From owner-cvs-src@FreeBSD.ORG  Sun Oct  1 20:23:51 2006
Return-Path: <owner-cvs-src@FreeBSD.ORG>
X-Original-To: cvs-src@FreeBSD.org
Delivered-To: cvs-src@FreeBSD.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 704EF16A403;
	Sun,  1 Oct 2006 20:23:51 +0000 (UTC)
	(envelope-from mjacob@FreeBSD.org)
Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 4258343D4C;
	Sun,  1 Oct 2006 20:23:51 +0000 (GMT)
	(envelope-from mjacob@FreeBSD.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.13.6/8.13.6) with ESMTP id k91KNppn077082;
	Sun, 1 Oct 2006 20:23:51 GMT
	(envelope-from mjacob@repoman.freebsd.org)
Received: (from mjacob@localhost)
	by repoman.freebsd.org (8.13.6/8.13.4/Submit) id k91KNp51077081;
	Sun, 1 Oct 2006 20:23:51 GMT (envelope-from mjacob)
Message-Id: <200610012023.k91KNp51077081@repoman.freebsd.org>
From: Matt Jacob <mjacob@FreeBSD.org>
Date: Sun, 1 Oct 2006 20:23:51 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/cam cam_periph.c
X-BeenThere: cvs-src@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: CVS commit messages for the src tree <cvs-src.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-src>
List-Post: <mailto:cvs-src@freebsd.org>
List-Help: <mailto:cvs-src-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 01 Oct 2006 20:23:51 -0000

mjacob      2006-10-01 20:23:51 UTC

  FreeBSD src repository

  Modified files:
    sys/cam              cam_periph.c 
  Log:
  Put a bit of hysteresis into both BUSY SCSI status returns
  and CAM_RESRC_UNAVAIL returns. Delay a tunable amount for
  either between retries.
  
  This came up because the MPT IOC was returning "IOC out of
  resources" for some user and this caused a CAM_RESRC_UNAVAIL
  return. Putting a bit of delay between retries helped them
  out.
  
  There was some discussion that an async event should be used
  to clear CAM_RESRC_UNAVAIL. That's probably a better notion
  eventually.
  
  Reviewed by:    scsi@freebsd.org (ade, scott)
  MFC after:      1 week
  
  Revision  Changes    Path
  1.63      +20 -4     src/sys/cam/cam_periph.c