Date: Tue, 22 Apr 1997 08:30:09 -0400 (EDT) From: Steve <shovey@buffnet.net> To: John-David Childs <jdc@denver.net> Cc: hardware@freebsd.org, questions@freebsd.org Subject: Re: Yet another Adaptec 2940UW problem :( Message-ID: <Pine.BSI.3.95.970422082700.24785G-100000@buffnet11.buffnet.net> In-Reply-To: <Pine.BSD/.3.91.970422004211.5280E-100000@milehigh.denver.net>
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I have a pentium 133 (or is it a 166) I forget, with that scsi controller
and I have no problems under 2.1.5.
I did have problems with lockups and panics when I first put it together -
the mother board is a triton HX, and there was a cmos jobber I had to turn
off - I cant remember exactly what it as called. Something to the effect
of Enable HX special features - or something close - the 'special
features' apparently are what was doing me.
I have 2 2940UW controllers, each running 2 4 wide giggers on a high
volume news server - they do not run any non wide units, or non disks.
On Tue, 22 Apr 1997, John-David Childs wrote:
> I recently purchased a Pentium-Pro 200 (I found back in September that
> Jordan made mention of "PPRO 200Mhz and new Intel 82440fx
> problems"...which is to a T the system I have), 64MB parity RAM, Adaptec
> 2940UW SCSI controller, 2 IBM Ultrastar 4.3GB Ultrawide SCSI drives, a Jaz
> drive, IDE CD-ROM (why for god's sake I did that instead of a SCSI CD-ROM
> I can't figure out ;( etc. for use as a server...and spent all day trying
> to get the darn thing working with 2.1.7 FreeBSD! If only I'd read the
> archives *before* spending $5000 on a server :(
>
> The biggest problem I had seems to be a common one with the Adaptec 2940...
> reference kern/3312 and kern/1296 for adaptec 2940 "timeout while
> {devicein, deviceout, idle}". Searching through the mailing-list
> archives, I found recommendations to 1) disable sync, 2) disable disconnect,
> 3) slow the MB/sec transfer rate, 4) disable wide negotiation, 5)turn of
> "ultra" negotiation, and of course 6)check cabling,termination. I also
> formatted/verified the drives via the Adaptec BIOS SCSI-Select Utility.
>
> I also tried adjusting the Jaz drive's MB/sec, and disabling ultra/wide
> transfers as appropriate for that device while leaving the other settings
> for the IBM UW drives alone....no luck.
>
> I've done all of the above. The server isn't even in "real" use yet and
> panicked five times today during relatively light transfers.
> Any suggestions on a replacement SCSI controller which works better??
> Hellp!!! I hate looking like a fool and having my employers whine about
> "they should have gone with..."
> --
>
> John-David Childs (JC612) http://www.denver.net
> System Administrator jdc@denver.net
> & Network Engineer Think, Listen, Look, then ACT!
> "A verbal contract isn't worth the paper it's written on" - Louis B Mayer
>
>
>
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