RESOLVED FIXED 71291
Web Inspector: [JSC] Breakpoins don't work when debugging Web Inspector 
https://bugs.webkit.org/show_bug.cgi?id=71291
Summary Web Inspector: [JSC] Breakpoins don't work when debugging Web Inspector
Nikita Vasilyev
Reported 2011-11-01 09:24:08 PDT
Breakpoints used to didn't work on *some* functions (https://bugs.webkit.org/show_bug.cgi?id=42252), now they don't work at all. http://www.screenr.com/Wels Sometimes error like this happens and UI freezes: ➤ Tools/Scripts/run-safari --debug Starting Safari with DYLD_FRAMEWORK_PATH set to point to built WebKit in /Users/nv/Code/WebKit/WebKitBuild/Debug. ASSERTION FAILED: m_suspended /Users/nv/Code/WebKit/Source/WebCore/page/SuspendableTimer.cpp(76) : virtual void WebCore::SuspendableTimer::resume() 1 0x1035c4469 WebCore::SuspendableTimer::resume() 2 0x103528740 WebCore::ScriptExecutionContext::resumeActiveDOMObjects() 3 0x102a1055e WebCore::Document::resumeActiveDOMObjects() 4 0x1032c6924 WebCore::PageScriptDebugServer::setJavaScriptPaused(WebCore::Frame*, bool) 5 0x1032c69e0 WebCore::PageScriptDebugServer::setJavaScriptPaused(WebCore::Page*, bool) 6 0x1032c6a71 WebCore::PageScriptDebugServer::setJavaScriptPaused(WebCore::PageGroup const&, bool) 7 0x1032c6b34 WebCore::PageScriptDebugServer::didContinue(JSC::JSGlobalObject*) 8 0x10351fb7f WebCore::ScriptDebugServer::pauseIfNeeded(JSC::JSGlobalObject*) 9 0x10351fc87 WebCore::ScriptDebugServer::updateCallFrameAndPauseIfNeeded(JSC::DebuggerCallFrame const&, long, int) 10 0x10351fefd WebCore::ScriptDebugServer::atStatement(JSC::DebuggerCallFrame const&, long, int) 11 0x101d70c1d JSC::Interpreter::debug(JSC::ExecState*, JSC::DebugHookID, int, int) 12 0x101d9aba4 cti_op_debug 13 0x101d99ae1 jscGeneratedNativeCode 14 0x101d78042 JSC::JITCode::execute(JSC::RegisterFile*, JSC::ExecState*, JSC::JSGlobalData*) 15 0x101d720fa JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) 16 0x101cf5dc7 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) 17 0x102e6db10 WebCore::JSMainThreadExecState::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) 18 0x102f3f8b5 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) 19 0x102b883f0 WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul>&) 20 0x102b88936 WebCore::EventTarget::fireEventListeners(WebCore::Event*) 21 0x10327dc29 WebCore::Node::handleLocalEvents(WebCore::Event*) 22 0x102b6a012 WebCore::EventContext::handleLocalEvents(WebCore::Event*) const 23 0x102b6b63f WebCore::EventDispatcher::dispatchEvent(WTF::PassRefPtr<WebCore::Event>) 24 0x102b6a153 WebCore::EventDispatchMediator::dispatchEvent(WebCore::EventDispatcher*) const 25 0x102b6a227 WebCore::FocusEventDispatchMediator::dispatchEvent(WebCore::EventDispatcher*) const 26 0x102b6aaa1 WebCore::EventDispatcher::dispatchEvent(WebCore::Node*, WTF::PassRefPtr<WebCore::EventDispatchMediator>) 27 0x10327d6ad WebCore::Node::dispatchFocusEvent(WTF::PassRefPtr<WebCore::Node>) 28 0x102bb3adc WebCore::dispatchEventsOnWindowAndFocusedNode(WebCore::Document*, bool) 29 0x102bb3cba WebCore::FocusController::setActive(bool) 30 0x10108c80e WebKit::WebPage::setActive(bool) 31 0x10114dd10 void CoreIPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(bool), bool>(CoreIPC::Arguments1<bool> const&, WebKit::WebPage*, void (WebKit::WebPage::*)(bool))
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Blaze Burg
Comment 1 2014-01-12 10:14:38 PST
This no longer fails unconditionally, after some changes to JSC in the past few months. I have occasionally run into crashes, but those should be reported in new bugs.
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