Date: Tue, 3 Feb 1998 15:51:34 +0100 (MET) From: Hubert Mantel <mantel@suse.de> To: Doug Ledford <dledford@dialnet.net> Cc: aw@ind.rwth-aachen.de, AIC7xxx@FreeBSD.ORG Subject: Re: Re[2]: Problems with AHA2940UW and external RAID Message-ID: <Pine.LNX.3.96.980203154417.20904m-100000@Mandelbrot.suse.de> In-Reply-To: <199802031238.GAA21171@dledford.dialnet.net>
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Hi, On Tue, 3 Feb 1998, Doug Ledford wrote: > > I disabled both Wide and Synchronous negotiation on the RAID drive (ID > > 1) in the Adaptec's BIOS but this was not the solution. The same > > problems occur. > > > > If I use DOS, I can communicate with the RAID-System, therefore this > > seems to be a real problem of the Linux SCSI-driver and not of the > > RAID drive or the controller. Also, I can use low-level format and > > verify of the Adaptec's BIOS > > At this point we are down to only a few possibilities left. We've > disabled sync and wide negotiation, so that isn't it, we aren't using > tagged queueing yet so that isn't it, and the only things that should > have taken place with that device on the bus are a TEST_UNIT_READY > command and that's it. The command it hangs on is the INQUIRY command. > We're kinda down to only a few things left. That device simply doesn't > like some timing issue in the sequencer, it doesn't like our INQUIRY > command from the mid level SCSI code, or possibly it has something to do > with the Disconnect priviledge. The first two are the hardest ones to > change, so let's try going into the Adaptec SCSI BIOS again and this time > switch the disconnection enabled to disconnection disabled (or vice-versa > depending on what it currently is) and see if that makes a difference. FWIW, I had a very similar support question some time ago, and the problem of the customer went away after upgrading the firmware of the RAID controller. As the original poster is from germany, I quote something from the original answer: ---- Der Raid-Controller der Firma Infortrend Typ IFT-3102U muss um mit einem Adaptec 2940 UW Controller zusammenarbeiten mindesten die Firmwareversion 1.31 besitzen, sonst führt das SCSI-Target Inquiry zum SCSI-BUS hang. Das Update der Firmware ist via E-Mail unter support@infortrend.com zu bestellen! ---- He also had the problem that the Inquiry led to a SCSI bus hang. > Doug Ledford <dledford@dialnet.net> hope it helps, Hubert
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