Bug: Intermittent browser/components/tabbrowser/test/browser/tabs/browser_tabDrop.js | single tracking bug
Status: NEW
Priority: P5
Created: 2025-01-10 07:33:26+00:00
Resolved: 2025-03-03 06:47:58+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=489524512&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/EnnJoCVaQLuPFSVXNjc9uw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2025-01-10T06:44:00.290Z] 06:44:00     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tabDrop.js | Got drop event - 
[task 2025-01-10T06:44:00.290Z] 06:44:00     INFO - Leaving test bound multiple_tabs_under_max
[task 2025-01-10T06:44:00.291Z] 06:44:00     INFO - Entering test bound multiple_tabs_over_max_accept
[task 2025-01-10T06:44:00.291Z] 06:44:00     INFO - Starting test for dragData:[[{"type":"text/plain","data":"example.com/accept0\nexample.com/accept1\nexample.com/accept2\nexample.com/accept3\nexample.com/accept4"}]]; expectedURLs.length:5
[task 2025-01-10T06:44:00.292Z] 06:44:00     INFO - Buffered messages finished
[task 2025-01-10T06:44:00.292Z] 06:44:00     INFO - TEST-UNEXPECTED-TIMEOUT | browser/components/tabbrowser/test/browser/tabs/browser_tabDrop.js | application timed out after 370 seconds with no output
[task 2025-01-10T06:44:00.292Z] 06:44:00     INFO - TEST-INFO took 372278ms
[task 2025-01-10T06:44:00.292Z] 06:44:00     INFO - Buffered messages finished
[task 2025-01-10T06:44:00.292Z] 06:44:00  WARNING - Force-terminating active process(es).
[task 2025-01-10T06:44:00.293Z] 06:44:00  WARNING - profiler Attempting to start the profiler to help with diagnosing the hang.
[task 2025-01-10T06:44:00.293Z] 06:44:00     INFO - profiler Sending SIGUSR1 to pid 4893 start the profiler.
[task 2025-01-10T06:44:00.293Z] 06:44:00     INFO - profiler Waiting 10s to capture a profile...
[task 2025-01-10T06:44:10.248Z] 06:44:10     INFO - profiler Sending SIGUSR2 to pid 4893 stop the profiler.
[task 2025-01-10T06:44:10.248Z] 06:44:10     INFO - profiler Wait 10s for Firefox to write the profile to disk.
[task 2025-01-10T06:44:20.331Z] 06:44:20     INFO - profiler Symbolicating profile in /opt/worker/tasks/task_173648498803026/build/blobber_upload_dir
[task 2025-01-10T06:44:20.332Z] 06:44:20     INFO - profiler Looking inside symbols dir: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XG2eL26USpCLWRrpR3HSNg/artifacts/public/build/target.crashreporter-symbols.zip)
[task 2025-01-10T06:44:20.332Z] 06:44:20     INFO - profiler Symbolicating profile: /opt/worker/tasks/task_173648498803026/build/blobber_upload_dir/profile_0_4893.json
[task 2025-01-10T06:44:20.332Z] 06:44:20     INFO - profiler Symbolicating the performance profile... This could take a couple of minutes.
[task 2025-01-10T06:44:22.518Z] 06:44:22     INFO - Determining child pids from psutil...
[task 2025-01-10T06:44:22.521Z] 06:44:22     INFO - [4894, 4895, 4898, 4899, 4901, 4923, 5663, 5713, 5714, 5715, 5716, 5717, 5718, 5739, 5740, 5741, 5742, 5743, 5744, 5745]
[task 2025-01-10T06:44:22.521Z] 06:44:22     INFO - ==> process 4893 launched child process 4894
```