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    <body><span class="vcard"><a class="email" href="mailto:ossy&#64;webkit.org" title="Csaba Osztrogonác &lt;ossy&#64;webkit.org&gt;"> <span class="fn">Csaba Osztrogonác</span></a>
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              <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [EFL] False positive test passes with XvfbDriver"
   href="https://bugs.webkit.org/show_bug.cgi?id=146104">bug 146104</a>
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            <th>What</th>
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           <td>ossy&#64;webkit.org
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [EFL] False positive test passes with XvfbDriver"
   href="https://bugs.webkit.org/show_bug.cgi?id=146104#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [EFL] False positive test passes with XvfbDriver"
   href="https://bugs.webkit.org/show_bug.cgi?id=146104">bug 146104</a>
              from <span class="vcard"><a class="email" href="mailto:ossy&#64;webkit.org" title="Csaba Osztrogonác &lt;ossy&#64;webkit.org&gt;"> <span class="fn">Csaba Osztrogonác</span></a>
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        <pre>Any update on it? It's not so good that we have many false positive passes.

Otherwise how is it possible to pass any test with XVFBDriver?
I can run tests only with USE_NATIVE_XDISPLAY=1.

All of them crashes for me with the following log:

STDERR: ERR&lt;8579&gt;:evas-gl_x11 modules/evas/engines/gl_x11/evas_x_main.c:1111 eng_best_visual_get() glXChooseFBConfig() can't find any configs (alpha: 0, depth: 0, stencil: 0, msaa: 0)
STDERR: ERR&lt;8579&gt;:evas-gl_x11 modules/evas/engines/gl_x11/evas_x_main.c:1111 eng_best_visual_get() glXChooseFBConfig() can't find any configs (alpha: 0, depth: 0, stencil: 0, msaa: 0)
STDERR: ERR&lt;8579&gt;:evas-gl_x11 modules/evas/engines/gl_x11/evas_x_main.c:1111 eng_best_visual_get() glXChooseFBConfig() can't find any configs (alpha: 0, depth: 0, stencil: 0, msaa: 0)
STDERR: ERR&lt;8579&gt;:ecore_evas modules/ecore_evas/engines/x/ecore_evas_x.c:494 _ecore_evas_x_gl_window_new() evas_engine_info_set() for engine 'opengl_x11' failed.
STDERR: ERR&lt;8579&gt;:ecore_evas modules/ecore_evas/engines/x/ecore_evas_x.c:4448 ecore_evas_gl_x11_options_new_internal() evas_engine_info_set() init engine 'opengl_x11' failed.
STDERR: ERR&lt;8579&gt;:evas_main lib/evas/canvas/evas_gl.c:138 evas_gl_new() Evas GL engine not available.
STDERR: 1   0x7ffbce3ad808
STDERR: 2   0x7ffbc99bd2f0
STDERR: 3   0x7ffbccaf2fcc WTF::HashTableIterator&lt;unsigned int, WTF::KeyValuePair&lt;unsigned int, WebCore::GraphicsContext3D::ShaderSourceEntry&gt;, WTF::KeyValuePairKeyExtractor&lt;WTF::KeyValuePair&lt;unsigned int, WebCore::GraphicsContext3D::ShaderSourceEntry&gt; &gt;, WTF::IntHash&lt;unsigned int&gt;, WTF::HashMap&lt;unsigned int, WebCore::GraphicsContext3D::ShaderSourceEntry, WTF::IntHash&lt;unsigned int&gt;, WTF::HashTraits&lt;unsigned int&gt;, WTF::HashTraits&lt;WebCore::GraphicsContext3D::ShaderSourceEntry&gt; &gt;::KeyValuePairTraits, WTF::HashTraits&lt;unsigned int&gt; &gt; WTF::HashTable&lt;unsigned int, WTF::KeyValuePair&lt;unsigned int, WebCore::GraphicsContext3D::ShaderSourceEntry&gt;, WTF::KeyValuePairKeyExtractor&lt;WTF::KeyValuePair&lt;unsigned int, WebCore::GraphicsContext3D::ShaderSourceEntry&gt; &gt;, WTF::IntHash&lt;unsigned int&gt;, WTF::HashMap&lt;unsigned int, WebCore::GraphicsContext3D::ShaderSourceEntry, WTF::IntHash&lt;unsigned int&gt;, WTF::HashTraits&
STDERR: 4   0x7ffbccaf691b WebCore::GraphicsContext3D::mappedSymbolName(unsigned int, WebCore::ANGLEShaderSymbolType, WTF::String const&amp;)
STDERR: 5   0x7ffbccaf7291 WebCore::GraphicsContext3D::getUniformLocation(unsigned int, WTF::String const&amp;)
STDERR: 6   0x7ffbccb09838 WebCore::TextureMapperShaderProgram::getLocation(WTF::AtomicString const&amp;, WebCore::TextureMapperShaderProgram::VariableType)
STDERR: 7   0x7ffbccb07893 WebCore::TextureMapperGL::drawSolidColor(WebCore::FloatRect const&amp;, WebCore::TransformationMatrix const&amp;, WebCore::Color const&amp;)
STDERR: 8   0x7ffbcc13f6c7 WebKit::CoordinatedGraphicsScene::paintToGraphicsContext(WebCore::PlatformContextCairo*, WebCore::Color const&amp;, bool)
STDERR: 9   0x7ffbcc1a11fa WebKit::WebViewEfl::paintToCairoSurface(_cairo_surface*)
STDERR: 10  0x7ffbcc158ee9 EwkView::displayTimerFired()
STDERR: 11  0x7ffbcc6ce97f WebCore::ThreadTimers::sharedTimerFiredInternal()
STDERR: 12  0x7ffbccac48cd
STDERR: 13  0x7ffbcab5e4c9
STDERR: 14  0x7ffbcab5e5fb
STDERR: 15  0x7ffbcab5a371
STDERR: 16  0x7ffbcab5a7c7 ecore_main_loop_begin
STDERR: 17  0x41ab3f WTR::TestInvocation::invoke()
STDERR: 18  0x41265a WTR::TestController::runTest(char const*)
STDERR: 19  0x41283b WTR::TestController::runTestingServerLoop()
STDERR: 20  0x419c58 WTR::TestController::TestController(int, char const**)
STDERR: 21  0x40c7ab main
STDERR: 22  0x7ffbc99a8a40 __libc_start_main
STDERR: 23  0x40c809 _start</pre>
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