From owner-freebsd-scsi Thu Jul 2 01:48:02 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id BAA08666 for freebsd-scsi-outgoing; Thu, 2 Jul 1998 01:48:02 -0700 (PDT) (envelope-from owner-freebsd-scsi@FreeBSD.ORG) Received: from net.kitel.co.kr ([210.102.35.21]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id BAA08609 for ; Thu, 2 Jul 1998 01:47:59 -0700 (PDT) (envelope-from swjeong@net.kitel.co.kr) Received: (from swjeong@localhost) by net.kitel.co.kr (8.8.8H1/8.8.8) id RAA04249 for freebsd-scsi@freebsd.org; Thu, 2 Jul 1998 17:47:52 +0900 (KST) Date: Thu, 2 Jul 1998 17:47:52 +0900 (KST) From: swjeong Message-Id: <199807020847.RAA04249@net.kitel.co.kr> To: freebsd-scsi@FreeBSD.ORG Subject: Re: [Q] double-ending SCSI RESET problem Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > > > > On Thu, 2 Jul 1998, swjeong wrote: > > > >> > >> After machine A boot, I booted machine B. > >> In the middle of kernel-autoconfiguration-stage, > >> many 'Someone reset channel A' messages occurs on machine A. > >> Then A panics, if with luck, A remains alive. > > > > Yes, because there is no support for multiple hosts on the same bus. > > Host B resets the bus, interupting stuff that host A is doing. > > > > Tom > > This is not true. The aic7xxx driver and CAM are supposed to be > able to handle spurious resets. Satoshi had a setup like this > running for some time with success using the -stable driver, but > I must have broken something in the CAM version of the driver. > > Exact error messages will help me track this down. > Sorry, I made some mistake. Exact Description is After machine A boot, I booted machine B. In the middle of kernel-autoconfiguration-stage, many 'Someone reset channel A' messages occurs on machine A. Then B panics, if with luck, B remains alive. ~~~~~~ ~~~~~~ Error message is ahc0: ahc_intr - referenced scb not valid during SELTD scb (255,15) Disconnected List Inconsistency. SCB index == 255, yet numscbs == 15. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message