[Webkit-unassigned] [Bug 71291] New: Web Inspector: Breakpoins doesn't work when debugging Web Inspector

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=71291

           Summary: Web Inspector: Breakpoins doesn't work when debugging
                    Web Inspector
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: me at elv1s.ru
                CC: timothy at apple.com, rik at webkit.org, keishi at webkit.org,
                    pmuellr at yahoo.com, joepeck at webkit.org,
                    pfeldman at chromium.org, yurys at chromium.org,
                    bweinstein at apple.com, apavlov at chromium.org,
                    loislo at chromium.org


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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