Date: Tue, 11 Nov 2003 18:15:16 -0800
From: Matthew Dharm <mdharm-kernel@one-eyed-alien.net>
To: jim beam <jim_jim33@hotmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: USB mass storage device problem
Message-ID: <20031111181516.D22248@one-eyed-alien.net>
Mail-Followup-To: jim beam <jim_jim33@hotmail.com>,
	linux-kernel@vger.kernel.org
References: <BAY8-F125ED2QfgNy3T000559e2@hotmail.com>
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You're talking to the first (and wrong) LUN of a multi-LUN device.

You can:
	(1) Use a SCSI module option to set the number of LUNs higher
	(2) Do an echo "scsi add-single-device 0 0 0 1" > /proc/scsi/scsi

Matt

On Wed, Nov 12, 2003 at 02:03:03AM +0000, jim beam wrote:
> Hello,
>=20
> I am attempting to get a CompactFlash reader to work (Soyo SB-K7VXBP).  T=
he=20
> device sits in a 3.5" bay and plugs directly into a USB1 connector on my=
=20
> motherboard.  It also provides two USB ports, which work.
>=20
> The CompactFlash reader almost works.  At bootup, I get this message:
>=20
> hub 3-0:1.0: new USB device on port 1, assigned address 2
> scsi0 : SCSI emulation for USB Mass Storage devices
>   Vendor: SOYO      Model: USB Storage-SMC   Rev: 0214
>   Type:   Direct-Access                      ANSI SCSI revision: 02
> Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
> WARNING: USB Mass Storage data integrity not assured
> USB Mass Storage device found at 2
>=20
> The device shows up in /sys/block/sda and in=20
> /sys/bus/usb/drivers/usb-storage.  Also, /dev/sda is created as a symlink=
 to=20
> /dev/scsi/host0/bus0/target0/lun0/disc (I am using devfs).
>=20
> However, when try to mount /dev/sda, I get an error saying "No medium=20
> found".  I have tried inserting the card after booting and also before=20
> booting, with the same result.  I am using the 2.6.0-test9 kernel, but I=
=20
> have had this device since early 2.4 and it has never worked.  It is not=
=20
> damaged hardware because Windows detects it as a drive.
>=20
> Trying to run fdisk on /dev/sda gives the message "Unable to open /dev/sd=
a".=20
>   Is there something else I need to do, or any more information I can=20
> provide to debug this problem?
>=20
> Thanks,
> Jim
>=20
> _________________________________________________________________
> Is your computer infected with a virus?  Find out with a FREE computer vi=
rus=20
> scan from McAfee.  Take the FreeScan now!=20
> http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3D3963
>=20
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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--=20
Matthew Dharm                              Home: mdharm-usb@one-eyed-alien.=
net=20
Maintainer, Linux USB Mass Storage Driver

It's monday.  It must be monday.
					-- Greg
User Friendly, 5/4/1998

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