From owner-aic7xxx Wed Jun 16 2: 3:33 1999 Delivered-To: aic7xxx@freebsd.org Received: from ronly.co.uk (rongw1.ronly.co.uk [194.126.70.65]) by hub.freebsd.org (Postfix) with ESMTP id 467DA151AB for ; Wed, 16 Jun 1999 02:03:27 -0700 (PDT) (envelope-from nt@dataskill.co.uk) Received: by ronly.co.uk id m10uBcF-00013eC (Debian Smail-3.2 1996-Jul-4 #3); Wed, 16 Jun 1999 10:04:15 +0100 (BST) Received: from dsl1.dataskill.co.uk(10.1.1.1) by rongw1.ronly.co.uk via smap (V1.3) id sma015284; Wed Jun 16 10:04:02 1999 Received: from dataskill.co.uk ([10.1.2.51]) by dataskill.co.uk with esmtp id m10uBbp-000H4PC (Debian Smail-3.2 1996-Jul-4 #1); Wed, 16 Jun 1999 10:03:49 +0100 (BST) Message-ID: <37676874.8F04B662@dataskill.co.uk> Date: Wed, 16 Jun 1999 10:03:49 +0100 From: Nick Taylor Organization: Dataskill X-Mailer: Mozilla 4.5 [en] (X11; I; Linux 2.0.36 i686) X-Accept-Language: en MIME-Version: 1.0 To: aic7xxx@freebsd.org Subject: aic3940 with SuSE 6.0 (kernel 2.0.36) References: <199906160802.KAA12062@monet.prism.uvsq.fr> Content-Type: multipart/alternative; boundary="------------6D16C2A0A58500631E847A76" Sender: owner-aic7xxx@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org --------------6D16C2A0A58500631E847A76 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Further to my earlier posting with the stupid subject of FAQs. Here's more info: Have attached files in /proc/scsi/aic7xxx/* (Sorry if atttachments are pain but don't know how to import files into Netscape) System 2940 currently only running a tape, 3940 with 4Gb Quantum on Channel A & 9Gb QuantumViking II on B. Full symptoms - System seems OK until second drive used extensively (eg mkfs) and then hangs with no visible messages and drive ligh on on second drive. Have tried kernel 2.2.5 with aic v5.1.5 but they all seem to do the same. TCQ is off by default - Turning on makes things worse, hangs during boot phase. All was fine with SuSE 5.2, but I need to upgrade now because of libc6 apps. Many thanks for prompt suggestions so far Nick --- Eric NOULARD wrote: > > From owner-aic7xxx@FreeBSD.ORG Wed Jun 16 09:54:58 1999 > > Delivered-To: aic7xxx@freebsd.org > > From: Nick Taylor > > Hi > > > > Are there any FAQs or digests available for this list? I have a problem > > with system hanging with SuSE 6.0 and 3940, it was fine under 5.2. It > > may be something to do with Quantum 9Gb drive?? There appears to be > > something that has changed that my config doesn't like. > > May be you could check if TCQ (tagged command queueing) in aic7xxx > is enabled by default with the kernel you use since I think some quantum > drive are buggy with this feature (if the depth of the queue is larger than > the number of command the drive can handle, check README.aic7xxx in the linux source) > > You could check if TCQ is enabled in /proc/scsi/aic7xxx/?. > > Eric -- Nick Taylor mailto://nt@dataskill.co.uk Dataskill, London, England mailto://webmaster@reflexology.org HOME OF REFLEXOLOGY http://www.reflexology.org --------------6D16C2A0A58500631E847A76 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Further to my earlier posting with the stupid subject of FAQs.

Here's more info:

Have attached files in /proc/scsi/aic7xxx/* (Sorry if atttachments are pain but don't know how to import files into Netscape)

System 2940 currently only running a tape, 3940 with 4Gb Quantum on Channel A & 9Gb QuantumViking II on B.
Full symptoms - System seems OK until second drive used extensively (eg mkfs) and then hangs with no visible messages and drive ligh on on second drive.

Have tried kernel 2.2.5 with aic v5.1.5 but they all seem to do the same.

TCQ is off by default - Turning on makes things worse, hangs during boot phase.

All was fine with SuSE 5.2, but I need to upgrade now because of libc6 apps.

Many thanks for prompt suggestions so far

Nick
---

Eric NOULARD wrote:

> From owner-aic7xxx@FreeBSD.ORG Wed Jun 16 09:54:58 1999
> Delivered-To: aic7xxx@freebsd.org
> From: Nick Taylor <nt@dataskill.co.uk>
> Hi
>
> Are there any FAQs or digests available for this list? I have a problem
> with system hanging with SuSE 6.0 and 3940, it was fine under 5.2. It
> may be something to do with Quantum 9Gb drive?? There appears to be
> something that has changed that my config doesn't like.

        May be you could check if TCQ (tagged command queueing) in aic7xxx
is enabled by default with the kernel you use since I think some quantum
drive are buggy with this feature (if the depth of the queue is larger than
the number of command the drive can handle, check README.aic7xxx in the linux source)

        You could check if TCQ is enabled in /proc/scsi/aic7xxx/?.

        Eric

-- 
Nick Taylor   mailto://nt@dataskill.co.uk   Dataskill, London, England
mailto://webmaster@reflexology.org
HOME OF REFLEXOLOGY   http://www.reflexology.org
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