Bug: Intermittent browser/components/tabbrowser/test/browser/tabs/browser_scroll_size_determination.js | single tracking bug
Status: NEW
Priority: P5
Created: 2024-11-21 15:13:34+00:00
Resolved: 2025-03-03 06:47:42+00:00

**Filed by:** amarc [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=483644523&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/PRuYAxSuRp2fr_FJXz6yUQ/runs/0/artifacts/public/logs/live_backing.log

---
```
task 2024-11-21T14:58:44.980Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: quota manager shutdown step: '0.004947s: stopKillActorsTimer', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:44.980Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: quota manager shutdown step: '0.004963s: shutdownAndJoinWorkThreads', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:44.980Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: idb: '0.004970s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:44.980Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: cache: '0.006154s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:44.981Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: sdb: '0.006173s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:44.982Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: fs: '0.006182s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:44.983Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: ls: '0.006188s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:44.985Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: quota manager shutdown step: '0.006195s: shutdownAndJoinIOThread', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:44.985Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: quota manager shutdown step: '0.006904s: invalidatePendingDirectoryLocks', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:44.985Z] 14:58:44     INFO - GECKO(1099) | [Parent 1099, IPDL Background] WARNING: quota manager shutdown step: '0.006920s: stopCrashBrowserTimer', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:2233
[task 2024-11-21T14:58:45.107Z] 14:58:45     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_TRUE(aWindowContext) failed: file /builds/worker/checkouts/gecko/toolkit/components/antitracking/bouncetrackingprotection/BounceTrackingProtection.cpp:437
[task 2024-11-21T14:58:45.123Z] 14:58:45     INFO - GECKO(1099) | [Utility 1109, Main Thread] WARNING: IPC message 'PUtilityProcess::Msg_FOGData' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:557
[task 2024-11-21T14:58:45.124Z] 14:58:45     INFO - GECKO(1099) | [Utility AudioDecoder 1137, Main Thread] WARNING: IPC message 'PUtilityProcess::Msg_FOGData' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:557
[task 2024-11-21T14:58:45.134Z] 14:58:45     INFO - GECKO(1099) | [Socket 1100, Main Thread] WARNING: IPC message 'PSocketProcess::Msg_FOGData' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:557
[task 2024-11-21T14:58:45.569Z] 14:58:45     INFO - GECKO(1099) | [RDD 1102, Main Thread] WARNING: IPC message 'PRDD::Msg_FOGData' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:557
[task 2024-11-21T14:58:46.516Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (1918f3a00) [pid = 1099] [serial = 577] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2024-11-21T14:58:46.523Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (136230a00) [pid = 1099] [serial = 3] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2024-11-21T14:58:46.524Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (15d982800) [pid = 1099] [serial = 10] [outer = 0] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2024-11-21T14:58:46.524Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (15b53d000) [pid = 1099] [serial = 5] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2024-11-21T14:58:46.525Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (1330c8600) [pid = 1099] [serial = 1] [outer = 0] [url = chrome://browser/content/hiddenWindowMac.xhtml]
[task 2024-11-21T14:58:46.525Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (103b5de00) [pid = 1099] [serial = 8] [outer = 0] [url = about:blank]
[task 2024-11-21T14:58:46.653Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (1361c4400) [pid = 1099] [serial = 4] [outer = 0] [url = about:blank]
[task 2024-11-21T14:58:46.653Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (135344400) [pid = 1099] [serial = 2] [outer = 0] [url = about:blank]
[task 2024-11-21T14:58:46.654Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (15ca62c00) [pid = 1099] [serial = 7] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2024-11-21T14:58:46.654Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (15f0af400) [pid = 1099] [serial = 1007] [outer = 0] [url = about:blank]
[task 2024-11-21T14:58:46.655Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (1688c1000) [pid = 1099] [serial = 11] [outer = 0] [url = about:blank]
[task 2024-11-21T14:58:46.655Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (1a5789c00) [pid = 1099] [serial = 578] [outer = 0] [url = about:blank]
[task 2024-11-21T14:58:46.678Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_SUCCESS_VOID(rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:406
[task 2024-11-21T14:58:46.678Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_TRUE(!!svc) failed: file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:506
[task 2024-11-21T14:58:46.679Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_SUCCESS_VOID(rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:406
[task 2024-11-21T14:58:46.679Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_TRUE(!!svc) failed: file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:506
[task 2024-11-21T14:58:46.680Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_SUCCESS_VOID(rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:406
[task 2024-11-21T14:58:46.680Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_TRUE(!!svc) failed: file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:506
[task 2024-11-21T14:58:46.681Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_SUCCESS_VOID(rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:406
[task 2024-11-21T14:58:46.681Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_TRUE(!!svc) failed: file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:506
[task 2024-11-21T14:58:46.682Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_SUCCESS_VOID(rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:406
[task 2024-11-21T14:58:46.682Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_TRUE(!!svc) failed: file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:506
[task 2024-11-21T14:58:46.683Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_SUCCESS_VOID(rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:406
[task 2024-11-21T14:58:46.683Z] 14:58:46     INFO - GECKO(1099) | [Parent 1099, Main Thread] WARNING: NS_ENSURE_TRUE(!!svc) failed: file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:506
[task 2024-11-21T14:58:46.765Z] 14:58:46     INFO - TEST-INFO | Main app process: exit 0
[task 2024-11-21T14:58:46.766Z] 14:58:46     INFO - TEST-INFO | Confirming we saw 2533 DOCSHELL created and 2532 destroyed log strings.
[task 2024-11-21T14:58:46.766Z] 14:58:46     INFO - TEST-INFO | Confirming we saw 6960 DOMWINDOW created and 6957 destroyed log strings.
[task 2024-11-21T14:58:46.766Z] 14:58:46     INFO - TEST-INFO | browser/components/tabbrowser/test/browser/tabs/browser_scroll_size_determination.js | windows(s) leaked: [pid = 1099] [serial = 578], [pid = 1099] [serial = 577]
[task 2024-11-21T14:58:46.767Z] 14:58:46     INFO - TEST-UNEXPECTED-FAIL | browser/components/tabbrowser/test/browser/tabs/browser_scroll_size_determination.js | leaked 1 window(s) until shutdown [url = about:blank]
[task 2024-11-21T14:58:46.767Z] 14:58:46     INFO - TEST-INFO 
[task 2024-11-21T14:58:46.767Z] 14:58:46     INFO - TEST-UNEXPECTED-FAIL | browser/components/tabbrowser/test/browser/tabs/browser_scroll_size_determination.js | leaked 1 window(s) until shutdown [url = chrome://browser/content/browser.xhtml]
[task 2024-11-21T14:58:46.767Z] 14:58:46     INFO - TEST-INFO 
[task 2024-11-21T14:58:46.767Z] 14:58:46     INFO - runtests.py | Application ran for: 0:14:26.921782
[task 2024-11-21T14:58:46.768Z] 14:58:46     INFO - zombiecheck | Reading PID log: /var/folders/tl/fjf3v7t16nsdlm7yhxw91gzr000014/T/tmp7s8ioixzpidlog
[task 2024-11-21T14:58:46.768Z] 14:58:46     INFO - ==> process 1099 launched child process 1100
[task 2024-11-21T14:58:46.769Z] 14:58:46     INFO - ==> process 1099 launched child process 1101
[task 2024-11-21T14:58:46.769Z] 14:58:46     INFO - ==> process 1099 launched child process 1102
<...>
[task 2024-11-21T14:58:47.192Z] 14:58:47     INFO - zombiecheck | Checking for orphan process with PID: 2043
[task 2024-11-21T14:58:47.193Z] 14:58:47     INFO - zombiecheck | Checking for orphan process with PID: 2044
[task 2024-11-21T14:58:47.193Z] 14:58:47     INFO - zombiecheck | Checking for orphan process with PID: 2045
[task 2024-11-21T14:58:47.193Z] 14:58:47     INFO - zombiecheck | Checking for orphan process with PID: 2046
[task 2024-11-21T14:58:47.193Z] 14:58:47     INFO - zombiecheck | Checking for orphan process with PID: 2047
[task 2024-11-21T14:58:47.194Z] 14:58:47     INFO - Stopping web server
[task 2024-11-21T14:58:47.194Z] 14:58:47     INFO - Server shut down.
[task 2024-11-21T14:58:47.194Z] 14:58:47     INFO - Web server killed.
[task 2024-11-21T14:58:47.195Z] 14:58:47     INFO - Stopping web socket server
[task 2024-11-21T14:58:47.195Z] 14:58:47     INFO - Stopping ssltunnel
[task 2024-11-21T14:58:47.195Z] 14:58:47     INFO - leakcheck | Processing log file /var/folders/tl/fjf3v7t16nsdlm7yhxw91gzr000014/T/tmpagae2zfq.mozrunner/runtests_leaks.log for scope browser/components/tabbrowser/test/browser/tabs/browser.toml
[task 2024-11-21T14:58:47.196Z] 14:58:47     INFO - TEST-INFO | leakcheck | default process: leak threshold set at 0 bytes
[task 2024-11-21T14:58:47.196Z] 14:58:47     INFO - TEST-INFO | leakcheck | tab process: leak threshold set at 0 bytes
[task 2024-11-21T14:58:47.196Z] 14:58:47     INFO - TEST-INFO | leakcheck | gmplugin process: leak threshold set at 20000 bytes
[task 2024-11-21T14:58:47.196Z] 14:58:47     INFO - TEST-INFO | leakcheck | gpu process: leak threshold set at 0 bytes
[task 2024-11-21T14:58:47.197Z] 14:58:47     INFO - TEST-INFO | leakcheck | vr process: leak threshold set at 0 bytes
[task 2024-11-21T14:58:47.197Z] 14:58:47     INFO - TEST-INFO | leakcheck | rdd process: leak threshold set at 0 bytes
[task 2024-11-21T14:58:47.197Z] 14:58:47     INFO - TEST-INFO | leakcheck | socket process: leak threshold set at 0 bytes
[task 2024-11-21T14:58:47.198Z] 14:58:47     INFO - TEST-INFO | leakcheck | forkserver process: leak threshold set at 0 bytes
[task 2024-11-21T14:58:47.198Z] 14:58:47     INFO - TEST-INFO | leakcheck | utility process: leak threshold set at 0 bytes
[task 2024-11-21T14:58:47.198Z] 14:58:47     INFO - leakcheck | Processing leak log file /var/folders/tl/fjf3v7t16nsdlm7yhxw91gzr000014/T/tmpagae2zfq.mozrunner/runtests_leaks_tab_pid1370.log
[task 2024-11-21T14:58:47.199Z] 14:58:47     INFO - TEST-PASS | leakcheck | tab no leaks detected!
```