Bug 1770595 Comment 50 Edit History

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There have been 49 [total failures](https://treeherder.mozilla.org/intermittent-failures/bugdetails?startday=2023-01-22&endday=2023-01-29&tree=trunk&failurehash=all&bug=1770595) in the last 7 days, recent [failure log](https://treeherder.mozilla.org/logviewer?job_id=403861283&repo=autoland).

All failures are on linux1804-64-tsan-qr.

```
[task 2023-01-28T23:53:51.773Z] 23:53:51     INFO - REFTEST TEST-START | layout/reftests/css-scroll-snap/scroll-margin-on-anchor.html#target == layout/reftests/css-scroll-snap/scroll-margin-on-anchor-ref.html
[task 2023-01-28T23:53:51.778Z] 23:53:51     INFO - REFTEST TEST-LOAD | file:///builds/worker/workspace/build/tests/reftest/tests/layout/reftests/css-scroll-snap/scroll-margin-on-anchor.html#target | 0 / 2 (0%)
[task 2023-01-28T23:53:52.746Z] 23:53:52     INFO - REFTEST INFO | drawWindow flags = DRAWWINDOW_DRAW_CARET | DRAWWINDOW_DRAW_VIEW | DRAWWINDOW_USE_WIDGET_LAYERS; window size = 800,1000; test browser size = 800,1000
[task 2023-01-28T23:53:52.990Z] 23:53:52     INFO - ==4805==ERROR: ThreadSanitizer failed to allocate 0xfe1a9b5a6000 (279390228996096) bytes at address 800e4def000 (errno: 12)
[task 2023-01-28T23:53:53.038Z] 23:53:53     INFO - Exiting due to channel error.
[task 2023-01-28T23:53:53.039Z] 23:53:53     INFO - Exiting due to channel error.
[task 2023-01-28T23:53:53.040Z] 23:53:53     INFO - Crash Annotation GraphicsCriticalError: |[C0][GFX1-]: Receive IPC close with reason=AbnormalShutdown (t=5.07075) Exiting due to channel error.
[task 2023-01-28T23:53:53.041Z] 23:53:53     INFO - Crash Annotation GraphicsCriticalError: |[C0][GFX1-]: Receive IPC close with reason=AbnormalShutdown (t=1.23982) Exiting due to channel error.
[task 2023-01-28T23:53:53.042Z] 23:53:53     INFO - Crash Annotation GraphicsCriticalError: |[C0][GFX1-]: Receive IPC close with reason=AbnormalShutdown (t=5.11883) Exiting due to channel error.
[task 2023-01-28T23:53:54.063Z] 23:53:54     INFO - Crash Annotation GraphicsCriticalError: |[C0][GFX1-]: Receive IPC close with reason=AbnormalShutdown (t=16.8043)
[task 2023-01-28T23:53:54.064Z] 23:53:54    ERROR - TEST-UNEXPECTED-FAIL | layout/reftests/css-scroll-snap/scroll-margin-on-anchor.html#target | application terminated with exit code -6
[task 2023-01-28T23:53:54.072Z] 23:53:54     INFO - REFTEST INFO | Process mode: e10s
[task 2023-01-28T23:53:54.072Z] 23:53:54  WARNING - leakcheck | refcount logging is off, so leaks can't be detected!
[task 2023-01-28T23:53:54.073Z] 23:53:54     INFO - REFTEST INFO | Result summary:
[task 2023-01-28T23:53:54.074Z] 23:53:54     INFO - REFTEST INFO | Successful: 358 (358 pass, 0 load only)
[task 2023-01-28T23:53:54.074Z] 23:53:54     INFO - REFTEST INFO | Unexpected: 0 (0 unexpected fail, 0 unexpected pass, 0 unexpected asserts, 0 failed load, 0 exception)
[task 2023-01-28T23:53:54.075Z] 23:53:54     INFO - REFTEST INFO | Known problems: 10 (3 known fail, 0 known asserts, 0 random, 7 skipped, 0 slow)
[task 2023-01-28T23:53:54.076Z] 23:53:54     INFO - REFTEST SUITE-END | Shutdown
[task 2023-01-28T23:53:54.114Z] 23:53:54    ERROR - Return code: 250
[task 2023-01-28T23:53:54.115Z] 23:53:54     INFO - TinderboxPrint: reftest-reftest<br/>729/0/3
[task 2023-01-28T23:53:54.116Z] 23:53:54    ERROR - # TBPL FAILURE #
[task 2023-01-28T23:53:54.116Z] 23:53:54  WARNING - setting return code to 2
[task 2023-01-28T23:53:54.117Z] 23:53:54    ERROR - The reftest suite: reftest ran with return status: FAILURE
[task 2023-01-28T23:53:54.118Z] 23:53:54     INFO - Running post-action listener: _package_coverage_data
[task 2023-01-28T23:53:54.119Z] 23:53:54     INFO - Running post-action listener: _resource_record_post_action
[task 2023-01-28T23:53:54.119Z] 23:53:54     INFO - Running post-action listener: process_java_coverage_data
[task 2023-01-28T23:53:54.119Z] 23:53:54     INFO - [mozharness: 2023-01-28 23:53:54.117016Z] Finished run-tests step (success)
[task 2023-01-28T23:53:54.119Z] 23:53:54     INFO - [mozharness: 2023-01-28 23:53:54.117223Z] Running uninstall step.
[task 2023-01-28T23:53:54.120Z] 23:53:54     INFO - Running pre-action listener: _resource_record_pre_action
[task 2023-01-28T23:53:54.120Z] 23:53:54     INFO - Running main action method: uninstall
[task 2023-01-28T23:53:54.121Z] 23:53:54     INFO - Skipping uninstall for non-MSIX test
[task 2023-01-28T23:53:54.122Z] 23:53:54     INFO - Running post-action listener: _resource_record_post_action
[task 2023-01-28T23:53:54.122Z] 23:53:54     INFO - [mozharness: 2023-01-28 23:53:54.117769Z] Finished uninstall step (success)
[task 2023-01-28T23:53:54.122Z] 23:53:54     INFO - Running post-run listener: _resource_record_post_run
[task 2023-01-28T23:53:54.188Z] 23:53:54     INFO - Validating Perfherder data against /builds/worker/workspace/mozharness/external_tools/performance-artifact-schema.json
[task 2023-01-28T23:53:54.193Z] 23:53:54     INFO - PERFHERDER_DATA: {"framework": {"name": "job_resource_usage"}, "suites": [{"name": "reftest.reftest.15.overall", "extraOptions": ["e10s", "taskcluster-projects/887720501152/machineTypes/n2-standard-2"], "subtests": [{"name": "cpu_percent", "value": 75.07033492822967}, {"name": "io_write_bytes", "value": 2903367680}, {"name": "io.read_bytes", "value": 43061248}, {"name": "io_write_time", "value": 984516}, {"name": "io_read_time", "value": 600}]}, {"name": "reftest.reftest.15.start-pulseaudio", "subtests": [{"name": "time", "value": 0.029196739196777344}, {"name": "cpu_percent", "value": 0}]}, {"name": "reftest.reftest.15.install", "subtests": [{"name": "time", "value": 41.69308543205261}, {"name": "cpu_percent", "value": 50.75}]}, {"name": "reftest.reftest.15.stage-files", "subtests": [{"name": "time", "value": 0.00029468536376953125}, {"name": "cpu_percent", "value": 0}]}, {"name": "reftest.reftest.15.run-tests", "subtests": [{"name": "time", "value": 586.9088296890259}, {"name": "cpu_percent", "value": 76.81239316239316}]}, {"name": "reftest.reftest.15.uninstall", "subtests": [{"name": "time", "value": 0.00027251243591308594}, {"name": "cpu_percent", "value": 0}]}]}
[task 2023-01-28T23:53:54.194Z] 23:53:54     INFO - Total resource usage - Wall time: 628s; CPU: Can't collect data; Read bytes: 43061248; Write bytes: 2903367680; Read time: 600; Write time: 984516
[task 2023-01-28T23:53:54.195Z] 23:53:54     INFO - TinderboxPrint: I/O read bytes / time<br/>43,061,248 / 600
[task 2023-01-28T23:53:54.196Z] 23:53:54     INFO - TinderboxPrint: I/O write bytes / time<br/>2,903,367,680 / 984,516
[task 2023-01-28T23:53:54.197Z] 23:53:54     INFO - TinderboxPrint: CPU idle<br/>311.4 (24.9%)
[task 2023-01-28T23:53:54.198Z] 23:53:54     INFO - TinderboxPrint: CPU system<br/>78.3 (6.3%)
[task 2023-01-28T23:53:54.199Z] 23:53:54     INFO - TinderboxPrint: CPU user<br/>860.0 (68.7%)
[task 2023-01-28T23:53:54.200Z] 23:53:54     INFO - TinderboxPrint: Swap in / out<br/>0 / 0
[task 2023-01-28T23:53:54.201Z] 23:53:54     INFO - start-pulseaudio - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2023-01-28T23:53:54.201Z] 23:53:54     INFO - install - Wall time: 42s; CPU: 51%; Read bytes: 196608; Write bytes: 1704931328; Read time: 0; Write time: 921920
[task 2023-01-28T23:53:54.202Z] 23:53:54     INFO - stage-files - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2023-01-28T23:53:54.203Z] 23:53:54     INFO - run-tests - Wall time: 587s; CPU: 77%; Read bytes: 42504192; Write bytes: 1198436352; Read time: 600; Write time: 62596
[task 2023-01-28T23:53:54.204Z] 23:53:54     INFO - uninstall - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2023-01-28T23:53:54.269Z] 23:53:54  WARNING - returning nonzero exit status 2
```

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