Error qt and OpenGL broken library



  • While running a program on centos 7.6, below error is coming.

    QOpenGLShader::compile(Vertex): failed
    QOpenGLShader::compile(Fragment): failed
    QOpenGLShaderProgram::attributeLocation( a_vertex ): shader program is not
    linked
    QOpenGLShaderProgram::attributeLocation( a_normal ): shader program is not
    linked
    QOpenGLShaderProgram::attributeLocation( a_color ): shader program is not linked
    QOpenGLShaderProgram::uniformLocation( mvp_matrix ): shader program is not
    linked
    QOpenGLShaderProgram::uniformLocation( normal_matrix ): shader program is not
    linked
    QOpenGLShaderProgram::uniformLocation( point_size ): shader program is not
    linked
    QOpenGLShader::compile(Vertex): failed
    QOpenGLShader::compile(Fragment): failed
    QOpenGLShaderProgram::attributeLocation( a_vertex ): shader program is not
    linked
    QOpenGLShaderProgram::attributeLocation( a_normal ): shader program is not
    linked
    QOpenGLShaderProgram::attributeLocation( a_texcoord ): shader program is not
    linked
    QOpenGLShaderProgram::uniformLocation( mvp_matrix ): shader program is not
    linked
    QOpenGLShaderProgram::uniformLocation( normal_matrix ): shader program is not
    linked
    QOpenGLShaderProgram::uniformLocation( t_diffuse ): shader program is not linked
    QOpenGLShader::compile(Vertex): failed
    Vertex shader for simpleShaderProg (MainVertexShader & PositionOnlyVertexShader)
    failed to compile
    QOpenGLShader::compile(Fragment): failed
    Fragment shader for simpleShaderProg (MainFragmentShader &
    ShockingPinkSrcFragmentShader) failed to compile
    Errors linking simple shader:
    QOpenGLShader::compile(Vertex): failed
    Vertex shader for blitShaderProg (MainWithTexCoordsVertexShader &
    UntransformedPositionVertexShader) failed to compile
    QOpenGLShader::compile(Fragment): failed
    Fragment shader for blitShaderProg (MainFragmentShader & ImageSrcFragmentShader)
    failed to compile
    Errors linking blit shader:
    [xcb] Too much data requested from _XRead
    [xcb] This is most likely caused by a broken X extension library
    [xcb] Aborting, sorry about that.
    metashape: xcb_io.c:732: _XRead: Assertion `!xcb_xlib_too_much_data_requested'
    failed.


  • Qt Champions 2018

    @panks Which Qt version? What is your graphics hardware and driver?



  • @jsulm Hi,
    Thanks for the reply. GPU is NVIDIA Tesla V100 and driver is 396.26
    I am not able to find out qt version on this machine. It is cent os 7.6


  • Qt Champions 2018

    @panks Is it Qt which is provided by CentOS?


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