From owner-aic7xxx Wed Feb 17 9:15:26 1999 Delivered-To: aic7xxx@freebsd.org Received: from wallace.gemplus.fr (wallace.gemplus.fr [195.25.133.203]) by hub.freebsd.org (Postfix) with SMTP id 7C305111F2 for ; Wed, 17 Feb 1999 09:15:11 -0800 (PST) (envelope-from rousseau@wallace.gemplus.fr) Received: (qmail 13813 invoked by uid 10); 17 Feb 1999 17:15:09 -0000 Received: (qmail 2472 invoked by uid 1000); 17 Feb 1999 17:01:11 -0000 Date: Wed, 17 Feb 1999 18:01:11 +0100 From: Ludovic Rousseau To: aic7xxx@FreeBSD.ORG Cc: Ludovic Rousseau Subject: more than two U2 disks on a 2940U2W ? Message-ID: <19990217180111.A1968@wallace.gemplus.fr> Mail-Followup-To: aic7xxx@FreeBSD.ORG Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95i Sender: owner-aic7xxx@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org My problem is as follows: I have Linux 2.2.1 and an Adaptec 2940 U2W and three U2 disks on it. I can use the first and the third disk of the channel but not the second one. I have the error: Feb 16 20:55:50 shaun kernel: scsi : aborting command due to timeout : pid 11504, scsi0, channel 0, id 2, lun 0 Read (6) 00 02 d2 78 00 Feb 16 20:55:51 shaun kernel: SCSI host 0 abort (pid 11504) timed out - resetting Feb 16 20:55:51 shaun kernel: SCSI bus is being reset for host 0 channel 0. I have swaped the second and third disk and the problem is still the same with the second disk. I also have two other 2940 U2W cards with 4 and 8 disks on them. The problem is roughly the same. with 3 disks (number is rank on the SCSI bus) 1 ok 2 not ok 3 ok with 4 disks 1 ok 2 not ok 3 not ok 4 ok with 8 disks (in an external box) 1 ok 2 not ok 3 not ok 4 ok 5 ok 6 not ok 7 not ok 8 ok I use 'dd of=/dev/null if=/dev/sd?' to test my disks. The disks works fine on the UW internal connector of the 2940 cards. Where should I look at ? I have upgraded the Adaptec firmware from 2.10 to 2.11 but that does not cure the problem. Is it a problem with: - the cables - the terminators - the Linux driver Thank you -- Ludovic Rousseau Ludovic.Rousseau@wallace.gemplus.fr -- Normaliser Unix c'est comme pasteuriser le Camembert, L.R. -- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe aic7xxx" in the body of the message