1382809 - Investigate browser_appmenu_reflows.js failures on macOS and Windows debug and re-enable by default

Status: NEW

(Firefox :: General, defect, P3)

Description

[Mike Conley (:mconley) (:⚙️)]

In bug 1363361, I disabled browser_appmenu_reflows.js because of intermittent failure in the debug case. Clearly there's some kind of race going on here.

19:44:42     INFO - Click appMenu-library-button
19:44:42     INFO - Buffered messages finished
19:44:42     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_appmenu_reflows.js | unexpected uninterruptible reflow 
19:44:42     INFO - [
19:44:42     INFO - 	"get_alignmentPosition@chrome://global/content/bindings/popup.xml:158:11",
19:44:42     INFO - 	"adjustArrowPosition@chrome://global/content/bindings/popup.xml:428:13",
19:44:42     INFO - 	"onxblpopuppositioned@chrome://global/content/bindings/popup.xml:525:9",
19:44:42     INFO - 	""
19:44:42     INFO - ]
19:44:42     INFO -  - false == true - JS frame :: chrome://mochitests/content/browser/browser/base/content/test/performance/head.js :: reflow :: line 114
19:44:42     INFO - Stack trace:
19:44:42     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reflow:114
19:44:42     INFO - chrome://global/content/bindings/popup.xml:get_alignmentPosition:158
19:44:42     INFO - chrome://global/content/bindings/popup.xml:adjustArrowPosition:428
19:44:42     INFO - chrome://global/content/bindings/popup.xml:onxblpopuppositioned:525
19:44:42     INFO - Not taking screenshot here: see the one that was previously logged
19:44:42     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_appmenu_reflows.js | unexpected uninterruptible reflow 
19:44:42     INFO - [
19:44:42     INFO - 	"get_alignmentPosition@chrome://global/content/bindings/popup.xml:158:11",
19:44:42     INFO - 	"adjustArrowPosition@chrome://global/content/bindings/popup.xml:428:13",
19:44:42     INFO - 	"onxblpopuppositioned@chrome://global/content/bindings/popup.xml:525:9",
19:44:42     INFO - 	""
19:44:42     INFO - ]
19:44:42     INFO -  - false == true - JS frame :: chrome://mochitests/content/browser/browser/base/content/test/performance/head.js :: reflow :: line 114
19:44:42     INFO - Stack trace:
19:44:42     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reflow:114
19:44:42     INFO - chrome://global/content/bindings/popup.xml:get_alignmentPosition:158
19:44:42     INFO - chrome://global/content/bindings/popup.xml:adjustArrowPosition:428
19:44:42     INFO - chrome://global/content/bindings/popup.xml:onxblpopuppositioned:525
19:44:42     INFO - Not taking screenshot here: see the one that was previously logged
19:44:42     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_appmenu_reflows.js | unexpected uninterruptible reflow 
19:44:42     INFO - [
19:44:42     INFO - 	"get_alignmentPosition@chrome://global/content/bindings/popup.xml:158:11",
19:44:42     INFO - 	"adjustArrowPosition@chrome://global/content/bindings/popup.xml:428:13",
19:44:42     INFO - 	"onxblpopuppositioned@chrome://global/content/bindings/popup.xml:525:9",
19:44:42     INFO - 	""
19:44:42     INFO - ]
19:44:42     INFO -  - false == true - JS frame :: chrome://mochitests/content/browser/browser/base/content/test/performance/head.js :: reflow :: line 114
19:44:42     INFO - Stack trace:
19:44:42     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reflow:114
19:44:42     INFO - chrome://global/content/bindings/popup.xml:get_alignmentPosition:158
19:44:42     INFO - chrome://global/content/bindings/popup.xml:adjustArrowPosition:428
19:44:42     INFO - chrome://global/content/bindings/popup.xml:onxblpopuppositioned:525
19:44:42     INFO - GECKO(1704) | ++DOCSHELL 0x11d1af800 == 1 [pid = 1707] [id = {af02d2ad-a6e3-8942-9d75-e5bf4e0e0794}]
19:44:42     INFO - GECKO(1704) | ++DOMWINDOW == 1 (0x11d1b0000) [pid = 1707] [serial = 1] [outer = 0x0]
19:44:42     INFO - Shown appMenu-libraryView

Comment 1

[Mike Conley (:mconley) (:⚙️)]

Same thing occurred on Windows debug too.