[Webkit-unassigned] [Bug 28656] New: REGRESSION: r47676 hangs when loading page on Leopard/PPC

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=28656

           Summary: REGRESSION: r47676 hangs when loading page on
                    Leopard/PPC
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh PowerPC
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Blocker
          Priority: P1
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jon at jonshier.com


Since my build last night, I've been getting this hang when trying to use ToT
in Safari on Leopard/PPC.

Exception Type:  EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000008
Crashed Thread:  0

Thread 0 Crashed:
0   com.apple.JavaScriptCore          0x00523630 JSC::JSFunction::~JSFunction()
+ 48
1   com.apple.JavaScriptCore          0x0060e6a8 JSC::VPtrSet::VPtrSet() + 584
2   com.apple.JavaScriptCore          0x0060e6a8 JSC::VPtrSet::VPtrSet() + 584
3   com.apple.JavaScriptCore          0x0060f6a0
JSC::JSGlobalData::createLeaked() + 32 (JSGlobalData.cpp:105)
4   com.apple.WebCore                 0x019d7ecc
WebCore::JSDOMWindowBase::commonJSGlobalData() + 44 (JSDOMWindowBase.cpp:168)
5   com.apple.WebCore                 0x019e20c4
WebCore::JSDOMWindowShell::operator new(unsigned long) + 20
(JSDOMWindowShell.cpp:152)
6   com.apple.WebCore                 0x01d92474
WebCore::ScriptController::initScript() + 68 (ScriptController.cpp:162)
7   com.apple.WebCore                 0x01d92984
WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) + 340
(ScriptController.h:143)
8   com.apple.WebCore                 0x017ebfb8
WebCore::FrameLoader::executeScript(WebCore::ScriptSourceCode const&) + 392
(FrameLoader.cpp:765)
9   com.apple.WebCore                 0x018a8494
WebCore::HTMLTokenizer::scriptExecution(WebCore::ScriptSourceCode const&,
WebCore::HTMLTokenizer::State) + 932 (HTMLTokenizer.cpp:561)
10  com.apple.WebCore                 0x018a9224
WebCore::HTMLTokenizer::scriptHandler(WebCore::HTMLTokenizer::State) + 3380
(HTMLTokenizer.cpp:503)
11  com.apple.WebCore                 0x018a98cc
WebCore::HTMLTokenizer::parseNonHTMLText(WebCore::SegmentedString&,
WebCore::HTMLTokenizer::State) + 476 (HTMLTokenizer.cpp:350)
12  com.apple.WebCore                 0x018ac840
WebCore::HTMLTokenizer::parseTag(WebCore::SegmentedString&,
WebCore::HTMLTokenizer::State) + 10304 (HTMLTokenizer.cpp:1520)
13  com.apple.WebCore                 0x018ad2d4
WebCore::HTMLTokenizer::write(WebCore::SegmentedString const&, bool) + 1204
(HTMLTokenizer.cpp:1748)
14  com.apple.WebCore                 0x017f1f60
WebCore::FrameLoader::write(char const*, int, bool) + 1424
(FrameLoader.cpp:1020)
15  com.apple.WebKit                  0x003209d8 -[WebFrame(WebInternal)
_receivedData:textEncodingName:] + 312 (WebFrame.mm:981)
16  com.apple.WebKit                  0x003384ec -[WebHTMLRepresentation
receivedData:withDataSource:] + 124 (WebHTMLRepresentation.mm:162)
17  com.apple.WebKit                  0x003109b4 -[WebDataSource(WebInternal)
_receivedData:] + 84 (WebDataSource.mm:222)
18  com.apple.WebKit                  0x003279b4
WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int)
+ 116 (WebFrameLoaderClient.mm:801)
19  com.apple.WebCore                 0x016cd798
WebCore::DocumentLoader::commitLoad(char const*, int) + 88
(DocumentLoader.cpp:342)
20  com.apple.WebCore                 0x01d7c4a4
WebCore::ResourceLoader::didReceiveData(char const*, int, long long, bool) + 68
(ResourceLoader.cpp:247)
21  com.apple.WebCore                 0x01c2d9c4
WebCore::MainResourceLoader::didReceiveData(char const*, int, long long, bool)
+ 2324 (MainResourceLoader.cpp:352)
22  com.apple.Foundation              0x94bbb2d4 _NSURLConnectionDidReceiveData
+ 136
23  com.apple.CFNetwork               0x93cdbb48
URLConnectionClient::_clientDidReceiveData(__CFData const*,
URLConnectionClient::ClientConnectionEventQueue*) + 256
24  com.apple.CFNetwork               0x93cdcb0c
URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent,
XClientEventParams>*, long) + 432
25  com.apple.CFNetwork               0x93cdccd8
URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent,
XClientEventParams>*, long) + 892
26  com.apple.CFNetwork               0x93cdb500
URLConnectionClient::processEvents() + 132
27  com.apple.CFNetwork               0x93c85020 MultiplexerSource::perform() +
168
28  com.apple.CoreFoundation          0x917950d0 CFRunLoopRunSpecific + 1104
29  com.apple.HIToolbox               0x90033b14 RunCurrentEventLoopInMode +
264
30  com.apple.HIToolbox               0x900338a0 ReceiveNextEventCommon + 260
31  com.apple.HIToolbox               0x90033778
BlockUntilNextEventMatchingListInMode + 84
32  com.apple.AppKit                  0x92c08244 _DPSNextEvent + 596
33  com.apple.AppKit                  0x92c07bfc -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 112
34  com.apple.SafariTest              0x0000db9c 0x1000 + 52124
35  com.apple.AppKit                  0x92c0189c -[NSApplication run] + 744
36  com.apple.AppKit                  0x92bd2298 NSApplicationMain + 440
37  com.apple.SafariTest              0x00002fcc 0x1000 + 8140

Application launches fine, but when I try to load a page (I have it set to a
blank page by default) it either freezes immediately, or after slightly loading
the page. From the look of the trace, probably when it tries JS activity for
the first time. I first noticed this problem at r47660.

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