From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 9adbd0bc for ; Wed, 2 Oct 2019 14:03:22 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 364009BC5C; Thu, 3 Oct 2019 00:03:21 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id EC9529BA9E; Thu, 3 Oct 2019 00:03:01 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="key not found in DNS" (0-bit key; unprotected) header.d=smtpservice.net header.i=@smtpservice.net header.b="y2pJ5aMV"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 42DF69BA9E; Thu, 3 Oct 2019 00:03:00 +1000 (AEST) Received: from a1i75.smtp2go.com (a1i75.smtp2go.com [43.228.184.75]) by minnie.tuhs.org (Postfix) with ESMTPS id 547659B8EF for ; Thu, 3 Oct 2019 00:02:59 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=smtpservice.net; s=m33y30.a1-4.dyn; x=1570025879; h=Feedback-ID: X-Smtpcorp-Track:To:Message-Id:Reply-To:Date:From:Subject:Sender: List-Unsubscribe; bh=W3zLRAcq3P6U3I+JfTPJFherbO9T+pZcyD6rygGKcZg=; b=y2pJ5aMV NEdCgIS2NZO7KIuDdGG0Hq6CLvr+V7IIjAP8kMl77jc/wPvy98ldbKFxjfaUoF4IRe3X8XNWq49pk Uf+kk0cKppZOxG1XxygAVqtUbAGBAE63ebmdJVi7XRXud7mPQ1+frCItVg9LKK0kkxl0LLdBO49z0 uucgaSapE3oc9CCkn3dko9zcCIDWCGzcaIMUpGa4cWmnxjL7PKfV42IC84SAFlu0gqdXxx1zz3qKz f7iBJ3OxlPrL7B52Vv1Z5XVNUy8t047norJy80DGqX2+T3H83ZD4V95n/FjNDeEWrDkzQsYLTrhaT H9/HpaxvDVYGtJax7Hd6stZX4Q==; Received: from [10.66.228.43] (helo=SmtpCorp) by smtpcorp.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92-S2G) (envelope-from ) id 1iFfDQ-Wxjtmy-FS; Wed, 02 Oct 2019 14:02:52 +0000 Received: from [10.107.193.50] (helo=kdbarto.org) by smtpcorp.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92-S2G) (envelope-from ) id 1iFfDP-wSEQjs-P0; Wed, 02 Oct 2019 14:02:52 +0000 Received: from [192.168.2.10] (unknown [192.168.2.10]) by kdbarto.org (Postfix) with ESMTPS id CD1C8F296CD; Wed, 2 Oct 2019 07:02:48 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Content-Type: multipart/alternative; boundary="Apple-Mail=_B938E0EA-ECDA-44C1-AF3C-17EE3B6BC56F" From: David In-Reply-To: Date: Wed, 2 Oct 2019 07:02:48 -0700 Message-Id: <1C43D25F-8A26-4922-B74C-B14B6D2C1725@kdbarto.org> References: To: Clem Cole X-Mailer: Apple Mail (2.3124) X-Smtpcorp-Track: 1iFfDewSEQMse0._J4m1N3vo Feedback-ID: 145083m:145083a-yaNWS:145083sF5w23Y9ew X-Report-Abuse: Please forward a copy of this message, including all headers, to Subject: Re: [TUHS] DG/UX details? X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: david@kdbarto.org Cc: The Eunuchs Hysterical Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --Apple-Mail=_B938E0EA-ECDA-44C1-AF3C-17EE3B6BC56F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 I have to agree with Clem here. I ported multiple device drivers for = custom boards to DG/UX and it was nicely done at the lower levels. The documentation was excellent and the field service reps were more = than helpful when I walked into strange corners that didn=E2=80=99t = perfectly mesh between SunOS 4.X and DG/UX. David > On Oct 2, 2019, at 6:50 AM, Clem Cole wrote: >=20 >=20 >=20 > On Tue, Oct 1, 2019 at 7:00 PM Chris Hanson = > wrote: > I=E2=80=99ve seen it said a couple of places that the DG/UX kernel was = an almost complete rewrite and rather well-done. > Indeed - we worked with it at Locus and was one of the simplest = kernels to add things too. The locks were easy to understand and it was = well documented/thought out. >=20 > Have any details been preserved? There=E2=80=99s not a whole lot out = there that I=E2=80=99ve been able to find about DG/UX or the AViiON = workstation series (whether 88K or Intel x86). > Never seen it in the wild, sadly. Hope it does appear at some point. > =20 >=20 > -- Chris >=20 > PS - I=E2=80=99ve found that my asking around has prompted some = people to put things online, so may as well keep asking in various = places. :) > +1=20 --Apple-Mail=_B938E0EA-ECDA-44C1-AF3C-17EE3B6BC56F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 I have to agree with Clem here. I ported multiple device = drivers for custom boards to DG/UX and it was nicely done at the lower = levels.

The = documentation was excellent and the field service reps were more than = helpful when I walked into strange corners that didn=E2=80=99t perfectly = mesh between SunOS 4.X and DG/UX.

David

On = Oct 2, 2019, at 6:50 AM, Clem Cole <clemc@ccc.com> wrote:



On Tue, Oct 1, 2019 at 7:00 PM Chris = Hanson <cmhanson@eschatologist.net> wrote:
I=E2=80=99ve seen it said a couple of = places that the DG/UX kernel was an almost complete rewrite and rather = well-done.
Indeed - we worked with = it at Locus and was one of the simplest kernels to add things too.  = The locks were easy to understand and it was well documented/thought = out.

Have any details been preserved? There=E2=80=99s not a whole lot out = there that I=E2=80=99ve been able to find about DG/UX or the AViiON = workstation series (whether 88K or Intel x86).
Never seen it in the = wild, sadly.  Hope it does appear at some point.
 

  -- Chris

PS - I=E2=80=99ve found that  my asking around has prompted some = people to put things online, so may as well keep asking in various = places. :)
+1 

= --Apple-Mail=_B938E0EA-ECDA-44C1-AF3C-17EE3B6BC56F--