Bug 186161

Summary: REGRESSION (r232314): Flaky Test: imported/w3c/web-platform-tests/streams/piping/error-propagation-forward.html
Product: WebKit Reporter: WebKit Commit Bot <commit-queue>
Component: Tools / TestsAssignee: WebKit Commit Bot <commit-queue>
Status: NEW ---    
Severity: Normal CC: keith_miller, lforschler, realdawei, ryanhaddad, tsavell, webkit-bug-importer, youennf
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=185996
Bug Depends on:    
Bug Blocks: 50856    
Attachments:
Description Flags
Archive of layout-test-results from webkit-cq-03
none
Patch
none
Mark test as flaky none

Description WebKit Commit Bot 2018-05-31 14:22:58 PDT
This is an automatically generated bug from the commit-queue.
imported/w3c/web-platform-tests/streams/piping/error-propagation-forward.html has been flaky on the commit-queue.

imported/w3c/web-platform-tests/streams/piping/error-propagation-forward.html was authored by youennf@gmail.com.
https://trac.webkit.org/browser/trunk/LayoutTests/imported/w3c/web-platform-tests/streams/piping/error-propagation-forward.html

The commit-queue just saw imported/w3c/web-platform-tests/streams/piping/error-propagation-forward.html flake (text diff) while processing attachment 341689 [details] on bug 186157.
Bot: webkit-cq-03  Port: <class 'webkitpy.common.config.ports.MacPort'>  Platform: Mac OS X 10.12.6

The bots will update this with information from each new failure.

If you believe this bug to be fixed or invalid, feel free to close.  The bots will re-open if the flake re-occurs.

If you would like to track this test fix with another bug, please close this bug as a duplicate.  The bots will follow the duplicate chain when making future comments.
Comment 1 WebKit Commit Bot 2018-05-31 14:22:59 PDT
Created attachment 341692 [details]
Archive of layout-test-results from webkit-cq-03
Comment 2 Ryan Haddad 2018-06-05 14:08:16 PDT
David, this appears to be a new flaky failure. We should try to find the regression point.
Comment 3 Dawei Fenton (:realdawei) 2018-06-05 14:09:00 PDT
(In reply to Ryan Haddad from comment #2)
> David, this appears to be a new flaky failure. We should try to find the
> regression point.

ok looking into it
Comment 4 Ryan Haddad 2018-06-13 12:29:30 PDT
I cannot repro with r232313, but I can with r232314 using this command:
run-webkit-tests imported/w3c/web-platform-tests/streams/piping/error-propagation-forward.html -fg --iter 100
Comment 5 Radar WebKit Bug Importer 2018-06-20 13:40:26 PDT
<rdar://problem/41302461>
Comment 7 Truitt Savell 2018-06-26 14:20:15 PDT
Created attachment 343640 [details]
Patch
Comment 8 Truitt Savell 2018-06-26 15:08:41 PDT
Created attachment 343644 [details]
Mark test as flaky
Comment 9 Ryan Haddad 2018-06-26 15:48:43 PDT
Marked test as flaky in https://trac.webkit.org/changeset/233224/webkit