Bug: Intermittent MemoryError: out of memory
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-01-24 15:44:28+00:00
Resolved: 2020-06-02 17:06:36+00:00

**Filed by:** ncsoregi [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=286341871&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/c6tTk7dxTXa3sahzujEeJA/runs/0/artifacts/public/logs/live_backing.log

---

>[task 2020-01-24T14:06:24.342Z] 14:06:24     INFO - TEST-START | /offscreen-canvas/fill-and-stroke-styles/2d.gradient.radial.transform.1.worker.html
[task 2020-01-24T14:06:24.351Z] 14:06:24     INFO - Closing window 713
[task 2020-01-24T14:06:24.422Z] 14:06:24     INFO - PID 2920 | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-01-24T14:06:24.427Z] 14:06:24     INFO - PID 2920 | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-01-24T14:06:24.997Z] 14:06:24     INFO - PID 2920 | JavaScript error: , line 0: uncaught exception: out of memory
[task 2020-01-24T14:06:25.022Z] 14:06:25     INFO - PID 2920 | JavaScript error: , line 0: uncaught exception: out of memory
[task 2020-01-24T14:06:29.436Z] 14:06:29     INFO - PID 2920 | A content process crashed and MOZ_CRASHREPORTER_SHUTDOWN is set, shutting down
[task 2020-01-24T14:06:29.801Z] 14:06:29     INFO - PID 2920 | [Parent 8260, Gecko_IOThread] WARNING: file z:/build/build/src/ipc/chromium/src/base/process_util_win.cc, line 160
[task 2020-01-24T14:06:29.827Z] 14:06:29     INFO - PID 2920 | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-01-24T14:06:29.837Z] 14:06:29     INFO - NoSuchWindowException on command, setting status to CRASH
[task 2020-01-24T14:06:29.837Z] 14:06:29     INFO - PID 2920 | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-01-24T14:06:29.842Z] 14:06:29     INFO - PID 2920 | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-01-24T14:06:29.994Z] 14:06:29     INFO - mozcrash Downloading symbols from: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/MEiUfBrERYid1qGpOWuwkg/artifacts/public/build/target.crashreporter-symbols.zip
[task 2020-01-24T14:06:33.359Z] 14:06:33    ERROR - Traceback (most recent call last):
[task 2020-01-24T14:06:33.359Z] 14:06:33    ERROR -   File "Z:\task_1579869721\build\tests\web-platform\tests\tools\wptrunner\wptrunner\testrunner.py", line 388, in run
[task 2020-01-24T14:06:33.359Z] 14:06:33    ERROR -     new_state = self.wait_event()
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -   File "Z:\task_1579869721\build\tests\web-platform\tests\tools\wptrunner\wptrunner\testrunner.py", line 463, in wait_event
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -     return f(*data)
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -   File "Z:\task_1579869721\build\tests\web-platform\tests\tools\wptrunner\wptrunner\testrunner.py", line 643, in test_ended
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -     if self.browser.check_crash(test.id) and status != "CRASH":
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -   File "Z:\task_1579869721\build\tests\web-platform\tests\tools\wptrunner\wptrunner\testrunner.py", line 260, in check_crash
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -     return self.browser.check_crash(process=self.browser_pid, test=test_id)
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -   File "Z:\task_1579869721\build\tests\web-platform\tests\tools\wptrunner\wptrunner\browsers\firefox.py", line 461, in check_crash
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -     test=test))
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -   File "Z:\task_1579869721\build\venv\lib\site-packages\mozcrash\mozcrash.py", line 132, in log_crashes
[task 2020-01-24T14:06:33.360Z] 14:06:33    ERROR -     stackwalk_binary=stackwalk_binary):
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR -   File "Z:\task_1579869721\build\venv\lib\site-packages\mozcrash\mozcrash.py", line 246, in __iter__
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR -     rv = self._process_dump_file(path, extra)
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR -   File "Z:\task_1579869721\build\venv\lib\site-packages\mozcrash\mozcrash.py", line 268, in _process_dump_file
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR -     self._get_symbols()
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR -   File "Z:\task_1579869721\build\venv\lib\site-packages\mozcrash\mozcrash.py", line 216, in _get_symbols
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR -     symbols_file.write(data.read())
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR -   File "c:\mozilla-build\python\Lib\socket.py", line 362, in read
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR -     buf.write(data)
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR - MemoryError: out of memory
[task 2020-01-24T14:06:33.361Z] 14:06:33    ERROR -