Ultrix-11

[Warner Losh]

On Thu, Aug 19, 2021, 7:33 AM Bill Gunshannon <bill.gunshannon at hotmail.com>
wrote:

> On 8/18/21 11:42 PM, Warner Losh wrote:
> >
> >
> > On Wed, Aug 18, 2021 at 6:11 PM Bill Gunshannon via cctalk
> > <cctalk at classiccmp.org <mailto:cctalk at classiccmp.org>> wrote:
> >
> >     On 8/16/21 2:55 PM, js--- via cctalk wrote:
> >      >
> >      >
> >      > On 8/15/2021 10:08 AM, Bill Gunshannon via cctalk wrote:
> >      >> On 8/15/21 12:45 AM, Warner Losh via cctalk wrote:
> >      >>>
> >      >>> Distributions/DEC/Ultrix-11/Fred-Ultrix3 in the tuhs archive has
> >      >>> complete
> >      >>> instructions as well as a program to build the ultrix tapes
> >      >>>
> >      >>
> >      >> It took a day because I wanted to test it but I have a TK50
> >     image that
> >      >> works with SIMH.  I did an install on an 11/73 with 3M of memory
> and
> >      >> two RD54's.  Worked fine.  It's been a while since I did any
> >     Ultrix-11
> >      >> on real or simulated hardware.
> >      >>
> >      >> Have no idea how to get this tape to anyone.  It's just shy of
> >     4M. Not
> >      >> sure if it could be emailed.  The SIMH ini file is trivially
> >     simple but
> >      >> I could provide that as well.
> >      >>
> >      >> I have nowhere I could put it up for download.  I don't do
> >     things like
> >      >> Google Drive.  Maybe we need a GITHUB site or something for
> >     Ultrix stuff.
> >      >>
> >      >> bill
> >      >
> >      >
> >      > Bill's file is at:
> >      >
> >      > http://www.cimmeri.com/js/download/ultrix-11/
> >     <http://www.cimmeri.com/js/download/ultrix-11/>
> >      >
> >
> >     So, anybody got a system running from that tape yet?
> >
> >     (Other than me :-)
> >
> >
> > Does this count? I named it bill because I wasn't sure which version it
> > was :)
> > And I did it from tape, not RX-50s and swapping 31 of them in/out with
> > simh... And I couldn't get 11/73 to work (I think my simh has a
> regression
> > there), but 11/83 worked just fine.
>
> Interesting.  In the last couple days I have done 11/73, 11/83 and
> 11/44.  All worked fine.
>

I'm using the latest from github, so maybe I've found a regression.

>
> > ULTRIX-11 System V3.1 (bill)
> >
> > login: root
> >
> > Welcome to the ULTRIX-11 System
> >
> > erase = delete, kill = ^U, intr = ^C
> > bill# uname -a
> > ULTRIX-11 bill 3 0 PDP-11/83
> > bill# df
> > Filesystem    total    kbytes  kbytes  percent
> >     node       kbytes    used    free   used    Mounted on
> > /dev/rd00       4654    3076    1578    66%    /
> > /dev/rd01       8302    7708     594    93%    /usr
> > bill#
> >
>
> test1# uname -a
> ULTRIX-11 test1 3 0 PDP-11/44
> test1# df
> Filesystem    total    kbytes  kbytes  percent
>     node       kbytes    used    free   used    Mounted on
> /dev/ra00       4606    3080    1526    67%    /
> /dev/ra01       9598    2848    6750    30%    /usr
> /dev/ra03     423041    8773  414268     2%    /user1
> /dev/ra17     440941    3678  437263     1%    /user2
> /dev/ra27     440941       2  440939     0%    /user3
> /dev/ra37     440941       6  440935     0%    /user4
> test1# dmesg
>
> Feb 14 09:00
> ...
>
> ULTRIX-11 Kernel V3.1
>
> realmem = 3932160
> buffers = 25600
> clists  = 1600
> usermem = 3772992
> maxumem = 212992
>
>
> > But I did something wrong... It prompts me for the load device on each
> > reboot.
>
> Nothing wrong it does that.  I don't think it goes away until after
> you build a new custom kernel.  You will need that for networking
> anyway.  Hope your good with overlays.  :-)
>
>
> >
> > sim> boot rq0
> >
> > Sizing Memory...
> >
> > Boot: rd(0,0)unix    (CTRL/C will abort auto-boot)
> >
> > Load device (? for help, <RETURN> if none) < ht tm ts tk rx rl rc > ? tk
> >
> > rd(0,0)unix:
> >
> 14784+17024+8192+8000+8064+8000+8064+8128+8000+7808+7936+7936+7680+7360+1344
> >
> > ULTRIX-11 Kernel V3.1
> > ...
> >
> > (and I think my simh is a bit wonky because it doesn't quite work: it
> > hangs from time to time, but only after a reset)
> >
>
> Mine has been stable so far.  Doesn't really get unstable till you
> add networking.  :-)
>
> I am running on this:   PDP-11 simulator V3.8-1
>
> Now that people have made me interested again I think it's time
> to get the source loaded and look into what it takes to build
> install kits on other media.
>
> I never really did much with Ultrix-11 on SIMH, mostly on real
> hardware.  That's where I did all the testing when I first figured
> out how to take the files from the archive and build a tape.  The
> original was TS02 but I later used Fred's setup to make the TK50.
> Being as this is the only OS that can legally be used I would
> expect more activity.  First thing is to try and find my improved
> date command that lets you set dates after 1999.  :-)
>

Networking seems to have been added in 3.0 looking at the SPD.

And I have patches to V7 date for this I've been using with Venix on my
Rainbow.

Wish we had a list for Ultrix-11 specifically. Might be a lot of fun.
>

Maybe :)

Warner

bill
>