From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266835AbUHISY5 (ORCPT ); Mon, 9 Aug 2004 14:24:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266833AbUHISWl (ORCPT ); Mon, 9 Aug 2004 14:22:41 -0400 Received: from adsl-67-114-19-185.dsl.pltn13.pacbell.net ([67.114.19.185]:8600 "EHLO bastard.smallmerchant.com") by vger.kernel.org with ESMTP id S266831AbUHISTX (ORCPT ); Mon, 9 Aug 2004 14:19:23 -0400 Message-ID: <4117C028.7080905@tupshin.com> Date: Mon, 09 Aug 2004 11:19:20 -0700 From: Tupshin Harper User-Agent: Mozilla Thunderbird 0.5 (Windows/20040207) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Alan Cox Cc: Linux Kernel Mailing List Subject: Re: /dev/hdl not showing up because of fix-ide-probe-double-detection patch References: <411013F7.7080800@tupshin.com> <4111651E.1040406@tupshin.com> <20040804224709.3c9be248.akpm@osdl.org> <1091720165.8041.4.camel@localhost.localdomain> In-Reply-To: <1091720165.8041.4.camel@localhost.localdomain> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Alan Cox wrote: > 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 > > > I originally thought that the problem might be not enough bytes being checked, but now I'm concerned that Maxtor has some problem with not having a proper serial number recorded for some drives. hdparm -i also show M0000000000000000000 for both of these drives. Below is the output of hdparm -i for the two drives, and below that, the output of catting /dev/ide/hdk and hdl. Doing a google search on "M0000000000000000000" shows that there have a been a handful of reports of maxtor drives showing this as the serial number, but I don't see any explanation of why. -Tupshin hdparm -i /dev/hdl /dev/hdl: Model=Maxtor 4R120L0, FwRev=RAMB1TU0, SerialNo=M0000000000000000000 Config={ Fixed } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57 BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=240121728 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 AdvancedPM=yes: disabled (255) WriteCache=enabled Drive conforms to: (null): * signifies the current active mode rescue:/home/tupshin# hdparm -i /dev/hdk /dev/hdk: Model=Maxtor 4R120L0, FwRev=RAMB1TU0, SerialNo=M0000000000000000000 Config={ Fixed } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57 BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=240121728 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 AdvancedPM=yes: disabled (255) WriteCache=enabled Drive conforms to: (null): * signifies the current active mode cat /proc/ide/hdl/identify 0040 3fff c837 0010 0000 0000 003f 0000 0000 0000 4d30 3030 3030 3030 3030 3030 3030 3030 3030 3030 0003 1000 0039 5241 4d42 3154 5530 4d61 7874 6f72 2034 5231 3230 4c30 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020 8010 0000 2f00 4000 0200 0000 0007 3fff 0010 003f fc10 00fb 0110 f780 0e4f 0000 0007 0003 0078 0078 0078 0078 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 00fe 001e 7c6b 7b09 4003 7c68 3a01 4003 407f 0000 0000 0000 fffe 6b00 c0c0 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0001 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0001 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 8aa5 cat /proc/ide/hdk/identify 0040 3fff c837 0010 0000 0000 003f 0000 0000 0000 4d30 3030 3030 3030 3030 3030 3030 3030 3030 3030 0003 1000 0039 5241 4d42 3154 5530 4d61 7874 6f72 2034 5231 3230 4c30 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020 8010 0000 2f00 4000 0200 0000 0007 3fff 0010 003f fc10 00fb 0110 f780 0e4f 0000 0007 0003 0078 0078 0078 0078 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 00fe 001e 7c6b 7b09 4003 7c68 3a01 4003 407f 0000 0000 0000 fffe 603b c0c0 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0001 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0001 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 5aa5