Bug: Intermittent browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Test timed out -
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-06-22 19:45:08+00:00
Resolved: 2023-07-07 12:03:44+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=343506582&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/KSPdLeY9TNyDXBX2zjBcEQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-06-22T18:57:08.154Z] 18:57:08     INFO - TEST-START | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js
[task 2021-06-22T18:57:08.486Z] 18:57:08     INFO - GECKO(2212) | [GFX1-]: RenderCompositorSWGL failed mapping default framebuffer, no surf
[task 2021-06-22T18:57:12.103Z] 18:57:12     INFO - GECKO(2212) | JavaScript error: , line 0: uncaught exception: out of memory
[task 2021-06-22T18:57:12.136Z] 18:57:12     INFO - GECKO(2212) | JavaScript error: , line 0: uncaught exception: out of memory
[task 2021-06-22T18:57:12.516Z] 18:57:12     INFO - GECKO(2212) | JavaScript error: resource:///modules/sessionstore/ContentSessionStore.jsm, line 477: uncaught exception: out of memory
[task 2021-06-22T18:57:12.813Z] 18:57:12     INFO - GECKO(2212) | JavaScript error: , line 0: uncaught exception: out of memory
[task 2021-06-22T18:57:12.814Z] 18:57:12     INFO - GECKO(2212) | JavaScript error: , line 0: uncaught exception: out of memory
[task 2021-06-22T18:58:38.178Z] 18:58:38     INFO - TEST-INFO | started process screenshot
[task 2021-06-22T18:58:38.234Z] 18:58:38     INFO - TEST-INFO | screenshot: exit 0
[task 2021-06-22T18:58:38.235Z] 18:58:38     INFO - Buffered messages logged at 18:57:08
[task 2021-06-22T18:58:38.236Z] 18:58:38     INFO - Entering test bound test_dragging_private_windows
[task 2021-06-22T18:58:38.236Z] 18:58:38     INFO - Buffered messages logged at 18:57:09
[task 2021-06-22T18:58:38.236Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Should not be able to drag a normal tab to a private window - 
[task 2021-06-22T18:58:38.237Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Should not be able to drag a private tab to a normal window - 
[task 2021-06-22T18:58:38.238Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent moving a normal tab to a private tabbrowser - 
[task 2021-06-22T18:58:38.238Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent accepting a normal tab in a private tabbrowser - 
[task 2021-06-22T18:58:38.239Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent moving a private tab to a normal tabbrowser - 
[task 2021-06-22T18:58:38.240Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent accepting a private tab in a normal tabbrowser - 
[task 2021-06-22T18:58:38.240Z] 18:58:38     INFO - Leaving test bound test_dragging_private_windows
[task 2021-06-22T18:58:38.241Z] 18:58:38     INFO - Entering test bound test_dragging_e10s_windows
[task 2021-06-22T18:58:38.242Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Should not be able to drag a remote tab to a non-e10s window - 
[task 2021-06-22T18:58:38.243Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Should not be able to drag a non-remote tab to an e10s window - 
[task 2021-06-22T18:58:38.243Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent moving a normal tab to a private tabbrowser - 
[task 2021-06-22T18:58:38.244Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent accepting a normal tab in a private tabbrowser - 
[task 2021-06-22T18:58:38.245Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent moving a private tab to a normal tabbrowser - 
[task 2021-06-22T18:58:38.246Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent accepting a private tab in a normal tabbrowser - 
[task 2021-06-22T18:58:38.246Z] 18:58:38     INFO - Buffered messages logged at 18:57:10
[task 2021-06-22T18:58:38.247Z] 18:58:38     INFO - Leaving test bound test_dragging_e10s_windows
[task 2021-06-22T18:58:38.247Z] 18:58:38     INFO - Entering test bound test_dragging_fission_windows
[task 2021-06-22T18:58:38.248Z] 18:58:38     INFO - Buffered messages logged at 18:57:11
[task 2021-06-22T18:58:38.249Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Should not be able to drag a fission tab to a non-fission window - 
[task 2021-06-22T18:58:38.249Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Should not be able to drag a non-fission tab to an fission window - 
[task 2021-06-22T18:58:38.250Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Returns false swapping fission tab to a non-fission tabbrowser - 
[task 2021-06-22T18:58:38.251Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent moving a fission tab to a non-fission tabbrowser - 
[task 2021-06-22T18:58:38.251Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent accepting a fission tab in a non-fission tabbrowser - 
[task 2021-06-22T18:58:38.252Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Returns false swapping non-fission tab to a fission tabbrowser - 
[task 2021-06-22T18:58:38.253Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent moving a non-fission tab to a fission tabbrowser - 
[task 2021-06-22T18:58:38.254Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Prevent accepting a non-fission tab in a fission tabbrowser - 
[task 2021-06-22T18:58:38.254Z] 18:58:38     INFO - Leaving test bound test_dragging_fission_windows
[task 2021-06-22T18:58:38.255Z] 18:58:38     INFO - Entering test bound test_dragging_blacklisted
[task 2021-06-22T18:58:38.255Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Newly created tab should have a browser. - 
[task 2021-06-22T18:58:38.256Z] 18:58:38     INFO - TEST-PASS | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Expected a non-remote browser for URL: chrome://mochitests/content/browser/browser/base/content/test/general/browser_tab_drag_drop_perwindow.js - 
[task 2021-06-22T18:58:38.257Z] 18:58:38     INFO - Buffered messages logged at 18:57:12
[task 2021-06-22T18:58:38.258Z] 18:58:38     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory"]
[task 2021-06-22T18:58:38.258Z] 18:58:38     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory"]
[task 2021-06-22T18:58:38.259Z] 18:58:38     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory" {file: "resource:///modules/sessionstore/ContentSessionStore.jsm" line: 477}]
[task 2021-06-22T18:58:38.259Z] 18:58:38     INFO - send@resource:///modules/sessionstore/ContentSessionStore.jsm:477:9
[task 2021-06-22T18:58:38.259Z] 18:58:38     INFO - sendWhenIdle@resource:///modules/sessionstore/ContentSessionStore.jsm:431:14
[task 2021-06-22T18:58:38.259Z] 18:58:38     INFO - sendWhenIdle/<@resource:///modules/sessionstore/ContentSessionStore.jsm:438:48
[task 2021-06-22T18:58:38.259Z] 18:58:38     INFO - 
[task 2021-06-22T18:58:38.260Z] 18:58:38     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory"]
[task 2021-06-22T18:58:38.260Z] 18:58:38     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory"]
[task 2021-06-22T18:58:38.263Z] 18:58:38     INFO - Buffered messages logged at 18:57:53
[task 2021-06-22T18:58:38.263Z] 18:58:38     INFO - Longer timeout required, waiting longer...  Remaining timeouts: 1
[task 2021-06-22T18:58:38.264Z] 18:58:38     INFO - Buffered messages finished
[task 2021-06-22T18:58:38.264Z] 18:58:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Test timed out - 
[task 2021-06-22T18:58:38.264Z] 18:58:38     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-22T18:58:38.264Z] 18:58:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | A promise chain failed to handle a rejection: out of memory - stack: (No stack available.)
[task 2021-06-22T18:58:38.264Z] 18:58:38     INFO - Rejection date: Tue Jun 22 2021 18:57:12 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 285
[task 2021-06-22T18:58:38.264Z] 18:58:38     INFO - Stack trace:
[task 2021-06-22T18:58:38.265Z] 18:58:38     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:285
[task 2021-06-22T18:58:38.265Z] 18:58:38     INFO - chrome://mochikit/content/browser-test.js:nextTest:625
[task 2021-06-22T18:58:38.265Z] 18:58:38     INFO - chrome://mochikit/content/browser-test.js:timeoutFn:1219
[task 2021-06-22T18:58:38.266Z] 18:58:38     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-22T18:58:38.267Z] 18:58:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | A promise chain failed to handle a rejection: out of memory - stack: (No stack available.)
[task 2021-06-22T18:58:38.267Z] 18:58:38     INFO - Rejection date: Tue Jun 22 2021 18:57:12 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 285
[task 2021-06-22T18:58:38.267Z] 18:58:38     INFO - Stack trace:
[task 2021-06-22T18:58:38.267Z] 18:58:38     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:285
[task 2021-06-22T18:58:38.268Z] 18:58:38     INFO - chrome://mochikit/content/browser-test.js:nextTest:625
[task 2021-06-22T18:58:38.268Z] 18:58:38     INFO - chrome://mochikit/content/browser-test.js:timeoutFn:1219
[task 2021-06-22T18:58:38.268Z] 18:58:38     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-22T18:58:38.270Z] 18:58:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | A promise chain failed to handle a rejection: out of memory - stack: (No stack available.)
[task 2021-06-22T18:58:38.270Z] 18:58:38     INFO - Rejection date: Tue Jun 22 2021 18:57:12 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 285
[task 2021-06-22T18:58:38.270Z] 18:58:38     INFO - Stack trace:
[task 2021-06-22T18:58:38.270Z] 18:58:38     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:285
[task 2021-06-22T18:58:38.270Z] 18:58:38     INFO - chrome://mochikit/content/browser-test.js:nextTest:625
[task 2021-06-22T18:58:38.270Z] 18:58:38     INFO - chrome://mochikit/content/browser-test.js:timeoutFn:1219
[task 2021-06-22T18:58:38.271Z] 18:58:38     INFO - GECKO(2212) | MEMORY STAT | vsize 1833MB | vsizeMaxContiguous 7MB | residentFast 520MB | heapAllocated 752MB
[task 2021-06-22T18:58:38.271Z] 18:58:38     INFO - TEST-OK | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | took 90036ms
[task 2021-06-22T18:58:38.272Z] 18:58:38     INFO - checking window state
[task 2021-06-22T18:58:38.272Z] 18:58:38     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-22T18:58:38.273Z] 18:58:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Found a browser window after previous test timed out - 
[task 2021-06-22T18:58:38.274Z] 18:58:38     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-22T18:58:38.275Z] 18:58:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_tab_drag_drop_perwindow.js | Found a browser window after previous test timed out - 
[task 2021-06-22T18:58:38.275Z] 18:58:38     INFO - GECKO(2212) | must wait for focus
[task 2021-06-22T18:58:38.276Z] 18:58:38     INFO - GECKO(2212) | JavaScript error: resource:///modules/sessionstore/ContentSessionStore.jsm, line 467: Error: TelemetryStopwatch: key "FX_SESSION_RESTORE_CONTENT_COLLECT_DATA_MS" was already initialized
[task 2021-06-22T18:58:38.277Z] 18:58:38     INFO - GECKO(2212) | JavaScript error: resource:///modules/sessionstore/ContentSessionStore.jsm, line 473: Error: TelemetryStopwatch: finishing nonexisting stopwatch. Histogram: "FX_SESSION_RESTORE_CONTENT_COLLECT_DATA_MS", key: "historychange"
[task 2021-06-22T18:58:38.290Z] 18:58:38     INFO - TEST-START | browser/base/content/test/general/browser_tab_dragdrop2.js
```