From owner-freebsd-hardware@FreeBSD.ORG Wed Jan 20 13:53:23 2010 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 48D7E106566B for ; Wed, 20 Jan 2010 13:53:23 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 1CF988FC14 for ; Wed, 20 Jan 2010 13:53:23 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id A948F46B09; Wed, 20 Jan 2010 08:53:22 -0500 (EST) Received: from jhbbsd.localnet (smtp.hudson-trading.com [209.249.190.9]) by bigwig.baldwin.cx (Postfix) with ESMTPA id E01078A027; Wed, 20 Jan 2010 08:53:21 -0500 (EST) From: John Baldwin To: freebsd-hardware@freebsd.org Date: Wed, 20 Jan 2010 08:48:16 -0500 User-Agent: KMail/1.12.1 (FreeBSD/7.2-CBSD-20091231; KDE/4.3.1; amd64; ; ) References: <4B56CD4C.80503@darkbsd.org> In-Reply-To: <4B56CD4C.80503@darkbsd.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201001200848.16874.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Wed, 20 Jan 2010 08:53:21 -0500 (EST) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=4.2 tests=AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: Stephane LAPIE Subject: Re: DELL SAS5/E Controller bug X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Jan 2010 13:53:23 -0000 On Wednesday 20 January 2010 4:30:52 am Stephane LAPIE wrote: > Hello list, > > Basically I'm experiencing the same problem as described here : > https://forums.freebsd.org/showthread.php?t=9407 (linking for reference) > > Drives disconnections are not recognized instantly, and instead I get > the following dmesg entries : > mpt0: mpt_cam_event: 0x16 > mpt0: mpt_cam_event: 0x16 > > (Sometimes I also get "mpt0: mpt_cam_event: 0x12" events) > > This is really crippling as this litterally paralyzes the ZFS pool until > the controller finally comes to its senses (...or until a disk gets > replugged in, which provokes a flush of all the buffered failed SCSI > requests). > > Hardware is recognized as : > mpt0@pci0:6:8:0: class=0x010000 card=0x1f041028 chip=0x00541000 rev=0x01 > hdr=0x00 > vendor = 'LSI Logic (Was: Symbios Logic, NCR)' > device = 'SAS 3000 series, 8-port with 1068 -StorPort' > class = mass storage > subclass = SCSI > > Did anyone else experience this, or find a proper work-around ? Invoke 'camcontrol rescan' after removing a drive. mptutil(8) does the equivalent when adding and removing volumes to make up for the driver not automatically rescanning. -- John Baldwin