From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chandru Subject: diskdump and aacraid Date: Fri, 25 Apr 2008 12:20:43 +0530 Message-ID: <48117F43.70000@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from E23SMTP03.au.ibm.com ([202.81.18.172]:55606 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755626AbYDYGxU (ORCPT ); Fri, 25 Apr 2008 02:53:20 -0400 Received: from d23relay03.au.ibm.com (d23relay03.au.ibm.com [202.81.18.234]) by e23smtp03.au.ibm.com (8.13.1/8.13.1) with ESMTP id m3P6qUwt010646 for ; Fri, 25 Apr 2008 16:52:30 +1000 Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay03.au.ibm.com (8.13.8/8.13.8/NCO v8.7) with ESMTP id m3P6oekw241806 for ; Fri, 25 Apr 2008 16:50:40 +1000 Received: from d23av01.au.ibm.com (loopback [127.0.0.1]) by d23av01.au.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m3P6okwc012283 for ; Fri, 25 Apr 2008 16:50:46 +1000 Received: from [9.124.31.71] ([9.124.31.71]) by d23av01.au.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id m3P6oisA012256 for ; Fri, 25 Apr 2008 16:50:45 +1000 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Hi, I am using diskdump feature of Redhat enterprise linux. The system has Adaptec AAC-RAID (Rocket) (rev 02) . 'modinfo aacraid' gives version as 1.1-5[2441]. During kernel crashes, diskdump starts to dump the memory on to the disk but however fails after sometime with another 'unable to handle null pointer dereference' error. Before starting the dump process a message like the following appears on the console start dumping to sda5 <3>aacraid: Host adapter reset request. SCSI hang ? Wanted to check if a message like above can cause the adapter to reset when the dump is still in progress ?. Thanks, Chandru