Bug 132022
| Summary: | REGRESSION: JSRegress's js/slow-stress/new-spread.html fails sometimes | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | Tim Horton <thorton> |
| Component: | JavaScriptCore | Assignee: | Oliver Hunt <oliver> |
| Status: | RESOLVED FIXED | ||
| Severity: | Normal | CC: | ap, fpizlo, ggaren, mark.lam, mhahnenberg, msaboff, webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar, LayoutTestFailure, Regression |
| Version: | 528+ (Nightly build) | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Tim Horton
Starting some time yesterday, js/slow-stress/new-spread started failing like so:
-PASS no exception thrown
-PASS successfullyParsed is true
+FAIL caught exception: Result was -1743984020 expected -2371153088
+FAIL successfullyParsed should be true (of type boolean). Was undefined (of type undefined).
(see http://build.webkit.org/results/Apple%20Mavericks%20Release%20WK1%20%28Tests%29/r167675%20%285412%29/results.html for example)
| Attachments | ||
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| Add attachment proposed patch, testcase, etc. |
Tim Horton
This is a sometimes fail, as you can see here, but just started: http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=js%2Fslow-stress%2Fnew-spread.html
Radar WebKit Bug Importer
<rdar://problem/16690671>
Tim Horton
Marked as flaky in http://trac.webkit.org/changeset/167680
Michael Saboff
Running repeatedly, I can get this to fail ~25% of the time:
$ for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do echo "Try #$i"; DYLD_FRAMEWORK_PATH=WebKitBuild/Release WebKitBuild/Release/jsc LayoutTests/js/slow-stress/script-tests/new-spread.js ; done
Try #1
Try #2
Exception: Result was -872245192 expected -2371153088
Try #3
Try #4
Try #5
Exception: Result was 1614215892 expected -2371153088
Try #6
Try #7
Try #8
Try #9
Try #10
Try #11
Try #12
Exception: Result was 1614215892 expected -2371153088
Try #13
Try #14
Try #15
Try #16
Try #17
Exception: Result was -872245192 expected -2371153088
Try #18
Try #19
Try #20
Exception: Result was 1614215892 expected -2371153088
It happens less frequently with a debug build, roughly 10% of the time.
Tim Horton
Is this fixed by bug 132079? Can we un-flaky the test?
Alexey Proskuryakov
Ping?
Oliver Hunt
(In reply to comment #5)
> Is this fixed by bug 132079? Can we un-flaky the test?
yes1
Tim Horton
(In reply to comment #7)
> (In reply to comment #5)
> > Is this fixed by bug 132079? Can we un-flaky the test?
>
> yes1
un-flaky'd in http://trac.webkit.org/changeset/167812