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    SubjectRe: [Linux-usb-users] Re: Problems accessing USB Mass Storage


    Mark C wrote:
    > [root@stimpy mark]# dd if=/dev/sda of=tmp/tmp.img skip=50 \
    > bs=1k dd: reading `/dev/sda': Input/output error

    That's correct.

    > Then the output of dmesg:
    >
    > SCSI device (ioctl) reports ILLEGAL REQUEST.
    > SCSI device sda: 16384 512-byte hdwr sectors (8 MB)
    > sda: test WP failed, assume Write Enabled
    > sda: 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 96

    That's what I expected. I didn't help.


    Sector 96 is a little odd. 50 1K blocks
    should be sector 99. (counting starts at zero)

    I wonder why 96 is accessed...

    This is really starting to look like it's
    *NOT* really a Mass Storage Class device,
    just claiming to be. (black list time?)

    I noticed the windows driver setup several
    other interfaces, like audio and VfW (video).

    Best sugestion for now is buy 1) a memory card,
    2) a card reader that works there are several.

    It probably doesn't use the internal memory if a card
    is loaded, but you'd have to read the manul/test to
    find out. 8M isn't much room for pics at 1280x1024
    any way :)


    -Thomas

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