164593 2016-11-10 08:43:08 -0800 REGRESSION: ASSERTION FAILED: !m_installed encountered with API test WebKit1.AudioSessionCategoryIOS 2016-11-29 13:03:49 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 164751 P2 Normal --- 1 ryanhaddad webkit-unassigned achristensen cgarcia jer.noble oldest_to_newest 1249801 0 ryanhaddad 2016-11-10 08:43:08 -0800 ASSERTION FAILED: !m_installed encountered with API test WebKit1.AudioSessionCategoryIOS UNEXPECTEDLY EXITED WebKit1.AudioSessionCategoryIOS ASSERTION FAILED: !m_installed /Volumes/Data/slave/ios-simulator-10-debug/build/WebKitBuild/Debug-iphonesimulator/WebCore.framework/PrivateHeaders/MemoryPressureHandler.h(72) : void WebCore::MemoryPressureHandler::setLowMemoryHandler(LowMemoryHandler &&) 1 0x10494f2ed WTFCrash 2 0x1184ade39 WebCore::MemoryPressureHandler::setLowMemoryHandler(std::__1::function<void (WebCore::Critical, WebCore::Synchronous)>&&) 3 0x1184add98 -[WebView(WebPrivate) _commonInitializationWithFrameName:groupName:]::$_0::operator()() const 4 0x1184add3b void std::__1::__call_once_proxy<std::__1::tuple<-[WebView(WebPrivate) _commonInitializationWithFrameName:groupName:]::$_0&&> >(void*) 5 0x115c4f944 std::__1::__call_once(unsigned long volatile&, void*, void (*)(void*)) 6 0x118488fd5 -[WebView(WebPrivate) _commonInitializationWithFrameName:groupName:] 7 0x118489ba9 -[WebView(WebPrivate) _initWithFrame:frameName:groupName:] 8 0x11849c0af -[WebView initWithFrame:frameName:groupName:] 9 0x11849c00a -[WebView initWithFrame:] 10 0x113ac6693 -[UIWebDocumentView initWithWebView:frame:] 11 0x113eaa9fd -[UIWebBrowserView initWithWebView:frame:] 12 0x113ac64e5 -[UIWebDocumentView initWithFrame:] 13 0x113eaac0e -[UIWebBrowserView initWithFrame:] 14 0x113b14bc3 -[UIWebView _webViewCommonInitWithWebView:scalesPageToFit:] 15 0x113b15448 -[UIWebView initWithFrame:] 16 0x1036b896e TestWebKitAPI::WebKit1_AudioSessionCategoryIOS_Test::TestBody() 17 0x103874fca testing::Test::Run() 18 0x103875dfd testing::internal::TestInfoImpl::Run() 19 0x103876dfd testing::TestCase::Run() 20 0x10387d53b testing::internal::UnitTestImpl::RunAllTests() 21 0x10387d1b9 testing::UnitTest::Run() 22 0x1037d657c TestWebKitAPI::TestsController::run(int, char**) 23 0x103844fe5 main 24 0x11672c68d start 1249803 1 ryanhaddad 2016-11-10 08:44:54 -0800 https://build.webkit.org/builders/Apple%20iOS%2010%20Simulator%20Debug%20WK2%20(Tests)/builds/1433 1249999 2 ryanhaddad 2016-11-10 15:18:57 -0800 It looks like this started with https://trac.webkit.org/changeset/208534 1250505 3 ryanhaddad 2016-11-11 16:39:40 -0800 Alex, it looks like you fixed something related to this assertion for macOS in https://trac.webkit.org/changeset/208580 1254407 4 ryanhaddad 2016-11-29 13:03:49 -0800 *** This bug has been marked as a duplicate of bug 164751 ***