From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Christie Subject: Re: New 2.6.24.2 SG_IO SCSI problems Date: Fri, 22 Feb 2008 10:50:19 -0600 Message-ID: <47BEFD4B.9060803@cs.wisc.edu> References: <47BD9588.9080803@compro.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from sabe.cs.wisc.edu ([128.105.6.20]:59828 "EHLO sabe.cs.wisc.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755858AbYBVQua (ORCPT ); Fri, 22 Feb 2008 11:50:30 -0500 In-Reply-To: <47BD9588.9080803@compro.net> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: markh@compro.net Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Mark Hounschell wrote: > I seem to have run into some sort of regression in the SG_IO interface of 2.6.24.2. > I have an application that up until 2.6.24 worked fine. The 2.6.23.16 kernel works fine. > > During reads I get these kernel messages. Writes and other functions _seem_ OK. Actually basic > reads are working. Its with large BC reads using an io_vec list that the problem shows up. > Are you doing SG_IO to the sg device (/dev/sg*) or to the block device (/dev/sdX)?