A lot of newly imported W3C tests under http/tests/w3c/html/semantics/embedded-content/media-elements/* are failing in Windows / Debug only. In the output, we see errors like these: rror -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 Prime failed (-66680); will stop (11025/0 frames) AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 Prime failed (-66680); will stop (33075/0 frames) AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 Prime failed (-66680); will stop (11025/0 frames) AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 Prime failed (-66680); will stop (33075/0 frames) AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 AQMEIOManager::FindIOUnit: error -1 Prime failed (-66680); will stop (11025/0 frames) AQMEIOManager::FindIOUspec reference I am guessing this is supposed to do to stderr, not to the test output. I will skip the tests on Windows debug for now.
Skipped in <http://trac.webkit.org/changeset/189437>.
I think that it happened before, see bug 142929.
Skipped on Release builds as well: <https://trac.webkit.org/r189446>.
*** This bug has been marked as a duplicate of bug 142929 ***