From owner-freebsd-scsi Fri Aug 4 12:38:35 2000 Delivered-To: freebsd-scsi@freebsd.org Received: from feral.com (feral.com [192.67.166.1]) by hub.freebsd.org (Postfix) with ESMTP id 85BEE37B71D for ; Fri, 4 Aug 2000 12:38:32 -0700 (PDT) (envelope-from mjacob@feral.com) Received: from beppo.feral.com (beppo [192.67.166.79]) by feral.com (8.9.3/8.9.3) with ESMTP id MAA07366; Fri, 4 Aug 2000 12:38:29 -0700 Date: Fri, 4 Aug 2000 12:38:32 -0700 (PDT) From: Matthew Jacob Reply-To: mjacob@feral.com To: marius@soylent-green.org Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: telling CAM to never timeout a transaction In-Reply-To: <20000804213657.A87057@alchemy.grabstein.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Fix the da driver to have an infinite timeout On Fri, 4 Aug 2000 marius@soylent-green.org wrote: > hi > > could anyone tell me the parameter to make CAM never timeout a transaction ? > i need it to get rid of a problem with a dpt raid controller: > > Aug 4 13:16:13 newtrinity /kernel: (da0:dpt0:0:0:0): CCB 0xc83fd07c - timed out > Aug 4 13:16:13 newtrinity /kernel: (da0:dpt0:0:0:0): CCB 0xc83fd07c - timed out CCB already completed > > simon shapiro who did the freebsd support for dpt controllers told me to first check if the array has a lost disk which normally causes this problem but it hasn't > > he told me further this is a classic problem if the dpt firmware takes too long in the opinion of the cam abstraction layer to complete a transaction and then the dpt completes a "non-existing" transaction a while later > > i already wrote an email to justin gibbs to tell me the parameter but he unfortunately didn't reply > > i had a look to the cam sources but i didn't see something concerning disabling the timeout for transaction > > thanks > marius > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-scsi" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message