From owner-freebsd-questions Sun Apr 4 10:48:47 1999 Delivered-To: freebsd-questions@freebsd.org Received: from alecto.physics.uiuc.edu (alecto.physics.uiuc.edu [130.126.8.20]) by hub.freebsd.org (Postfix) with ESMTP id 1427115018; Sun, 4 Apr 1999 10:48:42 -0700 (PDT) (envelope-from igor@alecto.physics.uiuc.edu) Received: (from igor@localhost) by alecto.physics.uiuc.edu (8.9.0/8.9.0) id MAA17537; Sun, 4 Apr 1999 12:46:40 -0500 (CDT) From: Igor Roshchin Message-Id: <199904041746.MAA17537@alecto.physics.uiuc.edu> Subject: Re: no active SCB; BUS DEVICE RESET In-Reply-To: from "Scott Drassinower" at "Apr 4, 1999 0:25:59 am" To: scottd@cloud9.net (Scott Drassinower) Date: Sun, 4 Apr 1999 12:46:40 -0500 (CDT) Cc: gladiatr@sunflower.com, patseal@hyperhost.net, freebsd-questions@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I have seen similar behaviour with (ahc0:0:0): "QUANTUM TRB850S 0405" type 0 fixed SCSI 2 in combination with Adaptec 2940UW, but that was yet with the 2.1-STABLE I am not sure how relevant it is to the current problem, but at that time I was told that it was due to imperfect driver for the ahc (which was fixed since that - somewhere in 2.2.x), and/or due ot a "bad" combination of 2940 with Quantum HDD, where the later was not responding correctly at times - when the i/o was at high level. Igor > > I see the same problem with a pair of Quantum Viking II U2W disks on an > Adaptec controller. The notices seem to be less frequent with 3.1-RELEASE > than 3.0, but are still there. > > It could be that Quantum has updated firmware for these beasts, but I > wonder if there is something in the ahc0 driver that might be a little > wacky. This is the 7890 chipset on an Asus P2B board of some sort. > > -- > Scott M. Drassinower scottd@cloud9.net > Cloud 9 Consulting, Inc. White Plains, NY > +1 914 696-4000 http://www.cloud9.net > > On Sat, 3 Apr 1999, SDS wrote: > > > On Sat, 3 Apr 1999, Patrick Seal wrote: > > > > > da0: Fixed Direct Access SCSI-2 device > > > da0: 20.000MB/s transfers (10.000MHz, offset 8, 16bit), Tagged Queueing > > > Enabled > > > da0: 4095MB (8388315 512 byte sectors: 255H 63S/T 522C) > > > > > > > Patrick, > > > > Yup. Gotta love it. Feel ripped off yet? I had a Micropolis 2 GB drive > > that had the same problem. It's the firmware. And there's nothing that > > can be done as Micropolis is no longer (as you undoubtedly know). This > > problem is not OS or architecture specific. I tried the damned thing in a > > SPARC, with different SCSI controllers, a Windows 95 machine (!!!) and > > finally ended up dumping it in an old 286 w/ an old ISA controller > > running DOS (and it will still periodically crash). At least FreeBSD offers > > some diagnostic messages (the others would just lock up) > > > > It seems that this drive cannot handle dis/reconnects properly. I fought > > with my drive for 2 years. Save your strength... > > > > Regards, > > Stephen > > > > Don't worry about the future. Stephen Spencer > > Or worry, but understand that worrying Lawrence, KS > > is about as effective as trying to solve gladiatr@sunflower.com > > an algebra equation by chewing bubble gum. -lee perry > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-stable" in the body of the message > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message