QXcbConnection: XCB error:



  • hello all :
    just i builded the qt5.8 source code on arm board with unbuntu14.04 system , when i run the hello world app , blowing log like this :

    QML debugging is enabled. Only use this in a safe environment.
    QXcbConnection: XCB error: 8 (BadMatch), sequence: 191, resource id: 67, major code: 1 (CreateWindow), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 192, resource id: 6291460, major code: 2 (ChangeWindowAttributes), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 193, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 194, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 195, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 197, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 198, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 199, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 202, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 203, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 204, resource id: 6291460, major code: 2 (ChangeWindowAttributes), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 205, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 208, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 209, resource id: 6291460, major code: 20 (GetProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 213, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 214, resource id: 6291460, major code: 19 (DeleteProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 215, resource id: 6291460, major code: 20 (GetProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 216, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 217, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 218, resource id: 6291460, major code: 19 (DeleteProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 219, resource id: 6291460, major code: 20 (GetProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 220, resource id: 6291460, major code: 18 (ChangeProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 221, resource id: 6291460, major code: 20 (GetProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 222, resource id: 6291460, major code: 19 (DeleteProperty), minor code: 0
    QXcbConnection: XCB error: 3 (BadWindow), sequence: 223, resource id: 6291460, major code: 8 (MapWindow), minor code: 0

    can you help me to solve this problem ?


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