From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267777AbUHEQje (ORCPT ); Thu, 5 Aug 2004 12:39:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267783AbUHEQjc (ORCPT ); Thu, 5 Aug 2004 12:39:32 -0400 Received: from the-village.bc.nu ([81.2.110.252]:53693 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S267777AbUHEQjV (ORCPT ); Thu, 5 Aug 2004 12:39:21 -0400 Subject: Re: /dev/hdl not showing up because of fix-ide-probe-double-detection patch From: Alan Cox To: Andrew Morton Cc: Tupshin Harper1 , Linux Kernel Mailing List In-Reply-To: <20040804224709.3c9be248.akpm@osdl.org> References: <411013F7.7080800@tupshin.com> <4111651E.1040406@tupshin.com> <20040804224709.3c9be248.akpm@osdl.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1091720165.8041.4.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Thu, 05 Aug 2004 16:36:08 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Iau, 2004-08-05 at 06:47, Andrew Morton wrote: > > Well, I found the source of the problem. Dmesg gives a "ignoring > > undecoded slave" message, which is coming from the > > fix-ide-probe-double-detection patch. > > Ah, thanks for working that out. > > Did you know that Cc: stands for "copy culprit"? > > > Both /dev/hdk and /dev/hdl are the same model of hard drive, and > > unfortunately, they both report that they are Model > > M0000000000000000000, which triggers the double detection removal. I need the real model and serial number information not "MOOO" to debug this kind of thing > > Also, what is in /proc/ide/hd?/identity besides serial number. The two > > drives have very similar identity files, but they are slightly > > different. Could that additional info be used to check for duplicates? Two disks are not permitted to have the same serial number. If you can give me the full ident data I'll take a detailed look - could be I'm not comparing enough bytes if its only different on the last digit. Alan