Open Bug 1184803 Opened 4 years ago Updated 3 years ago

400 instances of "!textRect.mSucceeded" emitted from ContentCacheInChild::CacheTextRects during linux64 debug testing

Categories

(Core :: Widget, defect)

defect
Not set

Tracking

()

People

(Reporter: erahm, Unassigned)

References

(Blocks 1 open bug)

Details

(Whiteboard: tpi:-)

+++ This bug was initially created as a clone of Bug #1184677 +++

> 364 [NNNNN] WARNING: '!textRect.mSucceeded', file widget/ContentCache.cpp, line 308

This warning [1] shows up in the following test suites:

> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-4-bm115-tests1-linux64-build37.txt:157
> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-5-bm53-tests1-linux64-build5.txt:136
> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-2-bm53-tests1-linux64-build14.txt:48
> mozilla-central_ubuntu64_vm-debug_test-mochitest-1-bm53-tests1-linux64-build4.txt:12
> mozilla-central_ubuntu64_vm-debug_test-reftest-e10s-1-bm54-tests1-linux64-build9.txt:10
> mozilla-central_ubuntu64_vm-debug_test-reftest-e10s-2-bm115-tests1-linux64-build5.txt:1

It shows up in 20 tests. A few of the most prevalent:

> 125 - layout/generic/test/test_bug496275.html
> 65 - editor/libeditor/tests/test_bug674861.html
> 35 - dom/html/test/test_bug460568.html
> 22 - editor/libeditor/tests/test_bug570144.html
> 22 - editor/libeditor/tests/test_bug417418.html
> 21 - editor/libeditor/tests/test_bug1026397.html
> 17 - editor/libeditor/tests/test_bug449243.html
> 13 - dom/html/test/test_bug430392.html
> 12 - dom/browser-element/mochitest/test_browserElement_oop_CopyPaste.html
> 9 - file:///builds/slave/test/build/tests/reftest/tests/layout/reftests/bugs/503531-1.html

[1] https://hg.mozilla.org/mozilla-central/annotate/49683d4e9ebd/widget/ContentCache.cpp#l308
Running |./mach mochitest --e10s layout/generic/test/test_bug496275.html| I see the following warning chain repeated many times:

> [Child 24345] WARNING: NS_ENSURE_TRUE(frame) failed: file /home/erahm/dev/mozilla-central/dom/events/ContentEventHandler.cpp, line 806
> [Child 24345] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005: file /home/erahm/dev/mozilla-central/dom/events/ContentEventHandler.cpp, line 988
> [Child 24345] WARNING: '!textRect.mSucceeded', file /home/erahm/dev/mozilla-central/widget/ContentCache.cpp, line 308
> [Child 24345] WARNING: '!QueryCharRect(aWidget, mSelection.mAnchor, charRect)', file /home/erahm/dev/mozilla-central/widget/ContentCache.cpp, line 371
Whiteboard: tpi:-
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