Bug 187314 - WebKit.ResponsivenessTimerCrash sometimes fails
Summary: WebKit.ResponsivenessTimerCrash sometimes fails
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Tools / Tests (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Brady Eidson
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2018-07-03 19:43 PDT by Brady Eidson
Modified: 2018-07-03 20:46 PDT (History)
4 users (show)

See Also:

Attachments
Patch (3.19 KB, patch)
2018-07-03 19:58 PDT, Brady Eidson 		no flags Details | Formatted Diff | Diff
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Brady Eidson 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
                ...
Comment 1 Brady Eidson 2018-07-03 19:58:18 PDT 
Created attachment 344258 [details]
Patch
Comment 2 WebKit Commit Bot 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>
Comment 3 WebKit Commit Bot 2018-07-03 20:45:57 PDT 
All reviewed patches have been landed.  Closing bug.
Comment 4 Radar WebKit Bug Importer 2018-07-03 20:46:17 PDT 
<rdar://problem/41805863>