[Webkit-unassigned] [Bug 19352] New: Assertion failure in Page::initGroup() (!m_singlePageGroup) during navigation with the debugger attached

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=19352

           Summary: Assertion failure in Page::initGroup()
                    (!m_singlePageGroup) during navigation with the debugger
                    attached
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mitz at webkit.org


No known steps to reproduce yet, but it happened after I navigated from a page
I was previously debugging.

ASSERTION FAILED: !m_singlePageGroup 
(WebCore/page/Page.cpp:243 void WebCore::Page::initGroup()) 

Thread 0 Crashed:
0   com.apple.WebCore                   0x02adafac WebCore::Page::initGroup() +
82 (Page.cpp:243)
1   com.apple.WebCore                   0x02757383 WebCore::Page::group() + 27
(Page.h:100)
2   com.apple.WebCore                   0x02de2107
WebCore::JavaScriptDebugServer::pauseIfNeeded(WebCore::Page*) + 473
(JavaScriptDebugServer.cpp:414)
3   com.apple.WebCore                   0x02de22d6
WebCore::JavaScriptDebugServer::atStatement(KJS::DebuggerCallFrame const&, int,
int) + 196 (JavaScriptDebugServer.cpp:439)
4   com.apple.JavaScriptCore            0x0072a0e2
KJS::Machine::debug(KJS::ExecState*, KJS::Instruction const*, KJS::CodeBlock
const*, KJS::ScopeChainNode*, KJS::Register**, KJS::Register*) + 382
(Machine.cpp:852)
5   com.apple.JavaScriptCore            0x007325b4
KJS::Machine::privateExecute(KJS::Machine::ExecutionFlag, KJS::ExecState*,
KJS::RegisterFile*, KJS::Register*, KJS::ScopeChainNode*, KJS::CodeBlock*,
KJS::JSValue**) + 28268 (Machine.cpp:2392)
6   com.apple.JavaScriptCore            0x00732e31
KJS::Machine::execute(KJS::FunctionBodyNode*, KJS::ExecState*,
KJS::FunctionImp*, KJS::JSObject*, KJS::List const&, KJS::RegisterFileStack*,
KJS::ScopeChainNode*, KJS::JSValue**) + 681 (Machine.cpp:740)
7   com.apple.JavaScriptCore            0x00682c63
KJS::FunctionImp::callAsFunction(KJS::ExecState*, KJS::JSObject*, KJS::List
const&) + 321 (function.cpp:95)
8   com.apple.JavaScriptCore            0x0069b80b
KJS::JSObject::call(KJS::ExecState*, KJS::JSObject*, KJS::List const&) + 215
(object.cpp:94)
9   com.apple.JavaScriptCore            0x0069d5c4
KJS::functionProtoFuncApply(KJS::ExecState*, KJS::JSObject*, KJS::List const&)
+ 436 (function_object.cpp:107)
10  com.apple.JavaScriptCore            0x00676a3e
KJS::PrototypeFunction::callAsFunction(KJS::ExecState*, KJS::JSObject*,
KJS::List const&) + 34 (function.cpp:734)
11  com.apple.JavaScriptCore            0x00731289
KJS::Machine::privateExecute(KJS::Machine::ExecutionFlag, KJS::ExecState*,
KJS::RegisterFile*, KJS::Register*, KJS::ScopeChainNode*, KJS::CodeBlock*,
KJS::JSValue**) + 23361 (Machine.cpp:2035)
12  com.apple.JavaScriptCore            0x00732e31
KJS::Machine::execute(KJS::FunctionBodyNode*, KJS::ExecState*,
KJS::FunctionImp*, KJS::JSObject*, KJS::List const&, KJS::RegisterFileStack*,
KJS::ScopeChainNode*, KJS::JSValue**) + 681 (Machine.cpp:740)
13  com.apple.JavaScriptCore            0x00682bd7
KJS::FunctionImp::callAsFunction(KJS::ExecState*, KJS::JSObject*, KJS::List
const&) + 181 (function.cpp:90)
14  com.apple.JavaScriptCore            0x0069b80b
KJS::JSObject::call(KJS::ExecState*, KJS::JSObject*, KJS::List const&) + 215
(object.cpp:94)
15  com.apple.WebCore                   0x02cd804d
WebCore::ScheduledAction::execute(WebCore::JSDOMWindowShell*) + 435
(ScheduledAction.cpp:75)
16  com.apple.WebCore                   0x02dd33e1
WebCore::JSDOMWindowBase::timerFired(WebCore::DOMWindowTimer*) + 83
(JSDOMWindowBase.cpp:1264)
17  com.apple.WebCore                   0x02dd35bc
WebCore::DOMWindowTimer::fired() + 48 (JSDOMWindowBase.cpp:1315)
18  com.apple.WebCore                   0x02d118fa
WebCore::TimerBase::fireTimers(double, WTF::Vector<WebCore::TimerBase*, 0ul>
const&) + 198 (Timer.cpp:350)
19  com.apple.WebCore                   0x02d119a2
WebCore::TimerBase::sharedTimerFired() + 110 (Timer.cpp:370)
20  com.apple.WebCore                   0x02cec01a
WebCore::timerFired(__CFRunLoopTimer*, void*) + 78 (SharedTimerMac.mm:85)


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