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Two weeks ago, the memory card from my camera was stuck into a USB
card reader attached to a Win2K machine. The Windows box couldn't
open the card, and Linux reported:
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SCSI device sdc: 943047310 512-byte hdwr sectors (482840 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 00 00 00
sdc: assuming drive cache: write through
Buffer I/O error on device sdc, logical block 471523584
Buffer I/O error on device sdc, logical block 471523585
Buffer I/O error on device sdc, logical block 471523586
Buffer I/O error on device sdc, logical block 471523587
Buffer I/O error on device sdc, logical block 471523584
...
SCSI device sdc: 943047310 512-byte hdwr sectors (482840 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 00 00 00
sdc: assuming drive cache: write through
ready
SCSI device sdc: 943047310 512-byte hdwr sectors (482840 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 00 00 00
sdc: assuming drive cache: write through
sdc:<6>sd 4:0:0:1: Device not ready: <6>: Current: sense key: Not
Ready
Additional sense: Medium not present
end_request: I/O error, dev sdc, sector 0
printk: 142 messages suppressed.
Buffer I/O error on device sdc, logical block 0
sd 4:0:0:1: Device not ready: <6>: Current: sense key: Not Ready
Additional sense: Medium not present
end_request: I/O error, dev sdc, sector 0
sd 4:0:0:1: Device not ready: <6>: Current: sense key: Not Ready
Additional sense: Medium not present
end_request: I/O error, dev sdc, sector 2
unable to read partition table
SCSI device sdc: 943047310 512-byte hdwr sectors (482840 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 00 00 00
sdc: assuming drive cache: write through
SCSI device sdc: 943047310 512-byte hdwr sectors (482840 MB)
sdc: Write Protect is off
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And it repeats until I pull the card out.
Well, I was finally able to get the camera to reformat the card, and
everything seemed to work even though the pictures taken were long
gone.
Now, the same problem has occurred, except without the Windows part.
The pictures were viewable in the camera, I pulled the card out, put
it in the USB card reader, and thud. Nothing. This time, we tried a
PCMCIA CF card adapter in a WinXP box, which could not mount the card
either. It showed up as a device, but empty.
I have _NOT_ told the camera to reformat this time, in hopes that the
data might be recoverable.
Does anyone believe there is any hope of recovering this data? Can you
suggest a technique or service?