Bug: Intermittent browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PLayerTransaction::Msg_GetTextureFactoryIdentifier 1 more times than expected before becoming idle -
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-02-15 19:22:11+00:00
Resolved: 2021-06-29 17:04:03+00:00

**Filed by:** btara [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=330027404&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/cWppb2J-T8iyGQijer3vAw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-02-15T18:20:48.328Z] 18:20:48     INFO - TEST-START | browser/base/content/test/performance/browser_startup_syncIPC.js
[task 2021-02-15T18:20:48.338Z] 18:20:48     INFO - TEST-INFO | started process screenshot
[task 2021-02-15T18:20:48.417Z] 18:20:48     INFO - TEST-INFO | screenshot: exit 0
[task 2021-02-15T18:20:48.417Z] 18:20:48     INFO - Buffered messages logged at 18:20:48
[task 2021-02-15T18:20:48.417Z] 18:20:48     INFO - Entering test bound 
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO - known sync IPC before first paint:
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PLayerTransaction::Msg_GetTextureFactoryIdentifier - at most 3 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PCompositorBridge::Msg_NotifyChildCreated - at most 2 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PCompositorBridge::Msg_MapAndNotifyChildCreated - at most 2 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PCompositorBridge::Msg_FlushRendering - at most 1 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PCompositorBridge::Msg_Initialize - at most 3 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PCompositorWidget::Msg_Initialize - at most 3 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PGPU::Msg_AddLayerTreeIdMapping - at most 5 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PCompositorBridge::Msg_MakeSnapshot - at most 1 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PCompositorBridge::Msg_WillClose - at most 2 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PAPZInputBridge::Msg_ProcessUnhandledEvent - at most 1 times
[task 2021-02-15T18:20:48.418Z] 18:20:48     INFO -   PGPU::Msg_GetDeviceStatus - at most 1 times
[task 2021-02-15T18:20:48.419Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PLayerTransaction::Msg_GetTextureFactoryIdentifier allowed 1 more times before first paint - 
[task 2021-02-15T18:20:48.419Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_NotifyChildCreated allowed 2 more times before first paint - 
[task 2021-02-15T18:20:48.419Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_MapAndNotifyChildCreated happened as many times as expected before first paint - 
[task 2021-02-15T18:20:48.419Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_FlushRendering happened as many times as expected before first paint - 
[task 2021-02-15T18:20:48.419Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_Initialize allowed 1 more times before first paint - 
[task 2021-02-15T18:20:48.419Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorWidget::Msg_Initialize allowed 1 more times before first paint - 
[task 2021-02-15T18:20:48.420Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PGPU::Msg_AddLayerTreeIdMapping allowed 1 more times before first paint - 
[task 2021-02-15T18:20:48.420Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_MakeSnapshot allowed 1 more times before first paint - 
[task 2021-02-15T18:20:48.420Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_WillClose allowed 2 more times before first paint - 
[task 2021-02-15T18:20:48.420Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PAPZInputBridge::Msg_ProcessUnhandledEvent happened as many times as expected before first paint - 
[task 2021-02-15T18:20:48.420Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PGPU::Msg_GetDeviceStatus allowed 1 more times before first paint - 
[task 2021-02-15T18:20:48.420Z] 18:20:48     INFO - known sync IPC before handling user events:
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO -   PLayerTransaction::Msg_GetTextureFactoryIdentifier - at most 1 times
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO -   PCompositorBridge::Msg_Initialize - at most 1 times
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO -   PCompositorWidget::Msg_Initialize - at most 1 times
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO -   PCompositorBridge::Msg_WillClose - at most 2 times
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO -   PCompositorBridge::Msg_MakeSnapshot - at most 1 times
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO -   PAPZInputBridge::Msg_ProcessUnhandledEvent - at most 1 times
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO -   PAPZInputBridge::Msg_ReceiveMouseInputEvent - at most 1 times
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO -   PContent::Reply_BeginDriverCrashGuard - at most 1 times
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO -   PContent::Reply_EndDriverCrashGuard - at most 1 times
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PLayerTransaction::Msg_GetTextureFactoryIdentifier allowed 1 more times before handling user events - 
[task 2021-02-15T18:20:48.421Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_Initialize allowed 1 more times before handling user events - 
[task 2021-02-15T18:20:48.422Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorWidget::Msg_Initialize allowed 1 more times before handling user events - 
[task 2021-02-15T18:20:48.422Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_WillClose allowed 2 more times before handling user events - 
[task 2021-02-15T18:20:48.422Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_MakeSnapshot allowed 1 more times before handling user events - 
[task 2021-02-15T18:20:48.422Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PAPZInputBridge::Msg_ProcessUnhandledEvent allowed 1 more times before handling user events - 
[task 2021-02-15T18:20:48.422Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PAPZInputBridge::Msg_ReceiveMouseInputEvent allowed 1 more times before handling user events - 
[task 2021-02-15T18:20:48.422Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PContent::Reply_BeginDriverCrashGuard allowed 1 more times before handling user events - 
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PContent::Reply_EndDriverCrashGuard allowed 1 more times before handling user events - 
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO - known sync IPC before becoming idle:
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO -   PCompositorBridge::Msg_NotifyChildCreated - at most 1 times
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO -   PAPZInputBridge::Msg_ProcessUnhandledEvent - at most 1 times
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO -   PAPZInputBridge::Msg_ReceiveMouseInputEvent - at most 1 times
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO -   PLayerTransaction::Msg_GetTextureFactoryIdentifier - at most 1 times
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO -   PCompositorBridge::Msg_Initialize - at most 1 times
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO -   PCompositorWidget::Msg_Initialize - at most 1 times
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO -   PCompositorBridge::Msg_MapAndNotifyChildCreated - at most 1 times
[task 2021-02-15T18:20:48.423Z] 18:20:48     INFO -   PCompositorBridge::Msg_FlushRendering - at most 1 times
[task 2021-02-15T18:20:48.424Z] 18:20:48     INFO -   PCompositorBridge::Msg_MakeSnapshot - at most 1 times
[task 2021-02-15T18:20:48.424Z] 18:20:48     INFO -   PCompositorBridge::Msg_WillClose - at most 2 times
[task 2021-02-15T18:20:48.424Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_NotifyChildCreated allowed 1 more times before becoming idle - 
[task 2021-02-15T18:20:48.424Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PAPZInputBridge::Msg_ProcessUnhandledEvent happened as many times as expected before becoming idle - 
[task 2021-02-15T18:20:48.424Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PAPZInputBridge::Msg_ReceiveMouseInputEvent happened as many times as expected before becoming idle - 
[task 2021-02-15T18:20:48.424Z] 18:20:48     INFO - Buffered messages finished
[task 2021-02-15T18:20:48.424Z] 18:20:48     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PLayerTransaction::Msg_GetTextureFactoryIdentifier 1 more times than expected before becoming idle - 
[task 2021-02-15T18:20:48.424Z] 18:20:48     INFO - Stack trace:
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - chrome://mochikit/content/browser-test.js:test_ok:1323
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/browser_startup_syncIPC.js:null:390
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_Initialize 1 more times than expected before becoming idle - 
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - Stack trace:
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - chrome://mochikit/content/browser-test.js:test_ok:1323
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/browser_startup_syncIPC.js:null:390
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorWidget::Msg_Initialize 1 more times than expected before becoming idle - 
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - Stack trace:
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - chrome://mochikit/content/browser-test.js:test_ok:1323
[task 2021-02-15T18:20:48.425Z] 18:20:48     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/browser_startup_syncIPC.js:null:390
[task 2021-02-15T18:20:48.426Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_MapAndNotifyChildCreated allowed 1 more times before becoming idle - 
[task 2021-02-15T18:20:48.426Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_FlushRendering happened as many times as expected before becoming idle - 
[task 2021-02-15T18:20:48.426Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_MakeSnapshot happened as many times as expected before becoming idle - 
[task 2021-02-15T18:20:48.426Z] 18:20:48     INFO - TEST-PASS | browser/base/content/test/performance/browser_startup_syncIPC.js | sync IPC PCompositorBridge::Msg_WillClose happened as many times as expected before becoming idle - 
[task 2021-02-15T18:20:48.447Z] 18:20:48     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-15T18:20:48.447Z] 18:20:48     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_startup_syncIPC.js | Unexpected sync IPC behavior during startup; open the profile_startup_syncIPC.json artifact in the Firefox Profiler to see what happened - 
[task 2021-02-15T18:20:48.447Z] 18:20:48     INFO - Stack trace:
[task 2021-02-15T18:20:48.447Z] 18:20:48     INFO - chrome://mochikit/content/browser-test.js:test_ok:1323
[task 2021-02-15T18:20:48.447Z] 18:20:48     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/browser_startup_syncIPC.js:null:412
[task 2021-02-15T18:20:48.448Z] 18:20:48     INFO - Leaving test bound 
[task 2021-02-15T18:20:48.477Z] 18:20:48     INFO - GECKO(7020) | MEMORY STAT | vsize 2104251MB | vsizeMaxContiguous 66207347MB | residentFast 331MB | heapAllocated 145MB
[task 2021-02-15T18:20:48.477Z] 18:20:48     INFO - TEST-OK | browser/base/content/test/performance/browser_startup_syncIPC.js | took 147ms```