Subject: Re: Fun with a 3100/30
To: Roger Ivie <IVIE@cc.usu.edu>
From: David Brownlee <abs@anim.dreamworks.com>
List: port-vax
Date: 08/18/1999 11:49:52
	Since the 1.4.1-pre set Ragge fixed another paging bug which
	should make low memory machines much more stable.

	I'm just in the process of finishing off the install notes
	for 1.4.1 - I'll get a kernel uploaded RSN (Real Soon Now).

On Wed, 18 Aug 1999, Roger Ivie wrote:

> I've been futzing around with NetBSD on this 3100/30 for a while now and
> I have been getting nowhere. As soon as I turn on swapping it's all over.
> 
> With the trimmed miniroot, I can do anything I like as long as it's not
> large. I can FTP files, mount disks, initialize filesystems, etc. etc.
> As soon as I enable swapping, things stop working. FTP is no longer able
> to fetch files, for instance. I tried FTPing over the fstab from my
> NetBSD PC, but the transfer never completed. FTP continuously drew a
> blank bar chart with zero bytes transferred. However, if I don't enable
> swapping I can FTP files all day long (and it takes all day, too).
> 
> With the kernel distributed in the 1.4.1 kern.tgz distribution, I see
> segment faults shortly after swap is enabled. When the system attempts
> to drop into single user mode, I'm told there's a syntax error in
> nsswitch.conf. Nevertheless, if I boot this kernel in single-user mode
> (using "boot rom()netbsd -sd"), I can fiddle around with the system all
> day as long as I don't enable swapping.
> 
> With the netbsd.generic.gz kernel from
> ftp://ftp.netbsd.org/pub/NetBSD/arch/vax/snapshot/1.4.1-pre/binary/kernel/
> which has been "updated to include the disconnect fix for the ncr SCSI
> drive", the system seems to hang immediately after printing
> "swapctl: adding /dev/sd0b as swap device at priority 0". I've let the
> machine sit overnight and it has done nothing after printing that message.
> 
> My current configuration is:
>   - 3100/30 with 4MB RAM
>   - Dual SCSI controller
>   - Iomega JAZ drive as DKA400:, from which I am currently booting.
>   - Conner 1GB drive as DKB0:
>   - VT220 as serial console
> 
> Looks like I'm gonna haveta punt and fall back to my MicroVAX II.
> 
> Roger Ivie
> ivie@cc.usu.edu
> 


		David/absolute

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