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VAX hanging (during boot?) with current on SIMH



Hi!

I neglected automated testing of the ISO images for some months now,
focusing to actually extend my setup quite a lot. When I now started
to clean up my expect script to install a fresh SIMH VM, I noticed
that it ran into a timeout during boot while waiting for SSH keys
being created on the first start. (I'm used to use a readily prepared
disk images with writeable overlays as easily spawnable throw-away
instances.)  Booting the disk/VM manually to finalize the SSH hostkey
setup, it seems to be hanging again after:

Clearing temporary files.
Checking quotas: done.
Setting securelevel: kern.securelevel: 0 -> 1
swapctl: setting dump device to /dev/ra0b
Starting virecover.
Checking for core dump...
savecore: no core dump
Starting local daemons:.
Updating motd.
Starting ntpd.


I cannot remember seeing instability when running under SIMH in the
time before...  Config is like this:

	SHOW    VERSION
	SET     CPU     512m
	SET     CPU     SIMHALT
	SET     CPU     idle=netbsd
	SET     RQ0     FORMAT=VHD
	SET     RQ0     rauser
	ATTACH  RQ0     disk.vhd
	SET     XQ      mac=08-00-2b-72-b0-43
	ATTACH  XQ      tap:t_08002b72b043
	ATTACH  nvr     nvram.bin
	DEP     BDR     0
	SHOW    CONFIG
	
	BOOT    CPU
	EXIT

SIMH didn't see many commits recently (and those seem to be really out of reach
for hanging a simulated VAX), so I guess something in NetBSD broke. Has anybody
experienced the same thing for current?  Unfortunately, having thrown away
older build artifacts and logs, I cannot easily deduce a "good" point in recent
history. So I'd probably just bisect through the last six to nine months or the
like.

  (The current effort to revive fresh SIMH VMs being installed is due
to my effort to look at the ~ 30 open port-vax tickets, trying to get
as many as possible solved, analyzed, or closed due to being outdated
by now.)

MfG, JBG

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