140703 2015-01-20 16:53:10 -0800 [Win] Layout Test loader/go-back-cached-main-resource.html fails 2015-09-06 23:08:21 -0700 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) PC All NEW https://bugs.webkit.org/show_bug.cgi?id=134550 P2 Normal --- 1 bfulgham webkit-unassigned oldest_to_newest 1062944 0 bfulgham 2015-01-20 16:53:10 -0800 The following layout test is flaky on Windows (Debug and Release): loader/go-back-cached-main-resource.html Probable cause: The first resource load event is happening before the test harness calls 'dumpResourceLoadCallbacks', so it is not getting added to the URL cache. When we later attempt to look up the URL by identifier, it doesn't find it and we return (null). --- /home/buildbot/slave/win-release-tests/build/layout-test-results/loader/go-back-cached-main-resource-expected.txt +++ /home/buildbot/slave/win-release-tests/build/layout-test-results/loader/go-back-cached-main-resource-actual.txt @@ -1,5 +1,5 @@ resources/first-page.html - willSendRequest <NSURLRequest URL resources/first-page.html, main document URL resources/first-page.html, http method GET> redirectResponse (null) -go-back-cached-main-resource.html - didFinishLoading +<unknown> - didFinishLoading resources/first-page.html - didReceiveResponse <NSURLResponse resources/first-page.html, http status code 0> 1063372 1 bfulgham 2015-01-22 09:40:38 -0800 A similar bug is affecting fast/preloader/scan-body-from-head-script.html. The test often passes in Debug mode. 1064612 2 bfulgham 2015-01-27 12:41:45 -0800 Also: security/block-test.html security/block-test-no-port.html