From owner-freebsd-scsi Wed Aug 18 13:30:56 1999 Delivered-To: freebsd-scsi@freebsd.org Received: from panzer.kdm.org (panzer.kdm.org [216.160.178.169]) by hub.freebsd.org (Postfix) with ESMTP id 2B5D214F13 for ; Wed, 18 Aug 1999 13:30:49 -0700 (PDT) (envelope-from ken@panzer.kdm.org) Received: (from ken@localhost) by panzer.kdm.org (8.9.3/8.9.1) id OAA22119; Wed, 18 Aug 1999 14:28:51 -0600 (MDT) (envelope-from ken) Message-Id: <199908182028.OAA22119@panzer.kdm.org> Subject: Re: camcontrol reset 0:3:0 hangs systems In-Reply-To: <3369.934997816@verdi.nethelp.no> from "sthaug@nethelp.no" at "Aug 18, 1999 07:36:56 pm" To: sthaug@nethelp.no Date: Wed, 18 Aug 1999 14:28:51 -0600 (MDT) Cc: freebsd-scsi@FreeBSD.ORG From: "Kenneth D. Merry" X-Mailer: ELM [version 2.4ME+ PL54 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org sthaug@nethelp.no wrote... > System: FreeBSD 3.2-STABLE as of 17. august, 2xPII-450, Adaptec SCSI > controller: > > ahc0: rev 0x00 int a irq 11 on pci0.12.0 > ahc0: aic7890/91 Wide Channel A, SCSI Id=7, 16/255 SCBs > > and 4 IBM disks: > [ ... ] > A "camcontrol reset 0" works fine, "Reset of bus 0 was successful". > > A "camcontrol reset 0:3:0" (trying to reset da2) reliably hangs the > system (no response from the command, everything hangs). Error messages > on console: > > (xpt0:ahc0:0:3:0): Bus Device Reset Message Sent > ahc0: Bus Device Reset on A:3. 1 SCBs aborted. > > The hang occurs whether the system runs a uniprocessor or an SMP kernel, > and it doesn't matter which disk is attempted reset either. [ ... ] That's a known problem. I think I know how to fix it, but I haven't had a chance to do so yet. Hopefully I'll get to it before the end of the month. Ken -- Kenneth Merry ken@kdm.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message