are usually much
> > better off with an SBC kernel. When I tried to use my MO drive under
> > NetBSD, I got the same crash you got with a GENERIC kernel. Using the SBC
> > kernel does the trick.
> > 
> > On Thu, 22 Jan 1998, Capt. Avram Dorfman wrote:
> > 
> > > I'm trying to run NetBSD 1.3 on a Quadra 610, off of a Jaz drive. It 
> > > boots up fine (usually), and runs for a little while, but it always 
> > > eventually crasshes into the debugger w/ a message like 
> > > 
> > > 	vm fault
> > > 	trap: type 0x8
> > > 	kernel: MMU fault trap
> > > 	stopped @ _debug +0x6 unlk 96
> 
> He's using a Quadra 610, which has an ncr53c96 SCSI controller chip, so
> useing an SBC kernel won't make a bit of difference.  I think that Allen
> is aware of a problem with removable media and the esp driver and is
> working on a fix for it (although I don't know if the above error is a
> result of this problem).

I am getting the same symptom on any access to my Quantum Fireball 3.2G.
The 1080M Fireball is also a little flakey. The machine is a P636,
now running 1.3B. The Nomai 540M works fine--and it's the only removable.