RESOLVED FIXED 187314
WebKit.ResponsivenessTimerCrash sometimes fails 
https://bugs.webkit.org/show_bug.cgi?id=187314
Summary WebKit.ResponsivenessTimerCrash sometimes fails
Brady Eidson
Reported 2018-07-03 19:43:03 PDT
WebKit.ResponsivenessTimerCrash sometimes fails TestWebKitAPI.WebKit.ResponsivenessTimerCrash 2018-07-03 14:46:27.244 TestWebKitAPI[9648:12507315] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'An instance 0x7ff537c34a80 of class WKObservablePageState was deallocated while key value observers were still registered with it. Current observation info: <NSKeyValueObservationInfo 0x7ff537d0ebc0> ( <NSKeyValueObservance 0x7ff537d24d20: Observer: 0x7ff537f72c60, Key path: _webProcessIsResponsive, Options: <New: NO, Old: NO, Prior: NO> Context: 0x0, Property: 0x7ff537d24d50> )' *** First throw call stack: ( 0 CoreFoundation 0x00007fffb760a57b __exceptionPreprocess + 171 1 libobjc.A.dylib 0x00007fffcc86a1da objc_exception_throw + 48 2 CoreFoundation 0x00007fffb7687c55 +[NSException raise:format:] + 197 3 Foundation 0x00007fffb9007384 NSKVODeallocate + 293 4 Foundation 0x00007fffb8fe660b NSKVOPendingNotificationRelease + 202 5 CoreFoundation 0x00007fffb756f150 __CFArrayReleaseValues + 400 6 CoreFoundation 0x00007fffb752ae6f _CFArrayReplaceValues + 479 7 Foundation 0x00007fffb8fe667a NSKeyValuePopPendingNotificationPerThread + 68 8 Foundation 0x00007fffb8fd2c1f NSKeyValueDidChange + 529 9 Foundation 0x00007fffb8fa1ad6 -[NSObject(NSKeyValueObserverNotification) didChangeValueForKey:] + 118 10 WebKit 0x00000001079823c7 _ZN6WebKit13PageLoadState20callObserverCallbackEMNS0_8ObserverEFvvE + 137 11 WebKit 0x0000000107ba5e4a _ZN6WebKit15WebProcessProxy21didChangeIsResponsiveEv + 170 12 WebKit 0x00000001079e932c _ZN6WebKit19ResponsivenessTimer10timerFiredEv + 50 ...
Attachments
Patch (3.19 KB, patch)
2018-07-03 19:58 PDT, Brady Eidson 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Brady Eidson
Comment 1 2018-07-03 19:58:18 PDT
Created attachment 344258 [details] Patch
WebKit Commit Bot
Comment 2 2018-07-03 20:45:56 PDT
Comment on attachment 344258 [details] Patch Clearing flags on attachment: 344258 Committed r233498: <https://trac.webkit.org/changeset/233498>
WebKit Commit Bot
Comment 3 2018-07-03 20:45:57 PDT
All reviewed patches have been landed. Closing bug.
Radar WebKit Bug Importer
Comment 4 2018-07-03 20:46:17 PDT
<rdar://problem/41805863>
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