The test that is likely crashing the windows10-aarch64 hardware is this file: `testing/web-platform/meta/media-source/mediasource-changetype-play.html.ini` The try push with the test above disabled: https://treeherder.mozilla.org/#/jobs?repo=try&resultStatus=pending%2Crunning%2Csuperseded%2Cusercancel%2Cretry%2Csuccess%2Ctestfailed%2Cbusted%2Cexception&classifiedState=unclassified&tier=1%2C2%2C3&group_state=expanded&revision=ab369bba791f34ead2213436061d807c991b91c1&selectedJob=242175689 Other tests from the shortlist identified in comment #2 are running, minus the offending test: ``` 02:41:31 INFO - TEST-START | /media-source/mediasource-changetype-play.html 02:41:31 INFO - TEST-SKIP | /media-source/mediasource-changetype-play.html | took 1ms ```
Bug 1545810 Comment 4 Edit History
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Further investigation is inconclusive.
Further investigation is inconclusive in that it failed to pinpoint the test file(s) that cause the failure, but points to `media-source` being the culprit.