It caused in: http://trac.webkit.org/changeset/145214 Diff is here: --- /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/layout-test-results/fullscreen/video-controls-drag-expected.txt +++ /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/layout-test-results/fullscreen/video-controls-drag-actual.txt @@ -2,10 +2,10 @@ EVENT(webkitfullscreenchange) First drag. -EXPECTED (endBox.left - startBox.left == '15') OK -EXPECTED (endBox.top - startBox.top == '15') OK +EXPECTED (endBox.left - startBox.left == '15'), OBSERVED '0' FAIL +EXPECTED (endBox.top - startBox.top == '15'), OBSERVED '0' FAIL Second drag. -EXPECTED (endBox.left - startBox.left == '5') OK -EXPECTED (endBox.top - startBox.top == '5') OK +EXPECTED (endBox.left - startBox.left == '5'), OBSERVED '0' FAIL +EXPECTED (endBox.top - startBox.top == '5'), OBSERVED '0' FAIL END OF TEST Could you check what happened to it?