Yep.  It happens on my IIci (68030) with NCR SCSI driver.  Kernel
compiled with -O2...

On Mon, 14 Dec 1998, Allen Briggs wrote:

> > The only panic in fstat it when the file is not a vnode or a socket...
> > What the hell is it then?
> 
> In my case, it was zero.  I think that something is getting corrupted on
> access to the second disk.  If I have a kernel that is doing this, I get
> a panic during fsck if I forget to boot single-user.  I have root on
> sd0a and /u on sd1g.  When I boot, I get (from memory):
> 
> /dev/sd0a: filesystem clean; not checking (or whatever)
> NO WRITE ACCESS
> /dev/sd1g: unexpected inconsistency; run fsck(8) by hand (or whatever)
> panic: uvm_fault...
> 
> When using the first disk, though, everything seems to be OK.  I haven't
> beat on it too heavily, but it seems to be OK until I touch the second
> disk...  (although the probe doesn't seem to affect anything--at least
> nothing serious)
> 
> I'm using the esp driver (dev/ic/ncr53c9x.c and arch/mac68k/obio/esp.c)
> on the 68040 processor, but it sounds like this is also happening with
> the sbc (5380) driver on a 68030 processor.
> 
> -allen
> 
> -- 
>                     Allen Briggs - briggs@ninthwonder.com
>        Try free *nix: http://www.netbsd.org/, http://www.freebsd.org/,
> 		      http://www.linux.org/, http://www.openbsd.org/
> 

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