Hello,
I recently purchased a cheapo card reader
(http://store.yahoo.com/meritline/rid5in1usbca.html) which I have thus far
been unable to get working in Linux. Everything looks fine except for
/proc/scsi/scsi, which shows
Attached devices: none
The CD-ROM that was bundled with the reader has a Linux directory that
includes standard instructions for setting up a USB mass storage device.
The reader works fine in Windows XP and Mac OS X, so I at least know that
it's functional. Also, my NexII MP3 player works with Linux.
I'm running kernel 2.4.20-ck7 (Con Kolivas's souped-up kernel), but I have
the same problems with the latest Gentoo kernel on another system. I must
confess that I haven't tried a vanilla kernel yet, though.
Here's an excerpt of lsmod with relevant entries:
usb-storage 21624 0
scsi_mod 82664 3 [usb-storage]
usb-uhci 22572 0 (unused)
usbcore 58624 1 [usb-storage hid usb-uhci]
'mount' shows
none on /proc/bus/usb type usbdevfs (rw)
The portion of /proc/bus/usb/devices pertaining to the reader:
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=10ms
T: Bus=03 Lev=02 Prnt=03 Port=03 Cnt=02 Dev#= 6 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=16 #Cfgs= 1
P: Vendor=0aec ProdID=5010 Rev= 1.00
S: Manufacturer= Technologies Corp.
S: Product= USB Storage Device
S: SerialNumber=0AEC501000001A006
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
/proc/scsi/usb-storage-0/0 shows:
Host scsi0: usb-storage
Vendor: Technologies Corp.
Product: USB Storage Device
Serial Number: 0AEC501000001A006
Protocol: Transparent SCSI
Transport: Bulk
GUID: 0aec5010aec501000001a006
Attached: Yes
And finally, /var/log/messages right after I plug the damn thing in:
Jun 7 11:09:22 dhalgren kernel: hub.c: new USB device 00:10.0-2.4,
assigned address 6
Jun 7 11:09:22 dhalgren kernel: scsi0 : SCSI emulation for USB Mass
Storage devices
Does anyone have any ideas? My next plan is to try out the latest 2.5
kernel; if it's supported there, then I can wait for 2.6.
Thanks!
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