Bug 196008

Summary:	REGRESSION (r243032?): JSC test microbenchmarks/data-view-accesses-2.js timing out on debug bot
Product:	WebKit	Reporter:	Ryan Haddad <ryanhaddad>
Component:	JavaScriptCore	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED DUPLICATE
Severity:	Normal	CC:	fpizlo, mark.lam, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=195892

Description Ryan Haddad 2019-03-20 09:06:16 PDT

JSC test microbenchmarks/data-view-accesses-2.js is timing out on the debug bot:

microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: Timed out after 587.000000 sec seconds!
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: 1   0x109bc7079 WTFCrash
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: 2   0x10555b616 startTimeoutThreadIfNeeded()::$_9::operator()() const
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: 3   0x10555b549 WTF::Function<void ()>::CallableWrapper<startTimeoutThreadIfNeeded()::$_9>::call()
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: 4   0x109bf14fd WTF::Function<void ()>::operator()() const
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: 5   0x109c88003 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*)
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: 6   0x109c90705 WTF::wtfThreadEntryPoint(void*)
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: 7   0x7fff58297661 _pthread_body
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: 8   0x7fff5829750d _pthread_body
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: 9   0x7fff58296bf9 thread_start
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: test_script_35970: line 2: 14849 Segmentation fault: 11  ( "$@" ../../.vm/JavaScriptCore.framework/Resources/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --jitMemoryReservationSize\=50000 --useFTLJIT\=true --useConcurrentJIT\=false --thresholdForJITAfterWarmUp\=100 --scribbleFreeCells\=true data-view-accesses-2.js )
microbenchmarks/data-view-accesses-2.js.ftl-no-cjit-small-pool: ERROR: Unexpected exit code: 139

https://build.webkit.org/builders/Apple%20High%20Sierra%20Debug%20JSC%20%28Tests%29/builds/2382

Comment 1 Ryan Haddad 2019-03-20 09:11:11 PDT

Based on the test history on the bot, it looks like this may have started with
"Need to check ObjectPropertyCondition liveness before accessing it when firing watchpoints."
https://trac.webkit.org/changeset/243032/webkit

Comment 2 Radar WebKit Bug Importer 2019-03-22 10:46:33 PDT

<rdar://problem/49159569>

Comment 3 Mark Lam 2019-03-23 21:12:08 PDT


*** This bug has been marked as a duplicate of bug 195892 ***