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Problems with SDHC card: device descriptor read/64, error -71

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    Problems with SDHC card: device descriptor read/64, error -71

    When I try to read an 8gb SDHC card from my digital camera, odd things happen.

    First, Kubuntu detected the card. I could use krusader to open it and go down into /media/EOS-DIGITAL/DCIM/100_CANON and list the files. But when I started to copy them to my hard disk, it suddenly said the DCIM directory did not exist.

    I rebooted and things got worse. Now it does not seem to detect the card at all. Dmesg tells me, among other things,


    [ 442.194346] NVRM: os_raise_smp_barrier(), invalid context!
    [ 442.210803] NVRM: os_raise_smp_barrier(), invalid context!
    [ 443.711275] usb 1-2: new high speed USB device using ehci_hcd and address 8
    [ 443.840034] usb 1-2: device descriptor read/64, error -71
    [ 444.081275] usb 1-2: device descriptor read/64, error -71


    I have no idea what that means. I have found some related things on the Internet, but too complicated for my little brain.

    What to do?
    'I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.' Mark Twain

    #2
    Re: Problems with SDHC card: device descriptor read/64, error -71

    I thought the card reader might not support SDHC, but it works on my wife's Windows 7.
    'I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.' Mark Twain

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      #3
      Re: Problems with SDHC card: device descriptor read/64, error -71

      Going directly to the camera seems to be problematic for lots of cameras. Observing that issue, I have always used one of these: http://www.sandisk.com/products/read...-usb-20-reader

      Comment


        #4
        Re: Problems with SDHC card: device descriptor read/64, error -71

        Originally posted by dibl
        Going directly to the camera seems to be problematic for lots of cameras. Observing that issue, I have always used one of these: http://www.sandisk.com/products/read...-usb-20-reader
        I agree about cameras, dibl, which is why I am using such a device. However, not being certain that it is SCHD-compatible, I have ordered the model you recommended.

        Thanks. Will update this post when I receive the reader.
        'I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.' Mark Twain

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