From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264275AbTDPJhW (for ); Wed, 16 Apr 2003 05:37:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264276AbTDPJhW (for ); Wed, 16 Apr 2003 05:37:22 -0400 Received: from siaab1aa.compuserve.com ([149.174.40.1]:3723 "EHLO siaab1aa.compuserve.com") by vger.kernel.org with ESMTP id S264275AbTDPJhV (for ); Wed, 16 Apr 2003 05:37:21 -0400 Date: Wed, 16 Apr 2003 05:45:20 -0400 From: Chuck Ebbert <76306.1226@compuserve.com> Subject: Re: [PATCH] Re: 2.5.67: ppa driver & preempt == oops To: Patrick Mansfield Cc: linux-kernel Message-ID: <200304160548_MC3-1-349F-E843@compuserve.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > It opens sd twice (AFAIK) - I think mount scans the block devices (an open > of sd) and then mounts (internal open). The code path in question is > probably via sd.c functions sd_media_changed and sd_revalidate_disk, and > the block_dev.c check_disk_change. sd_open calls check_disk_change. > > This could be the same problem others are seeing with removable media > accessed via USB mass storage. I was seeing problems with ide-floppy on 2.5.66. It kept trying to re-register the disk, AFAICT... and there were different errors depending on whether I booted with a disk in the drive. (The drive was removed, so I can't test anything now.) -- Chuck