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[vox-tech] USB mass storage trouble (7-in-one flash reader)
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[vox-tech] USB mass storage trouble (7-in-one flash reader)



I've acquired a USB-2.0 seven-in-one flash card reader-writer. Remarkably,
the scanty accompanying manual clains that the device is supported by Linux
=>2.4.0. Unfortunately I cannot get it to work. With kernel 2.4.24 running on
the Linux box and a smartmedia wafer in the drive, I get this result when
trying to read a partition table from the flash card:

# fdisk -l /dev/sda
sda: Unit Not Ready, sense:
Current 00:00: sns = 70  2
ASC=3a ASCQ= 0
Raw sense data:0x70 0x00 0x02 0x00 0x00 0x00 0x00 0x10 0x00 0x00 0x00 0x00
0x3a 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
sda : READ CAPACITY failed.
sda : status = 1, message = 00, host = 0, driver = 08
Current sd00:00: sns = 70  2
ASC=3a ASCQ= 0
Raw sense data:0x70 0x00 0x02 0x00 0x00 0x00 0x00 0x10 0x00 0x00 0x00 0x00
0x3a 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
sda : block size assumed to be 512 bytes, disk size 1GB.
sda: test WP failed, assume Write Enabled
 /dev/scsi/host0/bus0/target0/lun0: I/O error: dev 08:00, sector 0
 I/O error: dev 08:00, sector 0
 unable to read partition table
Device not ready.  Make sure there is a disc in the drive.
sda: Unit Not Ready, sense:
Current 00:00: sns = 70  2
ASC=3a ASCQ= 0
Raw sense data:0x70 0x00 0x02 0x00 0x00 0x00 0x00 0x10 0x00 0x00 0x00 0x00
0x3a 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
sda : READ CAPACITY failed.
sda : status = 1, message = 00, host = 0, driver = 08
Current sd00:00: sns = 70  2
ASC=3a ASCQ= 0
Raw sense data:0x70 0x00 0x02 0x00 0x00 0x00 0x00 0x10 0x00 0x00 0x00 0x00
0x3a 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
sda : block size assumed to be 512 bytes, disk size 1GB.
sda: test WP failed, assume Write Enabled
 /dev/scsi/host0/bus0/target0/lun0: I/O error: dev 08:00, sector 0
 I/O error: dev 08:00, sector 0
 unable to read partition table
 I/O error: dev 08:00, sector 0
 I/O error: dev 08:00, sector 0
Device not ready.  Make sure there is a disc in the drive.

The power LED on the drive is on at a steadt green; the access LED is off
(and never flickered). The card in the drive is known to be non-defective and
has a filesystem.

I have the following modules loaded (obvioiusly irrelevant mods ommitted):

sg                     23972   0 (unused)
vfat                    9116   0 (autoclean)
fat                    28888   0 (autoclean) [vfat]
sd_mod                  9948   0
usb-storage           112064   0
scsi_mod               52476   3 [sg sd_mod usb-storage]
usb-ohci               15712   0 (unused)
usbcore                60576   0 [usb-storage usb-ohci]
af_packet              11528   0 (unused)
rtc                     5948   0 (autoclean)

The USB interface is recognized according to dmesg.

Does anyone have any ideas?

-- 
Henry House
The unintelligible text that may follow is a digital signature. 
See <http://hajhouse.org/pgp> for information.  My OpenPGP key:
<http://hajhouse.org/hajhouse.asc>.

Attachment: signature.asc
Description: Digital signature



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