USB card reader
A.J. Bonnema
abonnema at xs4all.nl
Mon Nov 24 01:23:40 UTC 2003
A.J. Bonnema wrote:
> Scott Burns wrote:
>
>> A.J. Bonnema wrote:
>>
>> Try this:
>> dd if=/dev/sda1 of=test bs=1024 count=2
>> file test
>>
>> This will copy the first 2k of the card and put it in a file. file
>> will then tell you what it thinks it is.
>
>
> Thanks for this explanation. It didn't work though. For /dev/sda it
> gives "dd opening '/dev/sda1': no such device or address.
> For /dev/sda it gives:
>
> "
> dd: reading '/dev/sda': Intput/output error
> 0+0 records in
> 0+0 records out
> "
>
I found out some more from /var/log/message in reaction to 'fdisk -l
/dev/sda'. The output follows:
Nov 24 02:00:55 abonnema kernel: sda: Unit Not Ready, sense:
Nov 24 02:00:55 abonnema kernel: Current 00:00: sense key Not Ready
Nov 24 02:00:55 abonnema kernel: Additional sense indicates Medium not
present
Nov 24 02:00:55 abonnema kernel: sda : READ CAPACITY failed.
Nov 24 02:00:55 abonnema kernel: sda : status = 1, message = 00, host =
0, driver = 08
Nov 24 02:00:55 abonnema kernel: Current sd00:00: sense key Not Ready
Nov 24 02:00:55 abonnema kernel: Additional sense indicates Medium not
present
Nov 24 02:00:55 abonnema kernel: sda : block size assumed to be 512
bytes, disk size 1GB.
Nov 24 02:00:55 abonnema kernel: sda: Write Protect is off
Nov 24 02:00:55 abonnema kernel: sda: I/O error: dev 08:00, sector 0
Nov 24 02:00:55 abonnema kernel: I/O error: dev 08:00, sector 0
Nov 24 02:00:55 abonnema kernel: unable to read partition table
Nov 24 02:01:14 abonnema kernel: sda: Unit Not Ready, sense:
Nov 24 02:01:14 abonnema kernel: Current 00:00: sense key Not Ready
Nov 24 02:01:14 abonnema kernel: Additional sense indicates Medium not
present
Nov 24 02:01:14 abonnema kernel: sda : READ CAPACITY failed.
Nov 24 02:01:14 abonnema kernel: sda : status = 1, message = 00, host =
0, driver = 08
Nov 24 02:01:14 abonnema kernel: Current sd00:00: sense key Not Ready
Nov 24 02:01:14 abonnema kernel: Additional sense indicates Medium not
present
Nov 24 02:01:14 abonnema kernel: sda : block size assumed to be 512
bytes, disk size 1GB.
Nov 24 02:01:14 abonnema kernel: sda: Write Protect is off
Nov 24 02:01:14 abonnema kernel: sda: I/O error: dev 08:00, sector 0
Nov 24 02:01:14 abonnema kernel: I/O error: dev 08:00, sector 0
Nov 24 02:01:14 abonnema kernel: unable to read partition table
Nov 24 02:01:14 abonnema kernel: Device not ready. Make sure there is a
disc in the drive.
Nov 24 02:01:14 abonnema kernel: I/O error: dev 08:00, sector 0
Does anyone know what is going on? I *can* reach the same disk from windows.
Guus.
--
A.J. Bonnema, Leiden The Netherlands,
user #328198 (Linux Counter)
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