Bug 1845961 Comment 1 Edit History

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There is a high number of wpt test that fail with timeout.
Happens on central and beta-sim, not autoland doesn't seem to be affected

[Failure log #1 ](https://treeherder.mozilla.org/logviewer?job_id=424126556&repo=mozilla-central&lineNumber=27156)

[Failure log #2 ](https://treeherder.mozilla.org/logviewer?job_id=424126641&repo=mozilla-central&lineNumber=27351)

```
TEST-START | /websockets/binaryType-wrong-value.any.html?wpt_flags=h2
[task 2023-07-28T11:41:22.066Z] 11:41:22     INFO - Closing window ce0570f1-4680-4bb7-97e3-962d3188575f
[task 2023-07-28T11:41:22.174Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp:302
[task 2023-07-28T11:41:22.221Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.229Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.229Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.230Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.231Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.347Z] 11:41:22  WARNING - wptserve (646560d6) Unexpected Error - 
[task 2023-07-28T11:41:22.347Z] 11:41:22  WARNING - Max outbound streams is 100, 0 open
[task 2023-07-28T11:41:22.362Z] 11:41:22     INFO - Test harness output was not a valid structured log message
[task 2023-07-28T11:41:22.362Z] 11:41:22     INFO - Exception in thread Thread-1577:
[task 2023-07-28T11:41:22.362Z] 11:41:22     INFO - Traceback (most recent call last):
[task 2023-07-28T11:41:22.362Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 224, in process_input
[task 2023-07-28T11:41:22.363Z] 11:41:22     INFO -     func, target_state = self._transitions[(self.state, input_)]
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO - KeyError: (<ConnectionState.CLOSED: 3>, <ConnectionInputs.SEND_HEADERS: 0>)
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO - During handling of the above exception, another exception occurred:
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO - Traceback (most recent call last):
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO -   File "c:\mozilla-build\python3\lib\threading.py", line 973, in _bootstrap_inner
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO -     self.run()
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO -   File "c:\mozilla-build\python3\lib\threading.py", line 910, in run
[task 2023-07-28T11:41:22.365Z] 11:41:22     INFO -     self._target(*self._args, **self._kwargs)
[task 2023-07-28T11:41:22.366Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\server.py", line 626, in _stream_thread
[task 2023-07-28T11:41:22.368Z] 11:41:22     INFO -     self.finish_handling(request, response, req_handler)
[task 2023-07-28T11:41:22.368Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\server.py", line 301, in finish_handling
[task 2023-07-28T11:41:22.370Z] 11:41:22     INFO -     response.write()
[task 2023-07-28T11:41:22.370Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\response.py", line 239, in write
[task 2023-07-28T11:41:22.370Z] 11:41:22     INFO -     self.write_status_headers()
[task 2023-07-28T11:41:22.371Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\response.py", line 430, in write_status_headers
[task 2023-07-28T11:41:22.372Z] 11:41:22     INFO -     self.writer.write_headers(self.headers, *self.status)
[task 2023-07-28T11:41:22.372Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\response.py", line 494, in write_headers
[task 2023-07-28T11:41:22.373Z] 11:41:22     INFO -     connection.send_headers(
[task 2023-07-28T11:41:22.374Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 766, in send_headers
[task 2023-07-28T11:41:22.375Z] 11:41:22     INFO -     self.state_machine.process_input(ConnectionInputs.SEND_HEADERS)
[task 2023-07-28T11:41:22.375Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 228, in process_input
INFO -     raise ProtocolError(
[task 2023-07-28T11:41:22.377Z] 11:41:22     INFO - h2.exceptions.ProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED
[task 2023-07-28T11:41:22.383Z] 11:41:22     INFO - Exception in thread Thread-864:
[task 2023-07-28T11:41:22.383Z] 11:41:22     INFO - Traceback (most recent call last):
[task 2023-07-28T11:41:22.383Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 224, in process_input
[task 2023-07-28T11:41:22.384Z] 11:41:22  WARNING - wptserve (646560d6 - 519) Stream Reset, Thread Closing
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO - Test harness output was not a valid structured log message
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO -     func, target_state = self._transitions[(self.state, input_)]
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO - KeyError: (<ConnectionState.CLOSED: 3>, <ConnectionInputs.SEND_DATA: 2>)
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO - During handling of the above exception, another exception occurred:
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO - Traceback (most recent call last):
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO -   File "c:\mozilla-build\python3\lib\threading.py", line 973, in _bootstrap_inner
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -     self.run()
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -   File "c:\mozilla-build\python3\lib\threading.py", line 910, in run
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -     self._target(*self._args, **self._kwargs)
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\server.py", line 546, in _stream_ws_sub_thread
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -     connection.end_stream(stream_id)
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 882, in end_stream
[task 2023-07-28T11:41:22.386Z] 11:41:22     INFO -     self.state_machine.process_input(ConnectionInputs.SEND_DATA)
[task 2023-07-28T11:41:22.386Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 228, in process_input
[task 2023-07-28T11:41:22.386Z] 11:41:22     INFO -     raise ProtocolError(
[task 2023-07-28T11:41:22.386Z] 11:41:22     INFO - h2.exceptions.ProtocolError: Invalid input ConnectionInputs.SEND_DATA in state ConnectionState.CLOSED
<....>
WARNING - wptserve (7fe40bbd) Unexpected Error - 
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.827Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: IPC message 'PBrowser::Msg_UpdateNativeWindowHandle' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - wptserve (8b46d079) Unexpected Error - 
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.827Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: IPC message 'PBrowser::Msg_Destroy' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - wptserve (404e0366) Unexpected Error - 
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.827Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: No build ID mismatch: file /builds/worker/checkouts/gecko/dom/base/nsFrameLoader.cpp:3777
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - wptserve (14109c2d) Unexpected Error - 
[task 2023-07-28T11:41:31.831Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.832Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: IPC message 'PBrowser::Msg_UpdateNativeWindowHandle' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.832Z] 11:41:31     INFO - IOError on command, setting status to CRASH
[task 2023-07-28T11:41:31.832Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: IPC message 'PBrowser::Msg_Destroy' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.832Z] 11:41:31  WARNING - wptserve (1f458e9c) Unexpected Error - 
[task 2023-07-28T11:41:31.832Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.832Z] 11:41:31     INFO - PID 9572 | [Parent 3552, ProcessHangMon] WARNING: IPC message 'PProcessHangMonitor::Msg_RequestContentJSInterrupt' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.839Z] 11:41:31  WARNING - wptserve (2c70c7c2) Unexpected Error - 
[task 2023-07-28T11:41:31.839Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.839Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: No build ID mismatch: file /builds/worker/checkouts/gecko/dom/base/nsFrameLoader.cpp:3777
[task 2023-07-28T11:41:31.839Z] 11:41:31  WARNING - wptserve (8093a41a) Unexpected Error - 
[task 2023-07-28T11:41:31.839Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.843Z] 11:41:31     INFO - PID 9572 | A content process crashed and MOZ_CRASHREPORTER_SHUTDOWN is set, shutting down
[task 2023-07-28T11:41:31.844Z] 11:41:31     INFO - TEST-UNEXPECTED-CRASH | /websockets/binaryType-wrong-value.any.html?wpt_flags=h2 | expected TIMEOUT
[task 2023-07-28T11:41:31.844Z] 11:41:31     INFO - TEST-INFO expected TIMEOUT | took 9779ms
[task 2023-07-28T11:41:31.844Z] 11:41:31  WARNING - wptserve (a3f0eec6) Unexpected Error - 
```
There is a high number of wpt test that fail with timeout.
Happens on central and beta-sim, autoland doesn't seem to be affected

[Failure log #1 ](https://treeherder.mozilla.org/logviewer?job_id=424126556&repo=mozilla-central&lineNumber=27156)

[Failure log #2 ](https://treeherder.mozilla.org/logviewer?job_id=424126641&repo=mozilla-central&lineNumber=27351)

```
TEST-START | /websockets/binaryType-wrong-value.any.html?wpt_flags=h2
[task 2023-07-28T11:41:22.066Z] 11:41:22     INFO - Closing window ce0570f1-4680-4bb7-97e3-962d3188575f
[task 2023-07-28T11:41:22.174Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp:302
[task 2023-07-28T11:41:22.221Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.229Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.229Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.230Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.231Z] 11:41:22     INFO - PID 9572 | [Child 2172, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:22.347Z] 11:41:22  WARNING - wptserve (646560d6) Unexpected Error - 
[task 2023-07-28T11:41:22.347Z] 11:41:22  WARNING - Max outbound streams is 100, 0 open
[task 2023-07-28T11:41:22.362Z] 11:41:22     INFO - Test harness output was not a valid structured log message
[task 2023-07-28T11:41:22.362Z] 11:41:22     INFO - Exception in thread Thread-1577:
[task 2023-07-28T11:41:22.362Z] 11:41:22     INFO - Traceback (most recent call last):
[task 2023-07-28T11:41:22.362Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 224, in process_input
[task 2023-07-28T11:41:22.363Z] 11:41:22     INFO -     func, target_state = self._transitions[(self.state, input_)]
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO - KeyError: (<ConnectionState.CLOSED: 3>, <ConnectionInputs.SEND_HEADERS: 0>)
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO - During handling of the above exception, another exception occurred:
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO - Traceback (most recent call last):
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO -   File "c:\mozilla-build\python3\lib\threading.py", line 973, in _bootstrap_inner
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO -     self.run()
[task 2023-07-28T11:41:22.364Z] 11:41:22     INFO -   File "c:\mozilla-build\python3\lib\threading.py", line 910, in run
[task 2023-07-28T11:41:22.365Z] 11:41:22     INFO -     self._target(*self._args, **self._kwargs)
[task 2023-07-28T11:41:22.366Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\server.py", line 626, in _stream_thread
[task 2023-07-28T11:41:22.368Z] 11:41:22     INFO -     self.finish_handling(request, response, req_handler)
[task 2023-07-28T11:41:22.368Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\server.py", line 301, in finish_handling
[task 2023-07-28T11:41:22.370Z] 11:41:22     INFO -     response.write()
[task 2023-07-28T11:41:22.370Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\response.py", line 239, in write
[task 2023-07-28T11:41:22.370Z] 11:41:22     INFO -     self.write_status_headers()
[task 2023-07-28T11:41:22.371Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\response.py", line 430, in write_status_headers
[task 2023-07-28T11:41:22.372Z] 11:41:22     INFO -     self.writer.write_headers(self.headers, *self.status)
[task 2023-07-28T11:41:22.372Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\response.py", line 494, in write_headers
[task 2023-07-28T11:41:22.373Z] 11:41:22     INFO -     connection.send_headers(
[task 2023-07-28T11:41:22.374Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 766, in send_headers
[task 2023-07-28T11:41:22.375Z] 11:41:22     INFO -     self.state_machine.process_input(ConnectionInputs.SEND_HEADERS)
[task 2023-07-28T11:41:22.375Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 228, in process_input
INFO -     raise ProtocolError(
[task 2023-07-28T11:41:22.377Z] 11:41:22     INFO - h2.exceptions.ProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED
[task 2023-07-28T11:41:22.383Z] 11:41:22     INFO - Exception in thread Thread-864:
[task 2023-07-28T11:41:22.383Z] 11:41:22     INFO - Traceback (most recent call last):
[task 2023-07-28T11:41:22.383Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 224, in process_input
[task 2023-07-28T11:41:22.384Z] 11:41:22  WARNING - wptserve (646560d6 - 519) Stream Reset, Thread Closing
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO - Test harness output was not a valid structured log message
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO -     func, target_state = self._transitions[(self.state, input_)]
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO - KeyError: (<ConnectionState.CLOSED: 3>, <ConnectionInputs.SEND_DATA: 2>)
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO - During handling of the above exception, another exception occurred:
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO - Traceback (most recent call last):
[task 2023-07-28T11:41:22.384Z] 11:41:22     INFO -   File "c:\mozilla-build\python3\lib\threading.py", line 973, in _bootstrap_inner
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -     self.run()
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -   File "c:\mozilla-build\python3\lib\threading.py", line 910, in run
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -     self._target(*self._args, **self._kwargs)
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\wptserve\wptserve\server.py", line 546, in _stream_ws_sub_thread
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -     connection.end_stream(stream_id)
[task 2023-07-28T11:41:22.385Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 882, in end_stream
[task 2023-07-28T11:41:22.386Z] 11:41:22     INFO -     self.state_machine.process_input(ConnectionInputs.SEND_DATA)
[task 2023-07-28T11:41:22.386Z] 11:41:22     INFO -   File "Z:\task_169053280710932\build\tests\web-platform\tests\tools\third_party\h2\h2\connection.py", line 228, in process_input
[task 2023-07-28T11:41:22.386Z] 11:41:22     INFO -     raise ProtocolError(
[task 2023-07-28T11:41:22.386Z] 11:41:22     INFO - h2.exceptions.ProtocolError: Invalid input ConnectionInputs.SEND_DATA in state ConnectionState.CLOSED
<....>
WARNING - wptserve (7fe40bbd) Unexpected Error - 
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.827Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: IPC message 'PBrowser::Msg_UpdateNativeWindowHandle' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - wptserve (8b46d079) Unexpected Error - 
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.827Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: IPC message 'PBrowser::Msg_Destroy' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - wptserve (404e0366) Unexpected Error - 
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.827Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: No build ID mismatch: file /builds/worker/checkouts/gecko/dom/base/nsFrameLoader.cpp:3777
[task 2023-07-28T11:41:31.827Z] 11:41:31  WARNING - wptserve (14109c2d) Unexpected Error - 
[task 2023-07-28T11:41:31.831Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.832Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: IPC message 'PBrowser::Msg_UpdateNativeWindowHandle' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.832Z] 11:41:31     INFO - IOError on command, setting status to CRASH
[task 2023-07-28T11:41:31.832Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: IPC message 'PBrowser::Msg_Destroy' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.832Z] 11:41:31  WARNING - wptserve (1f458e9c) Unexpected Error - 
[task 2023-07-28T11:41:31.832Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.832Z] 11:41:31     INFO - PID 9572 | [Parent 3552, ProcessHangMon] WARNING: IPC message 'PProcessHangMonitor::Msg_RequestContentJSInterrupt' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:508
[task 2023-07-28T11:41:31.839Z] 11:41:31  WARNING - wptserve (2c70c7c2) Unexpected Error - 
[task 2023-07-28T11:41:31.839Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.839Z] 11:41:31     INFO - PID 9572 | [Parent 3552, Main Thread] WARNING: No build ID mismatch: file /builds/worker/checkouts/gecko/dom/base/nsFrameLoader.cpp:3777
[task 2023-07-28T11:41:31.839Z] 11:41:31  WARNING - wptserve (8093a41a) Unexpected Error - 
[task 2023-07-28T11:41:31.839Z] 11:41:31  WARNING - Invalid HTTP/2 preamble.
[task 2023-07-28T11:41:31.843Z] 11:41:31     INFO - PID 9572 | A content process crashed and MOZ_CRASHREPORTER_SHUTDOWN is set, shutting down
[task 2023-07-28T11:41:31.844Z] 11:41:31     INFO - TEST-UNEXPECTED-CRASH | /websockets/binaryType-wrong-value.any.html?wpt_flags=h2 | expected TIMEOUT
[task 2023-07-28T11:41:31.844Z] 11:41:31     INFO - TEST-INFO expected TIMEOUT | took 9779ms
[task 2023-07-28T11:41:31.844Z] 11:41:31  WARNING - wptserve (a3f0eec6) Unexpected Error - 
```

Back to Bug 1845961 Comment 1