Assertion failure: !noPrimaryFrame (Ancestors of nodes with frames to be constructed lazily should have frames), at src/layout/base/nsCSSFrameConstructor.cpp:6366 #0 nsCSSFrameConstructor::CheckBitsForLazyFrameConstruction(nsIContent*) src/layout/base/nsCSSFrameConstructor.cpp:6367:3 #1 nsCSSFrameConstructor::MaybeConstructLazily(nsCSSFrameConstructor::Operation, nsIContent*) src/layout/base/nsCSSFrameConstructor.cpp:6439:3 #2 nsCSSFrameConstructor::ContentAppended(nsIContent*, nsCSSFrameConstructor::InsertionKind) src/layout/base/nsCSSFrameConstructor.cpp:6659:9 #3 mozilla::PresShell::ContentAppended(nsIContent*) src/layout/base/PresShell.cpp:4276:22 #4 nsNodeUtils::ContentAppended(nsIContent*, nsIContent*) src/dom/base/nsNodeUtils.cpp:176:3 #5 nsINode::InsertChildBefore(nsIContent*, nsIContent*, bool) src/dom/base/nsINode.cpp:1300:7 #6 nsINode::ReplaceOrInsertBefore(bool, nsINode*, nsINode*, mozilla::ErrorResult&) src/dom/base/nsINode.cpp:2397:14 #7 mozilla::dom::HTMLTableElement::CreateTHead() src/dom/html/HTMLTableElement.cpp:586:14 #8 mozilla::dom::HTMLTableElement_Binding::createTHead(JSContext*, JS::Handle<JSObject*>, mozilla::dom::HTMLTableElement*, JSJitMethodCallArgs const&) src/obj-firefox/dom/bindings/HTMLTableElementBinding.cpp:308:58 #9 bool mozilla::dom::binding_detail::GenericMethod<mozilla::dom::binding_detail::NormalThisPolicy, mozilla::dom::binding_detail::ThrowExceptions>(JSContext*, unsigned int, JS::Value*) src/dom/bindings/BindingUtils.cpp:3062:13 #10 CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), JS::CallArgs const&) src/js/src/vm/Interpreter.cpp:443:13 #11 js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct) src/js/src/vm/Interpreter.cpp:535:12 #12 InternalCall(JSContext*, js::AnyInvokeArgs const&) src/js/src/vm/Interpreter.cpp:590:10 #13 Interpret(JSContext*, js::RunState&) src/js/src/vm/Interpreter.cpp:3320:16 #14 js::RunScript(JSContext*, js::RunState&) src/js/src/vm/Interpreter.cpp:423:10 #15 js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct) src/js/src/vm/Interpreter.cpp:563:13 #16 InternalCall(JSContext*, js::AnyInvokeArgs const&) src/js/src/vm/Interpreter.cpp:590:10 #17 js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>) src/js/src/vm/Interpreter.cpp:606:8 #18 JS::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>) src/js/src/jsapi.cpp:2649:10 #19 mozilla::dom::EventHandlerNonNull::Call(JSContext*, JS::Handle<JS::Value>, mozilla::dom::Event&, JS::MutableHandle<JS::Value>, mozilla::ErrorResult&) src/obj-firefox/dom/bindings/EventHandlerBinding.cpp:265:37 #20 void mozilla::dom::EventHandlerNonNull::Call<nsISupports*>(nsISupports* const&, mozilla::dom::Event&, JS::MutableHandle<JS::Value>, mozilla::ErrorResult&, char const*, mozilla::dom::CallbackObject::ExceptionHandling, JS::Realm*) src/obj-firefox/dist/include/mozilla/dom/EventHandlerBinding.h:363:12 #21 mozilla::JSEventHandler::HandleEvent(mozilla::dom::Event*) src/dom/events/JSEventHandler.cpp:205:12 #22 mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*) src/dom/events/EventListenerManager.cpp:1043:51 #23 mozilla::EventListenerManager::HandleEventInternal(nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event**, mozilla::dom::EventTarget*, nsEventStatus*, bool) src/dom/events/EventListenerManager.cpp:1238:17 #24 mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&) src/dom/events/EventDispatcher.cpp:350:17 #25 mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) src/dom/events/EventDispatcher.cpp:552:16 #26 mozilla::EventDispatcher::Dispatch(nsISupports*, nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsEventStatus*, mozilla::EventDispatchingCallback*, nsTArray<mozilla::dom::EventTarget*>*) src/dom/events/EventDispatcher.cpp:1042:11 #27 nsDocumentViewer::LoadComplete(nsresult) src/layout/base/nsDocumentViewer.cpp:1103:7 #28 nsDocShell::EndPageLoad(nsIWebProgress*, nsIChannel*, nsresult) src/docshell/base/nsDocShell.cpp:6709:21 #29 nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) src/docshell/base/nsDocShell.cpp:6513:7 #30 non-virtual thunk to nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) src/docshell/base/nsDocShell.cpp #31 nsDocLoader::DoFireOnStateChange(nsIWebProgress*, nsIRequest*, int&, nsresult) src/uriloader/base/nsDocLoader.cpp:1235:3 #32 nsDocLoader::doStopDocumentLoad(nsIRequest*, nsresult) src/uriloader/base/nsDocLoader.cpp:794:14 #33 nsDocLoader::DocLoaderIsEmpty(bool) src/uriloader/base/nsDocLoader.cpp:693:9 #34 nsDocLoader::OnStopRequest(nsIRequest*, nsISupports*, nsresult) src/uriloader/base/nsDocLoader.cpp:589:5 #35 non-virtual thunk to nsDocLoader::OnStopRequest(nsIRequest*, nsISupports*, nsresult) src/uriloader/base/nsDocLoader.cpp #36 mozilla::net::nsLoadGroup::RemoveRequest(nsIRequest*, nsISupports*, nsresult) src/netwerk/base/nsLoadGroup.cpp:579:22 #37 nsIDocument::DoUnblockOnload() src/dom/base/nsDocument.cpp:7728:18 #38 nsDocument::UnblockOnload(bool) src/dom/base/nsDocument.cpp:7660:9 #39 nsIDocument::DispatchContentLoadedEvents() src/dom/base/nsDocument.cpp:4829:3 #40 mozilla::detail::RunnableMethodImpl<nsIDocument*, void (nsIDocument::*)(), true, (mozilla::RunnableKind)0>::Run() src/obj-firefox/dist/include/nsThreadUtils.h:1158:13 #41 nsThread::ProcessNextEvent(bool, bool*) src/xpcom/threads/nsThread.cpp:1157:14 #42 NS_ProcessNextEvent(nsIThread*, bool) src/xpcom/threads/nsThreadUtils.cpp:468:10 #43 mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) src/ipc/glue/MessagePump.cpp:88:21 #44 MessageLoop::RunInternal() src/ipc/chromium/src/base/message_loop.cc:314:10 #45 MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:289:3 #46 nsBaseAppShell::Run() src/widget/nsBaseAppShell.cpp:137:27 #47 nsAppStartup::Run() src/toolkit/components/startup/nsAppStartup.cpp:271:30 #48 XREMain::XRE_mainRun() src/toolkit/xre/nsAppRunner.cpp:4616:22 #49 XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) src/toolkit/xre/nsAppRunner.cpp:4754:8 #50 XRE_main(int, char**, mozilla::BootstrapConfig const&) src/toolkit/xre/nsAppRunner.cpp:4839:21 #51 do_main(int, char**, char**) src/browser/app/nsBrowserApp.cpp:214:22 #52 main src/browser/app/nsBrowserApp.cpp:293:16 #53 __libc_start_main /build/glibc-Cl5G7W/glibc-2.23/csu/../csu/libc-start.c:291 #54 _start (firefox+0x349f4)

The test case as column-span:all.