Bug: Intermittent browser/components/newtab/test/browser/abouthomecache/browser_no_cache.js | Test timed out -
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2020-06-17 19:39:01+00:00
Resolved: 2022-08-12 20:37:04+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=306672699&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fmNfUeXvTpWvMvEzvMEZ5Q/runs/0/artifacts/public/logs/live_backing.log
**Reftest URL:** https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fmNfUeXvTpWvMvEzvMEZ5Q/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---

```
[task 2020-06-17T18:41:32.496Z] 18:41:32     INFO - TEST-START | browser/components/newtab/test/browser/abouthomecache/browser_no_cache.js
[task 2020-06-17T18:43:02.739Z] 18:43:02     INFO - TEST-INFO | started process screencapture
[task 2020-06-17T18:43:02.920Z] 18:43:02     INFO - TEST-INFO | screencapture: exit 0
[task 2020-06-17T18:43:02.921Z] 18:43:02     INFO - Buffered messages logged at 18:41:32
[task 2020-06-17T18:43:02.921Z] 18:43:02     INFO - Entering test bound test_no_cache
[task 2020-06-17T18:43:02.921Z] 18:43:02     INFO - Test is clearing the cache
[task 2020-06-17T18:43:02.921Z] 18:43:02     INFO - Test has cleared the cache.
[task 2020-06-17T18:43:02.921Z] 18:43:02     INFO - Simulating restart of the browser
[task 2020-06-17T18:43:02.922Z] 18:43:02     INFO - Intentionally skipping shutdown write
[task 2020-06-17T18:43:02.922Z] 18:43:02     INFO - Waiting for AboutHomeStartupCacheChild to uninit
[task 2020-06-17T18:43:02.922Z] 18:43:02     INFO - Console message: 1592419292910	AboutHomeStartupCache	TRACE	Clearing the cache.
[task 2020-06-17T18:43:02.923Z] 18:43:02     INFO - Console message: 1592419292911	AboutHomeStartupCache	TRACE	Uninitialized.
[task 2020-06-17T18:43:02.923Z] 18:43:02     INFO - AboutHomeStartupCacheChild uninitted
[task 2020-06-17T18:43:02.923Z] 18:43:02     INFO - Waiting for AboutHomeStartupCache cache entry
[task 2020-06-17T18:43:02.923Z] 18:43:02     INFO - Console message: 1592419292913	AboutHomeStartupCache	TRACE	Initting.
[task 2020-06-17T18:43:02.924Z] 18:43:02     INFO - Console message: 1592419292913	AboutHomeStartupCache	TRACE	Initialized.
[task 2020-06-17T18:43:02.924Z] 18:43:02     INFO - Console message: 1592419292913	AboutHomeStartupCache	TRACE	Constructing pipes.
[task 2020-06-17T18:43:02.924Z] 18:43:02     INFO - Console message: 1592419292914	AboutHomeStartupCache	INFO	Sending input streams down to content process.
[task 2020-06-17T18:43:02.924Z] 18:43:02     INFO - Buffered messages logged at 18:42:17
[task 2020-06-17T18:43:02.925Z] 18:43:02     INFO - Longer timeout required, waiting longer...  Remaining timeouts: 1
[task 2020-06-17T18:43:02.925Z] 18:43:02     INFO - Buffered messages finished
[task 2020-06-17T18:43:02.925Z] 18:43:02     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/abouthomecache/browser_no_cache.js | Test timed out - 
[task 2020-06-17T18:43:02.925Z] 18:43:02     INFO - GECKO(1955) | MEMORY STAT | vsize 7520MB | residentFast 287MB | heapAllocated 95MB
[task 2020-06-17T18:43:02.925Z] 18:43:02     INFO - TEST-OK | browser/components/newtab/test/browser/abouthomecache/browser_no_cache.js | took 90250ms
[task 2020-06-17T18:43:02.925Z] 18:43:02     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-06-17T18:43:02.932Z] 18:43:02     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/abouthomecache/browser_no_cache.js | Found a tab after previous test timed out: about:home - 
[task 2020-06-17T18:43:02.932Z] 18:43:02     INFO - checking window state
[task 2020-06-17T18:43:02.932Z] 18:43:02     INFO - GECKO(1955) | Completed ShutdownLeaks collections in process 1955
[task 2020-06-17T18:43:02.932Z] 18:43:02     INFO - TEST-START | Shutdown
[task 2020-06-17T18:43:02.932Z] 18:43:02     INFO - Browser Chrome Test Summary
[task 2020-06-17T18:43:02.932Z] 18:43:02     INFO - Passed:  20
[task 2020-06-17T18:43:02.933Z] 18:43:02     INFO - Failed:  2
[task 2020-06-17T18:43:02.933Z] 18:43:02     INFO - Todo:    0
[task 2020-06-17T18:43:02.933Z] 18:43:02     INFO - Mode:    e10s
[task 2020-06-17T18:43:02.933Z] 18:43:02     INFO - *** End BrowserChrome Test Results ***
[task 2020-06-17T18:43:02.933Z] 18:43:02     INFO - GECKO(1955) | Exiting due to channel error.
[task 2020-06-17T18:43:02.933Z] 18:43:02     INFO - GECKO(1955) | ###!!! [Child][MessageChannel::SendAndWait] Error: Channel error: cannot send/recv
[task 2020-06-17T18:43:02.933Z] 18:43:02     INFO - GECKO(1955) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2020-06-17T18:43:02.934Z] 18:43:02     INFO - GECKO(1955) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2020-06-17T18:43:02.934Z] 18:43:02     INFO - GECKO(1955) | Exiting due to channel error.
[task 2020-06-17T18:43:02.934Z] 18:43:02     INFO - GECKO(1955) | Exiting due to channel error.
[task 2020-06-17T18:43:02.934Z] 18:43:02     INFO - GECKO(1955) | Exiting due to channel error.
[task 2020-06-17T18:43:02.934Z] 18:43:02     INFO - GECKO(1955) | Exiting due to channel error.
[task 2020-06-17T18:43:02.934Z] 18:43:02     INFO - GECKO(1955) | Exiting due to channel error.
[task 2020-06-17T18:43:02.934Z] 18:43:02     INFO - GECKO(1955) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2020-06-17T18:43:02.934Z] 18:43:02     INFO - GECKO(1955) | Exiting due to channel error.
[task 2020-06-17T18:43:02.935Z] 18:43:02     INFO - GECKO(1955) | Exiting due to channel error.
[task 2020-06-17T18:43:02.935Z] 18:43:02     INFO - GECKO(1955) | Exiting due to channel error.
[task 2020-06-17T18:43:02.973Z] 18:43:02     INFO - TEST-INFO | Main app process: exit 0
```