[Webkit-unassigned] [Bug 46338] New: REGRESSION: in Hotmail, a hang occurs after placing focus in the message body
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Sep 22 21:42:51 PDT 2010
https://bugs.webkit.org/show_bug.cgi?id=46338
Summary: REGRESSION: in Hotmail, a hang occurs after placing
focus in the message body
Product: WebKit
Version: 528+ (Nightly build)
Platform: All
OS/Version: Mac OS X 10.6
Status: NEW
Severity: Blocker
Priority: P1
Component: JavaScriptCore
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: cpetersen at apple.com
1) On 10.6.4 with Safari 5.0.2 installed, launch Webkit NB ( r68077 )
2) Login to your Hotmail account
3) Create a new rich text message
4) Click in the message body of new message and a hang occurs
Analysis of sampling Safari (pid 9482) every 1 millisecond
Call graph:
3273 Thread_248688 DispatchQueue_1: com.apple.main-thread (serial)
3273 0x22ffffffff
3273 JSC::RegExp::match(JSC::UString const&, int, WTF::Vector<int, 32ul>*)
805 0x52ced7559394
435 0x52ced755937d
433 0x52ced75593b5
404 0x52ced7559310
401 0x52ced755939a
394 0x52ced75593c3
388 0x52ced755936f
13 0x52ced7559385
3273 Thread_248698 DispatchQueue_2: com.apple.libdispatch-manager (serial)
3273 start_wqthread
3273 _pthread_wqthread
3273 _dispatch_worker_thread2
3273 _dispatch_queue_invoke
3273 _dispatch_mgr_invoke
3273 kevent
3273 Thread_248700: WebCore: IconDatabase
3273 thread_start
3273 _pthread_start
3273 WebCore::IconDatabase::iconDatabaseSyncThread()
3273 WebCore::IconDatabase::syncThreadMainLoop()
3273 _pthread_cond_wait
3273 __semwait_signal
3273 Thread_248703: Safari: SafeBrowsingManager
3273 thread_start
3273 _pthread_start
3273 0x10002f9d1
3273 0x10002fa41
3273 CFRunLoopRunSpecific
3273 __CFRunLoopRun
3213 mach_msg
3213 mach_msg_trap
31 0x10004e059
31 0x100054492
20 0x1000547bf
19 0x100054b03
19 0x1000327e2
19 sqlite3_step
19 sqlite3VdbeExec
8 sqlite3VdbeExec
5 sqlite3BtreeMovetoUnpacked
3 sqlite3VdbeIdxRowid
1 sqlite3BtreeParseCellPtr
1 sqlite3VdbeMemRelease
1 sqlite3VdbeSerialGet
2 sqlite3VdbeSerialGet
1 sqlite3BtreeNext
1 getAndInitPage
1 sqlite3PagerAcquire
1 unixRead
1 pread
1 0x100054ac9
1 sqlite3_column_int
11 0x100054830
11 0x100054e9b
11 0x1000327e2
11 sqlite3_step
11 sqlite3VdbeExec
5 sqlite3BtreeMovetoUnpacked
3 sqlite3BtreeMovetoUnpacked
1 getAndInitPage
1 sqlite3PagerAcquire
1 unixRead
1 pread
1 sqlite3GetVarint
4 sqlite3VdbeExec
2 sqlite3VdbeIdxRowid
29 __CFRunLoopDoSources0
25 MultiplexerSource::perform()
24 URLConnectionClient::processEvents()
24 URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long)
24 URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long)
24 URLConnectionClient::_clientDidFinishLoading(URLConnectionClient::ClientConnectionEventQueue*)
24 0x10005525c
15 0x10005545a
15 0x100056512
15 0x100056897
15 0x10005658e
15 sqlite3_exec
15 sqlite3_step
15 sqlite3VdbeExec
15 sqlite3VdbeHalt
15 sqlite3BtreeCommitPhaseTwo
15 pager_end_transaction
9 unixDelete
9 unlink
9 __unlink
6 closeUnixFile
6 close
6 0x1000554c9
6 0x100056b40
6 0x100058eef
6 0x100059037
6 0x1000327e2
6 sqlite3_step
6 sqlite3VdbeExec
6 sqlite3VdbeHalt
6 sqlite3BtreeCommitPhaseOne
6 sqlite3PagerCommitPhaseOne
4 unixSync
4 fsync
2 syncJournal
2 unixSync
2 fsync
3 0x10005543a
3 0x1000323e6
3 0x1000327e2
3 sqlite3_step
3 sqlite3VdbeExec
3 sqlite3BtreeBeginTrans
3 sqlite3PagerAcquire
3 sqlite3PcacheFetch
3 pcache1Fetch
1 URLConnectionLoader::processEvents()
1 URLConnectionLoader::LoaderConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XLoaderEvent, XLoaderEventParams>*, long)
1 URLConnectionLoader::loaderScheduleOriginLoad(_CFURLRequest const*)
1 HTTPProtocol::createAndOpenStream()
1 HTTPProtocol::createStream()
1 HTTPProtocol::addCookies(__CFHTTPMessage*, _CFURLRequest const*)
1 _CFHTTPCookieStorageGetDefault
1 CFHTTPCookieStorageCreateFromFile
1 HTTPCookieStorage::initialize(__CFURL const*, OpaqueCFHTTPCookieStorage*)
1 PrivateHTTPCookieStorage::copyStorage(__CFAllocator const*, __CFURL const*)
1 CFDictionaryGetValue
1 CFBasicHashFindBucket
1 ___CFBasicHashFindBucket1
1 __CFURLHash
1 CFURLCopyLastPathComponent
1 _rangeOfLastPathComponent
1 CFStringFindWithOptions
1 CFStringFindWithOptionsAndLocale
4 __CFSocketPerformV0
4 __CFSocketDoCallback
4 SocketStream::_SocketCallBack_stream(__CFSocket*, unsigned long, __CFData const*, void const*, void*)
4 SocketStream::socketCallback(__CFSocket*, unsigned long, __CFData const*, void const*)
4 SocketStream::dispatchSignalFromSocketCallbackUnlocked(SocketStreamSignalHolder*)
4 _CFStreamSignalEvent
4 CFRunLoopContainsSource
4 CFSetContainsValue
4 CFBasicHashGetCountOfKey
4 ___CFBasicHashFindBucket1
3273 Thread_248704
3273 thread_start
3273 _pthread_start
3273 __NSThread__main__
3273 +[NSURLConnection(NSURLConnectionReallyInternal) _resourceLoadLoop:]
3273 CFRunLoopRunSpecific
3273 __CFRunLoopRun
3273 mach_msg
3273 mach_msg_trap
3273 Thread_248707
3273 thread_start
3273 _pthread_start
3273 __CFSocketManager
3273 select$DARWIN_EXTSN
3273 Thread_248714: Safari: SnapshotStore
3273 thread_start
3273 _pthread_start
3273 0x10004738d
3273 0x10004750f
3273 0x1001be851
3273 WTF::ThreadCondition::timedWait(WTF::Mutex&, double)
3273 _pthread_cond_wait
3273 __semwait_signal
3273 Thread_248764: WebCore: LocalStorage
3273 thread_start
3273 _pthread_start
3273 WebCore::LocalStorageThread::threadEntryPoint()
3273 WTF::ThreadCondition::timedWait(WTF::Mutex&, double)
3273 _pthread_cond_wait
3273 __semwait_signal
3273 Thread_248818
3273 thread_start
3273 _pthread_start
3273 thread_fun
3273 CA::Render::Server::server_thread(void*)
3273 mach_msg
3273 mach_msg_trap
2705 Thread_248922
2705 start_wqthread
2705 _pthread_wqthread
2705 __workq_kernreturn
568 Thread_248699
568 start_wqthread
568 _pthread_wqthread
568 __workq_kernreturn
15 Thread_248933
15 thread_start
14 _pthread_start
14 si_async_launchpad
14 si_addrinfo
14 search_addrinfo
14 _mdns_addrinfo
14 _mdns_search
14 _mdns_query_mDNSResponder
14 kevent
1 __spin_lock
Total number in stack (recursive counted multiple, when >=5):
8 _pthread_start
8 thread_start
5 sqlite3VdbeExec
5 sqlite3_step
Sort by top of stack, same collapsed (when >= 5):
__semwait_signal 9819
mach_msg_trap 9759
kevent 3287
__workq_kernreturn 3273
select$DARWIN_EXTSN 3273
0x52ced7559394 805
0x52ced755937d 435
0x52ced75593b5 433
0x52ced7559310 404
0x52ced755939a 401
0x52ced75593c3 394
0x52ced755936f 388
0x52ced7559385 13
sqlite3VdbeExec 12
__unlink 9
sqlite3BtreeMovetoUnpacked 8
close 6
fsync 6
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