1899888 - Frequent "WARNING: Fallback to FallbackRenderer" during tests

Status: RESOLVED FIXED

(Core :: Graphics, task)

Description

[Andrew McCreight [:mccr8]]

This is the 7th most common source of log spam, looking at a single m-c MacOS push, with 36665 instances.

The 5 most common test chunks where this occurs:

  1494 - test-macosx1015-64-qr/debug-web-platform-tests-wdspec-4 Wd4
  1192 - test-macosx1015-64-qr/debug-marionette-swr Mn-swr
  1191 - test-macosx1015-64-qr/debug-marionette Mn
  1068 - test-macosx1015-64-qr/debug-web-platform-tests-crashtest-swr Wc
  1068 - test-macosx1015-64-qr/debug-web-platform-tests-crashtest Wc

It shows up in 3917 tests. A few of the most prevalent:

  6234 -        Shutdown
   234 -        /webdriver/tests/classic/new_session/unhandled_prompt_behavior.py
   144 -        /webdriver/tests/classic/new_session/create_alwaysMatch.py
   144 -        /webdriver/tests/classic/new_session/create_firstMatch.py
    78 -        toolkit/mozapps/extensions/test/browser/browser_html_detail_permissions.js

Comment 1

[Andrew McCreight [:mccr8]]

Attachment: Bug 1899888 - Remove the frequent "Fallback to FallbackRenderer" warning.

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/fd26ddc600ed
Remove the frequent "Fallback to FallbackRenderer" warning. r=gfx-reviewers,bradwerth

Comment 3

[pstanciu]

https://hg.mozilla.org/mozilla-central/rev/fd26ddc600ed