From owner-aic7xxx Thu Aug 21 03:33:38 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id DAA11525 for aic7xxx-outgoing; Thu, 21 Aug 1997 03:33:38 -0700 (PDT) Received: from Galois.suse.de (Galois.suse.de [193.141.17.193]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id DAA11515 for ; Thu, 21 Aug 1997 03:33:28 -0700 (PDT) Received: from localhost (mantel@localhost) by Galois.suse.de (8.8.4/8.8.4) with SMTP id MAA13317; Thu, 21 Aug 1997 12:31:03 +0200 Date: Thu, 21 Aug 1997 12:31:02 +0200 (MEST) From: Hubert Mantel X-Sender: mantel@Galois.fs100.suse.de To: Ulrich Windl cc: Doug Ledford , aic7xxx@freebsd.org, linux-scsi@vger.rutgers.edu, Harald Koenig Subject: Re: "read defect list" with 2.0.30-pre7 and patch Aug19 In-Reply-To: <5CA15F646FE@rkdvmks1.ngate.uni-regensburg.de> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-aic7xxx@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Hi, On Thu, 21 Aug 1997, Ulrich Windl wrote: > Having enabled the statistics, I found out that I have statistics for > non-existing SCSI IDs and LUNs -- maybe the read was there, but not the [...] > Still, as expected earlier, there seems to be a undetected buffer > overflow in the kernel that overwrites some SCSI data structures (at > least). The code of the fault looked OK, but the RAM accesses had > probably bad values. If I remember correctly there has been a bug report about statistics can result in a buffer overflow for multiple LUNs. I didn't check if the fix for this has gone into pre-7 yet. Hubert mantel@suse.de