[Webkit-unassigned] [Bug 158639] [Yosemite Release WK2] imported/blink/storage/indexeddb/blob-delete-objectstore-db.html is a flaky timeout

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=158639

--- Comment #3 from Brady Eidson <beidson at apple.com> ---
NM, here:

https://build.webkit.org/results/Apple Yosemite Debug WK2 (Tests)/r202806 (13221)/imported/blink/storage/indexeddb/blob-delete-objectstore-db-crash-log.txt

Thread 2 Crashed:: IndexedDatabase Server
0   com.apple.JavaScriptCore          0x000000011258acd7 WTFCrash + 39
1   com.apple.WebCore                 0x0000000116d0be4c WebCore::TimerBase::stop() + 76
2   com.apple.WebCore                 0x0000000116d0bda9 WebCore::TimerBase::~TimerBase() + 41
3   com.apple.WebCore                 0x0000000114906a91 WebCore::Timer::~Timer() + 65
4   com.apple.WebCore                 0x0000000114906a25 WebCore::Timer::~Timer() + 21
5   com.apple.WebCore                 0x0000000116d2f51e WebCore::IDBServer::UniqueIDBDatabase::~UniqueIDBDatabase() + 1038
6   com.apple.WebCore                 0x0000000116d2fa45 WebCore::IDBServer::UniqueIDBDatabase::~UniqueIDBDatabase() + 21
7   com.apple.WebCore                 0x00000001156bf039 WTF::ThreadSafeRefCounted<WebCore::IDBServer::UniqueIDBDatabase>::deref() + 73
8   com.apple.WebCore                 0x00000001156befe0 WTF::Ref<WebCore::IDBServer::UniqueIDBDatabase>::~Ref() + 48
9   com.apple.WebCore                 0x00000001156bbda5 WTF::Ref<WebCore::IDBServer::UniqueIDBDatabase>::~Ref() + 21
10  com.apple.WebCore                 0x0000000116d3ba84 WebCore::IDBServer::UniqueIDBDatabase::executeNextDatabaseTask() + 660
11  com.apple.WebCore                 0x0000000116d71243 void WTF::callMemberFunctionForCrossThreadTaskImpl<WebCore::IDBServer::UniqueIDBDatabase, void (WebCore::IDBServer::UniqueIDBDatabase::*)(), std::__1::tuple<> >(WebCore::IDBServer::UniqueIDBDatabase*, void (WebCore::IDBServer::UniqueIDBDatabase::*)(), std::__1::tuple<>&&, std::__1::integer_sequence<unsigned long>) + 131
12  com.apple.WebCore                 0x0000000116d71199 void WTF::callMemberFunctionForCrossThreadTask<WebCore::IDBServer::UniqueIDBDatabase, void (WebCore::IDBServer::UniqueIDBDatabase::*)(), std::__1::tuple<>, std::__1::integer_sequence<unsigned long> >(WebCore::IDBServer::UniqueIDBDatabase*, void (WebCore::IDBServer::UniqueIDBDatabase::*)(), std::__1::tuple<>&&) + 73
13  com.apple.WebCore                 0x0000000116d71140 WTF::CrossThreadTask WTF::createCrossThreadTask<WebCore::IDBServer::UniqueIDBDatabase>(WebCore::IDBServer::UniqueIDBDatabase&, void (WebCore::IDBServer::UniqueIDBDatabase::*)())::'lambda'()::operator()() + 80
14  com.apple.WebCore                 0x0000000116d710bc WTF::Function<void ()>::CallableWrapper<WTF::CrossThreadTask WTF::createCrossThreadTask<WebCore::IDBServer::UniqueIDBDatabase>(WebCore::IDBServer::UniqueIDBDatabase&, void (WebCore::IDBServer::UniqueIDBDatabase::*)())::'lambda'()>::call() + 28
15  com.apple.WebCore                 0x0000000114920e23 WTF::Function<void ()>::operator()() const + 99
16  com.apple.WebCore                 0x000000011564e535 WTF::CrossThreadTask::performTask() + 21
17  com.apple.WebCore                 0x00000001156b9e7e WebCore::IDBServer::IDBServer::databaseRunLoop() + 174
18  com.apple.WebCore                 0x00000001156b7934 WebCore::IDBServer::IDBServer::databaseThreadEntry(void*) + 84
19  com.apple.JavaScriptCore          0x00000001125f3c39 WTF::createThread(void (*)(void*), void*, char const*)::$_0::operator()() const + 25
20  com.apple.JavaScriptCore          0x00000001125f3c0d void std::__1::__invoke_void_return_wrapper<void>::__call<WTF::createThread(void (*)(void*), void*, char const*)::$_0&>(WTF::createThread(void (*)(void*), void*, char const*)::$_0&&&) + 45
21  com.apple.JavaScriptCore          0x00000001125f3bac std::__1::__function::__func<WTF::createThread(void (*)(void*), void*, char const*)::$_0, std::__1::allocator<WTF::createThread(void (*)(void*), void*, char const*)::$_0>, void ()>::operator()() + 44
22  com.apple.JavaScriptCore          0x0000000111c2b48a std::__1::function<void ()>::operator()() const + 26
23  com.apple.JavaScriptCore          0x00000001125f280e WTF::threadEntryPoint(void*) + 158
24  com.apple.JavaScriptCore          0x00000001125f42b1 WTF::wtfThreadEntryPoint(void*) + 289
25  libsystem_pthread.dylib           0x00007fff87cbb05a _pthread_body + 131
26  libsystem_pthread.dylib           0x00007fff87cbafd7 _pthread_start + 176
27  libsystem_pthread.dylib           0x00007fff87cb83ed thread_start + 13

The assert is *probably*:
    ASSERT(canAccessThreadLocalDataForThread(m_thread));

Which sucks, but is also likely a different issue than the flakiness previously seen here.

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