160227 2016-07-26 17:41:19 -0700 ASSERTION FAILED: currentGCOwnedGenerallyInBmalloc < data.categories[MemoryCategory::bmalloc].dirtySize 2018-08-09 16:25:02 -0700 1 1 1 Unclassified WebKit Web Inspector WebKit Nightly Build Unspecified Unspecified RESOLVED CONFIGURATION CHANGED InRadar P2 Normal --- 1 ryanhaddad webkit-unassigned inspector-bugzilla-changes joepeck webkit-bug-importer oldest_to_newest 1214772 0 ryanhaddad 2016-07-26 17:41:19 -0700 ASSERTION FAILED: currentGCOwnedGenerallyInBmalloc < data.categories[MemoryCategory::bmalloc].dirtySize /Volumes/Data/slave/gala-debug-archive/build/OpenSource/Source/WebCore/page/cocoa/ResourceUsageThreadCocoa.mm(233) : void WebCore::ResourceUsageThread::platformThreadBody(JSC::VM *, WebCore::ResourceUsageData &) 1 0x10c2a5360 WTFCrash 2 0x1132a1b65 WebCore::ResourceUsageThread::platformThreadBody(JSC::VM*, WebCore::ResourceUsageData&) 3 0x11329bc95 WebCore::ResourceUsageThread::threadBody() 4 0x11329bc25 WebCore::ResourceUsageThread::threadCallback(void*) 5 0x10c318289 WTF::createThread(void (*)(void*), void*, char const*)::$_0::operator()() const 6 0x10c31825d void std::__1::__invoke_void_return_wrapper<void>::__call<WTF::createThread(void (*)(void*), void*, char const*)::$_0&>(WTF::createThread(void (*)(void*), void*, char const*)::$_0&&&) 7 0x10c3181fc std::__1::__function::__func<WTF::createThread(void (*)(void*), void*, char const*)::$_0, std::__1::allocator<WTF::createThread(void (*)(void*), void*, char const*)::$_0>, void ()>::operator()() 8 0x10b92c89a std::__1::function<void ()>::operator()() const 9 0x10c316e5e WTF::threadEntryPoint(void*) 10 0x10c318901 WTF::wtfThreadEntryPoint(void*) 11 0x7fff9660999d _pthread_body 12 0x7fff9660991a _pthread_body 13 0x7fff96607351 thread_start Intermittently encountered with inspector/memory/tracking.html on WK1 1214773 1 ryanhaddad 2016-07-26 17:42:42 -0700 <rdar://problem/27433904> 1214774 2 webkit-bug-importer 2016-07-26 17:43:05 -0700 <rdar://problem/27559026> 1214776 3 ryanhaddad 2016-07-26 17:47:23 -0700 Marked as flaky in http://trac.webkit.org/projects/webkit/changeset/203757 1449139 4 joepeck 2018-08-09 16:25:02 -0700 I believe this was addressed by: https://webkit.org/b/160534 The specific assertion was removed, and code changed to better handle this area. Note the expectations are only for El Capitan, all future releases should be running the test just fine.