From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: buffer-list destroyed message Date: Sat, 26 Apr 2003 11:25:52 +0200 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <20030426092552.GZ1012@suse.de> References: <1051291883.1172.358.camel@tubarao> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from ns.virtualhost.dk ([195.184.98.160]:62909 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S264635AbTDZJNl (ORCPT ); Sat, 26 Apr 2003 05:13:41 -0400 Content-Disposition: inline In-Reply-To: <1051291883.1172.358.camel@tubarao> List-Id: linux-scsi@vger.kernel.org To: Thayne Harbaugh Cc: linux-scsi@vger.kernel.org On Fri, Apr 25 2003, Thayne Harbaugh wrote: > I have a system that spits out the following error message: > > scsi_end_request: buffer-list destroyed > > It appears to come from drivers/scsi/scsi_lib.c: __scsi_end_request() > > I can see that the code detects a mis-match in the number of sectors. > I'm wondering if anyone can enlighten me on how serious this problem is > (the machine appears to work fine), what might be causing the problem, > and how I might fix things. The problem is very serious and is usually accompanied by data corruption. So I suggest you check your filesystems! It depends on the driver, though. I can say with absolute certainty that a healthy system should _never_ see those messages. > I searched the archives and only found one mail that seemed relevant: > > http://marc.theaimsgroup.com/?l=linux-scsi&m=93303946423398&w=2 > > The comment for the MegaRAID refers to SMP and that the system appears > to continue to function with no problems - two symptoms of the machine I > have. Yep, not a lot of information. So almost certainly a megaraid bug. Is is easily reproduceable? Does it occur with a UP kernel? -- Jens Axboe