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Thread: SD card - Operation is already pending - Lubuntu 18.04

  1. #1
    Join Date
    Nov 2015
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    SD card - Operation is already pending - Lubuntu 18.04

    I'm having issues with SD cards I use for my 3d printer not mounting on my Lububtu 18.04 system

    I get an "Operation is already pending" message, and "operation was cancelled" when unplugged. This happens with all (both) my SD cards.

    In the past a restart has fixed this, but sadly not today.

    Any help debugging would be greatly appreciated.
    Last edited by steve234; 4 Weeks Ago at 07:36 PM. Reason: clarity

  2. #2
    Join Date
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    Galiza
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    Ubuntu

    Re: SD card - operation in process - Lubuntu 18.04

    What "operation in progress" is that, exactly?
    I mean does the message show up when you insert the card or after trying to copy something?

  3. #3
    Join Date
    Nov 2015
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    Re: SD card - operation in process - Lubuntu 18.04

    I'll fire her up after dinner and get back to you

  4. #4
    Join Date
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    Re: SD card - operation in process - Lubuntu 18.04

    Quote Originally Posted by CelticWarrior View Post
    What "operation in progress" is that, exactly?
    I mean does the message show up when you insert the card or after trying to copy something?
    Right, so I:


    1. Fire up the PC
    2. Open pcmanfm
    3. Insert SD card
      1. SD card shows up in left hand panel of pcmanfm, but is clearly not mounted (there's no little eject icon)

    4. Left click on SD card
      1. Error message appears in popup
        Code:
        An operation is already pending
        apologies - I was inaccurate in my first post.

    5. Clear error message by clicking OK
    6. Right click and select "mount volume"
      1. Same error pop-up as 4.1 above

    7. Clear error message in the same way as (5) above
    8. Right click and select "eject removable media"
      1. Pop-up says "operation was cancelled"

    9. Remove and reinsert SD card
      1. Steps 4-8 above repeat without letting me mount the card


    So something is happening - but no clues (from the UI that is) what the issue or "operation" is.

    **Edit - if i try to copy a file (drag and drop) the UI just puts the file back where it came from - if you know what I'm saying
    Last edited by steve234; 4 Weeks Ago at 07:38 PM. Reason: addition

  5. #5
    Join Date
    May 2013
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    Re: SD card - Operation is already pending - Lubuntu 18.04

    It's possible the cards and/or the reader are defective.
    I would test the cards in a different computer if available. Also they may need to be formatted again.

  6. #6
    Join Date
    Nov 2015
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    Re: SD card - Operation is already pending - Lubuntu 18.04

    I'm wondering whether it's a hardware issue. They work fine in the printer - including mounting and unmounting (though I appreciate that is not a "computer" in that sense)

  7. #7
    Join Date
    Nov 2009
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    Kubuntu 18.04 Bionic Beaver

    Re: SD card - Operation is already pending - Lubuntu 18.04

    usb (2.0) card reader costs 2 or 3 EUR. or maybe you could borrow it from someone to test it and see if it's an OS or hardware issue.
    Read the easy to understand, lots of pics Ubuntu manual.
    Do i need antivirus/firewall in linux?
    Full disk backup (newer kernel -> suitable for newer PC): Clonezilla
    User friendly full disk backup: Rescuezilla

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