Date: Mon, 15 Mar 2004 22:39:57 +0000
From: Dave Jones <davej@redhat.com>
To: Oliver Vogel <oliver.vogel@gmx.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Linux 2.6.4 - Card Reader not working
Message-ID: <20040315223957.GC19555@redhat.com>
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	Oliver Vogel <oliver.vogel@gmx.net>, linux-kernel@vger.kernel.org
References: <20040315233106.28bc8b7a.oliver.vogel@gmx.net>
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On Mon, Mar 15, 2004 at 11:31:06PM +0100, Oliver Vogel wrote:
 > Hello everybody!
 > 
 > I got a little problem with a Memory Card Reader under Linux 2.6.4.
 > 
 > I enabled usb (both ehci and uhci) support, usb storage support in the
 > kernel, as well as scsi support and scsi disk support.
 > Mounting usb sticks works well, also the Card Reader shows at lsusb (see
 > below).
 > Also, there is a device /dev/sda (or rather
 > /dev/scsi/host0/bus0/target0/lun0/disc, I'm using devfs), but when I
 > insert an SD card into the reader, there is no sda1 (or rather target1)
 > appearing.
 > I also tried enabling probe all LUNs, with the result that the device
 > didn't appear in lsusb anymore.
 > 
 > I already asked in a Linux hardware newsgroup, but nobody seems to have
 > a clue...
 > 
 > Any hints?

I had a similar problem recently with a 6-in-1 reader I picked up.
Using..
modprobe scsi_mod max_luns=6

it could see all LUNs on the device (each slot was a seperate LUN).

If this works for you, send the scsi messages from dmesg output, and
it can be added to the list of devices to probe all luns.

		Dave

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