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  1. Qt
  2. QTBUG-66935

setCursor(QPixmap) crashes xcb with VNC

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    Description

      QPixmap crashes it, but QBitmap does not.  Run the attached program from Ubuntu 16 (or 14) virtual machine with a VNC session.  I used vncserver and RealVNC Viewer on macos. It crashes regardless of VNC bit depth (16 or 24).  Before the crash, this prints

      qt_xcb_createCursorXRender: query_pict_formats failed

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-66897 XCB: Removal of cursor cache caused a big performance regression with many native windows

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
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              paeglis Gatis Paeglis
              remik Remik Ziemlinski
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                Created:
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                Resolved:

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