[Webkit-unassigned] [Bug 214900] New: [ Mojave debug wk1 ews ] fast/frames/hidpi-position-iframe-on-device-pixel.html is a flaky image failure on ews

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=214900

            Bug ID: 214900
           Summary: [ Mojave debug wk1 ews ]
                    fast/frames/hidpi-position-iframe-on-device-pixel.html
                    is a flaky image failure on ews
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
fast/frames/hidpi-position-iframe-on-device-pixel.html

This test only seems to be flaky image failure on ews.  From the Layout test it possibly could be ews failing to set color profile for display.

History:
https://results.webkit.org/?suite=layout-tests&test=fast%2Fframes%2Fhidpi-position-iframe-on-device-pixel.html&version_name=Mojave&flavor=wk1&limit=50000&style=debug

Diff:
https://ews-build.s3-us-west-2.amazonaws.com/macOS-Mojave-Debug-WK1-Tests-EWS/r405346-14665-rerun/fast/frames/hidpi-position-iframe-on-device-pixel-diffs.html

Layout Test Results:
05:30:37.034 2437 Restarting helper
05:30:37.034 2437 Stopping LayoutTestHelper
05:30:37.036 2437 Starting layout helper /Volumes/Data/worker/macOS-Mojave-Debug-WK1-Tests-EWS/build/WebKitBuild/Debug/LayoutTestHelper
2020-07-28 05:30:37.070 LayoutTestHelper[4219:231364] Could not retrieve device info from ColorSync; not setting main display's color profile.
2020-07-28 05:30:37.071 LayoutTestHelper[4219:231364] Failed to set color profile for display FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF! Many pixel tests may fail as a result.
05:30:37.071 2437 
05:30:37.071 2437 Retrying 25 unexpected failures ...
05:30:37.071 2437 
05:30:37.108 2437 Sharding tests ...
05:30:37.108 2437 Running 1 DumpRenderTree.
05:30:37.108 2437 (15 shards).
05:30:37.108 2437 
05:30:37.108 2437 Starting 1 worker ...
05:30:37.219 2437 worker/0 starting
05:30:55.725 2437 worker/0 accessibility/roles-exposed.html output stderr lines:
05:30:55.726 2437   2020-07-28 05:30:37.828 DumpRenderTree[4220:231371] NetworkStorageDB:_openDBReadConnections: failed to open read connection to DB @ (null)/Cache.db.  Error=14. Cause=unable to open database file
05:30:55.726 2437   2020-07-28 05:30:37.828 DumpRenderTree[4220:231371] CacheRead: unable to open cache files in (null)
05:30:55.726 2437 worker/0 accessibility/roles-exposed.html passed
05:30:55.727 2437 worker/0 finished test group
05:30:57.383 2437 worker/0 compositing/composited-parent-clipping-layer-on-subpixel-position.html passed
05:30:57.383 2437 worker/0 finished test group
05:30:58.701 2437 [3/25] compositing/style-change/backface-visibility-change.html failed unexpectedly (reference mismatch)
05:30:58.701 2437 worker/0 compositing/style-change/backface-visibility-change.html failed:
05:30:58.701 2437 worker/0  reference mismatch
05:30:58.701 2437 worker/0 finished test group
05:30:58.930 2437 [4/25] fast/dynamic/size-to-content-autosize-with-percent-document-height.html failed unexpectedly (reference mismatch)
05:30:58.930 2437 worker/0 fast/dynamic/size-to-content-autosize-with-percent-document-height.html failed:
05:30:58.930 2437 worker/0  reference mismatch
05:30:58.930 2437 worker/0 finished test group
05:31:05.683 2437 [5/25] fast/frames/hidpi-position-iframe-on-device-pixel.html failed unexpectedly (reference mismatch)
05:31:05.683 2437 worker/0 fast/frames/hidpi-position-iframe-on-device-pixel.html failed:
05:31:05.683 2437 worker/0  reference mismatch
05:31:05.683 2437 worker/0 finished test group
05:31:08.000 2437 [6/25] http/wpt/css/css-animations/set-animation-play-state-to-paused-001.html failed unexpectedly (reference mismatch)
05:31:08.000 2437 worker/0 http/wpt/css/css-animations/set-animation-play-state-to-paused-001.html failed:
05:31:08.000 2437 worker/0  reference mismatch
05:31:08.000 2437 worker/0 finished test group
05:31:08.386 2437 worker/0 imported/w3c/web-platform-tests/IndexedDB/transaction_bubble-and-capture.htm passed
05:31:08.386 2437 worker/0 finished test group

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