Bug: Intermittent browser/base/content/test/siteIdentity/browser_about_blank_same_document_tabswitch.js | single tracking bug
Status: REOPENED
Priority: P5
Created: 2023-01-03 16:19:43+00:00
Resolved: 2025-03-03 07:04:48+00:00

**Filed by:** nerli [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=401213883&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/TfFeSWE0QAeAEWtvtUezrg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2023-01-03T14:37:33.066Z] 14:37:33     INFO - Buffered messages finished
[task 2023-01-03T14:37:33.067Z] 14:37:33     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/siteIdentity/browser_about_blank_same_document_tabswitch.js | Test timed out - 
[task 2023-01-03T14:37:33.067Z] 14:37:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-01-03T14:37:33.068Z] 14:37:33     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/siteIdentity/browser_about_blank_same_document_tabswitch.js | Uncaught exception received from previously timed out test - focus listener not removed before the end of test
[task 2023-01-03T14:37:33.069Z] 14:37:33     INFO - GECKO(5808) | [Child 3920: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 20f5fb35800 == 0 [pid = 3920] [id = 0] [url = https://example.com/]
[task 2023-01-03T14:37:33.071Z] 14:37:33     INFO - GECKO(5808) | [Child 3920: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (20f5a888bb0) [pid = 3920] [serial = 1] [outer = 0] [url = https://example.com/]
[task 2023-01-03T14:37:33.071Z] 14:37:33     INFO - GECKO(5808) | [Child 3920: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (20f5fb3d000) [pid = 3920] [serial = 3] [outer = 0] [url = https://example.com/]
[task 2023-01-03T14:37:33.072Z] 14:37:33     INFO - GECKO(5808) | [Child 3920, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3384
[task 2023-01-03T14:37:33.074Z] 14:37:33     INFO - GECKO(5808) | [Child 3920, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/obj-build/dist/include/mozilla/Preferences.h:129
[task 2023-01-03T14:37:33.082Z] 14:37:33     INFO - GECKO(5808) | [Child 3920, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4663
[task 2023-01-03T14:37:33.462Z] 14:37:33     INFO - GECKO(5808) | MEMORY STAT | vsize 2104242MB | vsizeMaxContiguous 70602305MB | residentFast 293MB | heapAllocated 104MB
[task 2023-01-03T14:37:33.470Z] 14:37:33     INFO - TEST-OK | browser/base/content/test/siteIdentity/browser_about_blank_same_document_tabswitch.js | took 90596ms
[task 2023-01-03T14:37:33.478Z] 14:37:33     INFO - GECKO(5808) | [Child 5616: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 1fe37c31c00 == 1 [pid = 5616] [id = 1]
[task 2023-01-03T14:37:33.479Z] 14:37:33     INFO - GECKO(5808) | [Child 5616: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (1fe32987e20) [pid = 5616] [serial = 5] [outer = 0]
[task 2023-01-03T14:37:33.479Z] 14:37:33     INFO - GECKO(5808) | [Child 5616: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (1fe37c32400) [pid = 5616] [serial = 6] [outer = 1fe32987e20]
[task 2023-01-03T14:37:33.492Z] 14:37:33     INFO - GECKO(5808) | [GPU 1536, Compositor] WARNING: bad Shmem: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:446
[task 2023-01-03T14:37:33.500Z] 14:37:33     INFO - GECKO(5808) | [GPU 1536, Compositor] WARNING: bad Shmem: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:446
[task 2023-01-03T14:37:33.502Z] 14:37:33     INFO - GECKO(5808) | [GPU 1536, Compositor] WARNING: bad Shmem: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:446
[task 2023-01-03T14:37:33.504Z] 14:37:33     INFO - GECKO(5808) | [GPU 1536, Compositor] WARNING: bad Shmem: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:446
[task 2023-01-03T14:37:33.514Z] 14:37:33     INFO - checking window state
[task 2023-01-03T14:37:33.515Z] 14:37:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-01-03T14:37:33.515Z] 14:37:33     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/siteIdentity/browser_about_blank_same_document_tabswitch.js | Found a browser window after previous test timed out - 
[task 2023-01-03T14:37:33.574Z] 14:37:33     INFO - GECKO(5808) | [GPU 1536, Compositor] WARNING: Possibly dropping task posted to updater thread: file /builds/worker/checkouts/gecko/gfx/layers/apz/src/APZUpdater.cpp:371
```