From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263787AbUA3NCX (ORCPT ); Fri, 30 Jan 2004 08:02:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263800AbUA3NCX (ORCPT ); Fri, 30 Jan 2004 08:02:23 -0500 Received: from ns.suse.de ([195.135.220.2]:63716 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S263787AbUA3NCV (ORCPT ); Fri, 30 Jan 2004 08:02:21 -0500 Date: Fri, 30 Jan 2004 13:59:35 +0100 From: Olaf Hering To: Jens Axboe Cc: Andrey Borzenkov , Andries Brouwer , Greg KH , linux-hotplug-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: removable media revalidation - udev vs. devfs or static /dev Message-ID: <20040130125935.GA17969@suse.de> References: <200401012333.04930.arvidjaar@mail.ru> <20040103133749.A3393@pclin040.win.tue.nl> <20040103124216.GA31006@suse.de> <200401031905.31806.arvidjaar@mail.ru> <20040103175414.GX5523@suse.de> <20040107094321.GC21059@suse.de> <20040107095029.GX3483@suse.de> <20040107095632.GA22213@suse.de> <20040107095922.GY3483@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20040107095922.GY3483@suse.de> X-DOS: I got your 640K Real Mode Right Here Buddy! X-Homeland-Security: You are not supposed to read this line! You are a terrorist! User-Agent: Mutt und vi sind doch schneller als Notes Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 07, Jens Axboe wrote: > On Wed, Jan 07 2004, Olaf Hering wrote: > > On Wed, Jan 07, Jens Axboe wrote: > > > > > No need to put it in the kernel, user space fits the bil nicely. I don't > > > see how this would lead to IO errors? > > > > Ok, how should it be done on my SCSI and parallel port ZIP? An ATAPI ZIP > > with 2.4 behaves like that: > > > > > > nectarine:~ # blockdev --rereadpt /dev/hdd > > /dev/hdd: Eingabe-/Ausgabefehler > > nectarine:~ # dmesg | tail > > nfs: server Hilbert2 OK > > nfs: server Hilbert3 not responding, still trying > > nfs: server Hilbert3 OK > > nfs: server Hilbert3 not responding, still trying > > nfs: server Hilbert3 OK > > nfs: server Hilbert2 not responding, still trying > > nfs: server Hilbert2 OK > > ide-floppy: hdd: I/O error, pc = 0, key = 2, asc = 3a, ascq = 0 > > ide-floppy: hdd: I/O error, pc = 1b, key = 2, asc = 3a, ascq = 0 > > hdd: No disk in drive > > nectarine:~ # cat /proc/ide/hdd/model > > IOMEGA ZIP 100 ATAPI > > Two problems here. First, ide-floppy should not verbosely fail these > commands (2/3a/00 is 'medium not present'). Second, you are not using > the proper mechanism to detect media events. 2.6.2-mm2 prints still these warnings. Should the driver handle this 'special' case? ide-floppy driver 0.99.newide hdd: No disk in drive hdd: 98304kB, 96/64/32 CHS, 4096 kBps, 512 sector size, 2941 rpm ide-floppy: hdd: I/O error, pc = 0, key = 2, asc = 3a, ascq = 0 ide-floppy: hdd: I/O error, pc = 1b, key = 2, asc = 3a, ascq = 0 hdd: No disk in drive ide-floppy: hdd: I/O error, pc = 0, key = 2, asc = 3a, ascq = 0 ide-floppy: hdd: I/O error, pc = 1b, key = 2, asc = 3a, ascq = 0 hdd: No disk in drive -- USB is for mice, FireWire is for men! sUse lINUX ag, nÜRNBERG