From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: qla2300 read buffer problems Date: Tue, 12 Jul 2005 16:01:23 +0100 Message-ID: <20050712150123.GA5524@infradead.org> References: <24233.1121179331@www63.gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from pentafluge.infradead.org ([213.146.154.40]:19642 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S261530AbVGLPBZ (ORCPT ); Tue, 12 Jul 2005 11:01:25 -0400 Content-Disposition: inline In-Reply-To: <24233.1121179331@www63.gmx.net> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: rother-ml@gmx.de Cc: linux-scsi@vger.kernel.org On Tue, Jul 12, 2005 at 04:42:11PM +0200, rother-ml@gmx.de wrote: > Hi all, > > we are encountering SAN problems. Twice or threetimes a minute we can > neither read nor write for up to five seconds from/to our LUs. After that > short periode, it catches up and resumes normally. The diagnostics in > SANsurfer (Read/Write Buffer Test) runs a few times successfully (approx. > 8-10 times) and then tells us about a problem with the buffer cache: > Info: DiagRWBufferTest: Unable to send Pass-Thru READ_DATA_BUFF on target > (50-06-0e-80-00-c2-8a-03) (0x20000040) (SCSI check condition) > Info: DiagRWBufferTest: Sense Key: 0xe, asc: 0x1d, ascq: 0x0. > > The numbers of "Link Failure", "Sync Loss" and "Signal Loss" are also > increasing. > > After compiling the modules with almost every debug option the syslogd > notices the following lines: > qla2x00_scsi_passthru(18): entered. These traces are not from the in-kernel qla2xxx driver. Either use the proper driver or complain to qlogic tech support.