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  1. Qt
  2. QTBUG-57845

Images with mipmap disappear after suspend/resume

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P2: Important P2: Important
    • None
    • 5.8.0 RC, 5.11.1
    • Quick: Core Declarative QML
    • None
    • Ubuntu Linux 16.10 or 18.04, Nvidia graphics card

      Images that are scaled and have mipmap enabled disappear after the computer was suspended to RAM and resumed. This bug was encountered on Ubuntu Linux 16.10 with a Nvidia graphics card and the driver from Nvidia (version 367.57, as recommended in the Ubuntu settings dialog). It does not happen with the integrated graphics processor from Intel on the same machine.

      Attached is an example how to reproduce the bug and screenshots before and after the suspend/resume.

        1. smiley.png
          smiley.png
          2 kB
        2. screenshot-before-suspend.png
          screenshot-before-suspend.png
          15 kB
        3. screenshot-after-resume.png
          screenshot-after-resume.png
          14 kB
        4. main.qml
          0.4 kB
        5. garbled.png
          garbled.png
          11 kB
        6. DesktopIcon.png
          DesktopIcon.png
          36 kB
        7. CuraColorBug.png
          CuraColorBug.png
          962 kB
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            lagocs Laszlo Agocs
            enz Markus Enzenberger
            Votes:
            4 Vote for this issue
            Watchers:
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              Created:
              Updated:

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