[Webkit-unassigned] [Bug 197952] New: Layout Test http/wpt/cache-storage/cache-quota-add.any.html is a flaky failure

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu May 16 10:54:01 PDT 2019


https://bugs.webkit.org/show_bug.cgi?id=197952

            Bug ID: 197952
           Summary: Layout Test
                    http/wpt/cache-storage/cache-quota-add.any.html is a
                    flaky failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sroberts at apple.com

The following layout test is failing on iOS Simulator Release

http/wpt/cache-storage/cache-quota-add.any.html

Probable cause:

Test was added in https://trac.webkit.org/changeset/244918/webkit and is a very consistent failure on iOS Simulator Release.

Test is failing, but is a harness timeout

I cannot reproduce it locally. I have tried the test by itself with 5000 iterations multiple times. I have tried it in Guard malloc and Asan and still cannot replicate.
I have run it with the worker list from run #4135 and cannot get it to fail running that test list, even with 25 iterations. Test list from https://build.webkit.org/builders/Apple%20iOS%2012%20Simulator%20Release%20WK2%20%28Tests%29/builds/4135

Will add additional configuration attempts to reproduce in the Radar.

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Fwpt%2Fcache-storage%2Fcache-quota-add.any.html

Diff:

--- /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/http/wpt/cache-storage/cache-quota-add.any-expected.txt
+++ /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/http/wpt/cache-storage/cache-quota-add.any-actual.txt
@@ -1,6 +1,6 @@
-CONSOLE MESSAGE: Cache API operation failed: Quota exceeded
-CONSOLE MESSAGE: Cache API operation failed: Quota exceeded

-PASS Testing that cache.add checks against quota 
-PASS Testing that cache.addAll checks against quota 
+Harness Error (TIMEOUT), message = null

+TIMEOUT Testing that cache.add checks against quota Test timed out
+NOTRUN Testing that cache.addAll checks against quota 
+

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