Date: Wed, 28 Jun 2006 00:17:46 +0200 From: Norbert Augenstein <norbert@augenstein.net> To: freebsd-stable@freebsd.org Subject: Re: ATAPICAM in RELENG_6 sometimes swaps drives Message-ID: <20060627221745.GA639@kyle.augenstein.ten> In-Reply-To: <20060627234645.H76020@atlantis.atlantis.dp.ua> References: <20060627234645.H76020@atlantis.atlantis.dp.ua>
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On Wed, Jun 28, 2006 at 12:06:38AM +0300, Dmitry Pryanishnikov wrote:
>
> Hello!
>
> My machine (running RELENG_6) has 2 ATAPI drives attached to the second
> channel of Intel ICH4 built-in ATA controller ata1 (NEC DVD-RW as a master
> and AOPEN CD-RW as a slave). Of course their ATAPI devices always show up
> in the fixed order:
>
> acd0: DVDR <NEC DVD RW ND-3520A/1.04> at ata1-master UDMA33
> acd1: CDRW <AOPEN CD-RW CRW5232 1.04 20031128/1.04> at ata1-slave UDMA33
>
> However, ATAPICAM devices sometimes show in the same order:
>
> cd0 at ata1 bus 0 target 0 lun 0
> cd0: <_NEC DVD_RW ND-3520A 1.04> Removable CD-ROM SCSI-0 device
> cd0: 33.000MB/s transfers
> cd0: Attempt to query device size failed: NOT READY, Medium not present
> cd1 at ata1 bus 0 target 1 lun 0
> cd1: <AOPEN CD-RW CRW5232 1.04> Removable CD-ROM SCSI-0 device
> cd1: 33.000MB/s transfers
> cd1: Attempt to query device size failed: NOT READY, Medium not present
>
> and sometimes get swapped:
>
> cd0 at ata1 bus 0 target 1 lun 0
> cd0: <AOPEN CD-RW CRW5232 1.04> Removable CD-ROM SCSI-0 device
> cd0: 33.000MB/s transfers
> cd0: Attempt to query device size failed: NOT READY, Medium not present
> cd1 at ata1 bus 0 target 0 lun 0
> cd1: <_NEC DVD_RW ND-3520A 1.04> Removable CD-ROM SCSI-0 device
> cd1: 33.000MB/s transfers
> cd1: Attempt to query device size failed: NOT READY, Medium not present
>
> I consider this behaviour as being quite weird and misleading. E.g., it
> doesn't allow to set up correctly a couple of useful links from
> /etc/devfs.conf:
>
> link cd0 sdvdrom
> link cd1 scdrom
>
> (sometimes scdrom points not to CD-RW, but to DVD-RW drive). What's the
> reason of this weirdness, can it be fixed?
>
> Sincerely, Dmitry
Hi Dimitry,
similar problem here, as workaround i placed
hint.cd.0.target="0"
to /boot/loader.conf
Regards,
--> auge
Norbert Augenstein
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