Filed by: wkocher [at] mozilla.com https://treeherder.mozilla.org/logviewer.html#?job_id=39070440&repo=mozilla-inbound https://queue.taskcluster.net/v1/task/ArQ0DY4XSqurw-tg2bpmDg/runs/0/artifacts/public%2Flogs%2Flive_backing.log

This new test was just added in bug 1316413. It's a frequent failure on OS X and Windows.

this picked up over the weekend, we have 35 instances in the last week (thursday-thursday), all on opt/e10s, but a variety of operating systems. in this linux64 log[0] we see this information related to the test: [task 2017-03-02T12:10:29.912016Z] 12:10:29 INFO - TEST-START | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js [task 2017-03-02T12:10:31.625283Z] 12:10:31 INFO - TEST-INFO | started process screentopng [task 2017-03-02T12:10:32.091771Z] 12:10:32 INFO - TEST-INFO | screentopng: exit 0 [task 2017-03-02T12:10:32.092565Z] 12:10:32 INFO - Buffered messages logged at 12:10:29 [task 2017-03-02T12:10:32.093244Z] 12:10:32 INFO - Entering test bound [task 2017-03-02T12:10:32.093959Z] 12:10:32 INFO - Adding a new tab with URL: http://example.com/browser/devtools/client/debugger/new/test/mochitest/examples/doc-sources.html [task 2017-03-02T12:10:32.095336Z] 12:10:32 INFO - Buffered messages logged at 12:10:30 [task 2017-03-02T12:10:32.096086Z] 12:10:32 INFO - Tab added and finished loading [task 2017-03-02T12:10:32.096856Z] 12:10:32 INFO - Opening the toolbox [task 2017-03-02T12:10:32.098077Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘-webkit-scrollbar’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 23 column: 2 source: "::-webkit-scrollbar {"}] [task 2017-03-02T12:10:32.099151Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘-webkit-scrollbar-track’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 29 column: 2 source: "::-webkit-scrollbar-track {"}] [task 2017-03-02T12:10:32.100329Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘-webkit-scrollbar-thumb’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 34 column: 2 source: "::-webkit-scrollbar-thumb {"}] [task 2017-03-02T12:10:32.101151Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 273 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.102259Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Error in parsing value for ‘transition’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 687 column: 24 source: " transition: all 0.25s easeinout;"}] [task 2017-03-02T12:10:32.103229Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Error in parsing value for ‘transition’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 718 column: 24 source: " transition: all 0.25s easeinout;"}] [task 2017-03-02T12:10:32.106093Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 744 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.107104Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 849 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.108131Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 895 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.109102Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 908 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.110041Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1158 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.110955Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘-moz-border-radius’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1167 column: 20 source: " -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;"}] [task 2017-03-02T12:10:32.111804Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘selection’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1248 column: 18 source: ".CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; }"}] [task 2017-03-02T12:10:32.113055Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1627 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.114551Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1637 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.116090Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1864 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.117614Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1906 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.119123Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘content’. Error in parsing value for ‘flex’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1968 column: 12 source: " flex: 0 1 content;"}] [task 2017-03-02T12:10:32.120689Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘-webkit-input-placeholder’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2013 column: 19 source: ".input-expression::-webkit-input-placeholder {"}] [task 2017-03-02T12:10:32.123602Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2125 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.124799Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2184 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.125911Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2233 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.127028Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2339 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.128153Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2356 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.129303Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2447 column: 13 source: " user-select: none;"}] [task 2017-03-02T12:10:32.130373Z] 12:10:32 INFO - Buffered messages logged at 12:10:31 [task 2017-03-02T12:10:32.131556Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2369 column: 48169 source: " var(--theme-comment-alt)"}] [task 2017-03-02T12:10:32.133278Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 918 column: 17576 source: " var(--theme-comment-alt)"}] [task 2017-03-02T12:10:32.135049Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.136737Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.141092Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.143265Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] [task 2017-03-02T12:10:32.145211Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.147056Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.149207Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.151564Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] [task 2017-03-02T12:10:32.153239Z] 12:10:32 INFO - Toolbox opened and focused [task 2017-03-02T12:10:32.156144Z] 12:10:32 INFO - Waiting on sources: simple1 [task 2017-03-02T12:10:32.157544Z] 12:10:32 INFO - TEST-PASS | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | undefined assertion name - [task 2017-03-02T12:10:32.159015Z] 12:10:32 INFO - Buffered messages finished [task 2017-03-02T12:10:32.160607Z] 12:10:32 INFO - TEST-UNEXPECTED-FAIL | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | undefined assertion name - Got 6, expected 7 [task 2017-03-02T12:10:32.162040Z] 12:10:32 INFO - Stack trace: [task 2017-03-02T12:10:32.163569Z] 12:10:32 INFO - chrome://mochikit/content/browser-test.js:test_is:911 [task 2017-03-02T12:10:32.164325Z] 12:10:32 INFO - chrome://mochitests/content/browser/devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js:null:24 [task 2017-03-02T12:10:32.165045Z] 12:10:32 INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:735:9 [task 2017-03-02T12:10:32.166272Z] 12:10:32 INFO - Tester.prototype.nextTest</<@chrome://mochikit/content/browser-test.js:655:7 [task 2017-03-02T12:10:32.167114Z] 12:10:32 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:791:59 [task 2017-03-02T12:10:32.168401Z] 12:10:32 INFO - Not taking screenshot here: see the one that was previously logged [task 2017-03-02T12:10:32.169552Z] 12:10:32 INFO - TEST-UNEXPECTED-FAIL | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | undefined assertion name - Got 6, expected 8 [task 2017-03-02T12:10:32.172090Z] 12:10:32 INFO - Stack trace: [task 2017-03-02T12:10:32.173085Z] 12:10:32 INFO - chrome://mochikit/content/browser-test.js:test_is:911 [task 2017-03-02T12:10:32.174139Z] 12:10:32 INFO - chrome://mochitests/content/browser/devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js:null:27 [task 2017-03-02T12:10:32.175171Z] 12:10:32 INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:735:9 [task 2017-03-02T12:10:32.175899Z] 12:10:32 INFO - Tester.prototype.nextTest</<@chrome://mochikit/content/browser-test.js:655:7 [task 2017-03-02T12:10:32.177349Z] 12:10:32 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:791:59 [task 2017-03-02T12:10:32.178531Z] 12:10:32 INFO - Not taking screenshot here: see the one that was previously logged [task 2017-03-02T12:10:32.179702Z] 12:10:32 INFO - TEST-UNEXPECTED-FAIL | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | Source is not focused - [task 2017-03-02T12:10:32.180952Z] 12:10:32 INFO - Stack trace: [task 2017-03-02T12:10:32.182033Z] 12:10:32 INFO - chrome://mochitests/content/browser/devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js:null:30 [task 2017-03-02T12:10:32.183117Z] 12:10:32 INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:735:9 [task 2017-03-02T12:10:32.184216Z] 12:10:32 INFO - Tester.prototype.nextTest</<@chrome://mochikit/content/browser-test.js:655:7 [task 2017-03-02T12:10:32.185271Z] 12:10:32 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:791:59 [task 2017-03-02T12:10:32.187327Z] 12:10:32 INFO - Waiting for SELECT_SOURCE to dispatch 1 time(s) [task 2017-03-02T12:10:32.189547Z] 12:10:32 INFO - SELECT_SOURCE dispatched 1 time(s) [task 2017-03-02T12:10:32.190718Z] 12:10:32 INFO - TEST-PASS | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | Source is focused - [task 2017-03-02T12:10:32.191878Z] 12:10:32 INFO - Not taking screenshot here: see the one that was previously logged [task 2017-03-02T12:10:32.193074Z] 12:10:32 INFO - TEST-UNEXPECTED-FAIL | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | The right source is selected - [task 2017-03-02T12:10:32.194485Z] 12:10:32 INFO - Stack trace: [task 2017-03-02T12:10:32.196163Z] 12:10:32 INFO - chrome://mochitests/content/browser/devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js:null:37 [task 2017-03-02T12:10:32.197241Z] 12:10:32 INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:735:9 [task 2017-03-02T12:10:32.198224Z] 12:10:32 INFO - Tester.prototype.nextTest</<@chrome://mochikit/content/browser-test.js:655:7 [task 2017-03-02T12:10:32.198988Z] 12:10:32 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:791:59 [task 2017-03-02T12:10:32.200226Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.201563Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.202879Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.205752Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] [task 2017-03-02T12:10:32.207194Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.208406Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.209844Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.211107Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] [task 2017-03-02T12:10:32.212134Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.213411Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.215501Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.216819Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] [task 2017-03-02T12:10:32.218246Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.219968Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.222397Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.223847Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] [task 2017-03-02T12:10:32.225438Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2471 column: 50031 source: " var(--theme-faded-tab-color)"}] [task 2017-03-02T12:10:32.226726Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2471 column: 50031 source: " var(--theme-faded-tab-color)"}] [task 2017-03-02T12:10:32.228075Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.229387Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.230632Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.231927Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] [task 2017-03-02T12:10:32.233194Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2471 column: 50031 source: " var(--theme-faded-tab-color)"}] [task 2017-03-02T12:10:32.234954Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2471 column: 50031 source: " var(--theme-faded-tab-color)"}] [task 2017-03-02T12:10:32.236234Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Use of nsIFile in content process is deprecated." {file: "resource://gre/modules/NetUtil.jsm" line: 304}] [task 2017-03-02T12:10:32.248435Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2471 column: 50031 source: " var(--theme-faded-tab-color)"}] [task 2017-03-02T12:10:32.264514Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2471 column: 50031 source: " var(--theme-faded-tab-color)"}] [task 2017-03-02T12:10:32.471115Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2471 column: 50031 source: " var(--theme-faded-tab-color)"}] [task 2017-03-02T12:10:32.507593Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Property contained reference to invalid variable. Error in parsing value for ‘color’. Falling back to ‘inherit’." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2471 column: 50031 source: " var(--theme-faded-tab-color)"}] [task 2017-03-02T12:10:32.665503Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.665646Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.665751Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] [task 2017-03-02T12:10:32.665893Z] 12:10:32 INFO - Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] [task 2017-03-02T12:11:14.955912Z] 12:11:14 INFO - Not taking screenshot here: see the one that was previously logged [task 2017-03-02T12:11:14.958292Z] 12:11:14 INFO - TEST-UNEXPECTED-FAIL | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | Test timed out - [task 2017-03-02T12:11:15.073469Z] 12:11:15 INFO - Removing tab. [task 2017-03-02T12:11:15.075155Z] 12:11:15 INFO - Waiting for event: 'TabClose' on [object XULElement]. [task 2017-03-02T12:11:15.082323Z] 12:11:15 INFO - Got event: 'TabClose' on [object XULElement]. [task 2017-03-02T12:11:15.106330Z] 12:11:15 INFO - Tab removed and finished closing [task 2017-03-02T12:11:15.147820Z] 12:11:15 INFO - MEMORY STAT | vsize 2490MB | residentFast 340MB | heapAllocated 138MB [task 2017-03-02T12:11:15.148104Z] 12:11:15 INFO - TEST-OK | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | took 45235ms and this is the screenshot: https://public-artifacts.taskcluster.net/aV_ClDCpTxC1Rt-ZCRCmyw/0/public/test_info//mozilla-test-fail-screenshot_4C_fxs.png :jlast, can you look into this or help find someone to look at this. Quite possibly with time this will magically resolve itself, although it could get worse for a few weeks- hopefully this is a simple thing. [0] https://public-artifacts.taskcluster.net/aV_ClDCpTxC1Rt-ZCRCmyw/0/public/logs/live_backing.log

this greatly reduced in frequency, any specific fix for this?

back to a lot of failures in the last 2 weeks, heavy on windows7 opt, but the last couple of days this shows up in other platforms (a lot of pgo, except for osx debug). here is data from a log[0]: 19:03:18 INFO - TEST-INFO | started process screenshot 19:03:18 INFO - TEST-INFO | screenshot: exit 0 19:03:18 INFO - Buffered messages logged at 19:03:17 19:03:18 INFO - 68 INFO Entering test bound 19:03:18 INFO - 69 INFO Adding a new tab with URL: http://example.com/browser/devtools/client/debugger/new/test/mochitest/examples/doc-sources.html 19:03:18 INFO - 70 INFO Console message: [JavaScript Warning: "Loading failed for the <script> with source “http://example.com/browser/devtools/client/debugger/new/test/mochitest/examples/nested/deeper/deeper-source.js”." {file: "http://example.com/browser/devtools/client/debugger/new/test/mochitest/examples/doc-sources.html" line: 21}] 19:03:18 INFO - 71 INFO Tab added and finished loading 19:03:18 INFO - 72 INFO Opening the toolbox 19:03:18 INFO - 73 INFO Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘-webkit-scrollbar’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 227 column: 2 source: "::-webkit-scrollbar {"}] 19:03:18 INFO - 74 INFO Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘-webkit-scrollbar-track’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 233 column: 2 source: "::-webkit-scrollbar-track {"}] 19:03:18 INFO - 75 INFO Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘-webkit-scrollbar-thumb’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 238 column: 2 source: "::-webkit-scrollbar-thumb {"}] 19:03:18 INFO - 76 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 474 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 77 INFO Console message: [JavaScript Warning: "Unknown property ‘-moz-border-radius’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 483 column: 20 source: " -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;"}] 19:03:18 INFO - 78 INFO Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘selection’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 564 column: 18 source: ".CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; }"}] 19:03:18 INFO - 79 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 962 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 80 INFO Console message: [JavaScript Warning: "Error in parsing value for ‘transition’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1368 column: 24 source: " transition: all 0.25s easeinout;"}] 19:03:18 INFO - 81 INFO Console message: [JavaScript Warning: "Error in parsing value for ‘transition’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1400 column: 24 source: " transition: all 0.25s easeinout;"}] 19:03:18 INFO - 82 INFO Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘-webkit-input-placeholder’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1478 column: 16 source: ".search-field ::-webkit-input-placeholder {"}] 19:03:18 INFO - 83 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1519 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 84 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1625 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 85 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1671 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 86 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1684 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 87 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1775 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 88 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1786 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 89 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 1846 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 90 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2218 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 91 INFO Console message: [JavaScript Warning: "Unknown pseudo-class or pseudo-element ‘-webkit-input-placeholder’. Ruleset ignored due to bad selector." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2231 column: 19 source: ".input-expression::-webkit-input-placeholder {"}] 19:03:18 INFO - 92 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2327 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 93 INFO Console message: [JavaScript Warning: "Expected end of value but found ‘content’. Error in parsing value for ‘flex’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2389 column: 12 source: " flex: 0 1 content;"}] 19:03:18 INFO - 94 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2472 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 95 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2547 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 96 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2596 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 97 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2722 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 98 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2740 column: 13 source: " user-select: none;"}] 19:03:18 INFO - 99 INFO Console message: [JavaScript Warning: "Unknown property ‘user-select’. Declaration dropped." {file: "resource://devtools/client/debugger/new/debugger.css" line: 2843 column: 13 source: " user-select: none;"}] 19:03:18 INFO - Buffered messages logged at 19:03:18 19:03:18 INFO - 100 INFO Toolbox opened and focused 19:03:18 INFO - 101 INFO Waiting on sources: simple1 19:03:18 INFO - Buffered messages finished 19:03:18 ERROR - 102 INFO TEST-UNEXPECTED-FAIL | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | undefined assertion name - Got 0, expected 2 19:03:18 INFO - Stack trace: 19:03:18 INFO - chrome://mochikit/content/browser-test.js:test_is:928 19:03:18 INFO - chrome://mochitests/content/browser/devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js:null:21 19:03:18 INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:752:9 19:03:18 INFO - Tester.prototype.nextTest</<@chrome://mochikit/content/browser-test.js:672:7 19:03:18 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:791:59 19:03:18 INFO - GECKO(3820) | ************************* 19:03:18 INFO - GECKO(3820) | A coding exception was thrown and uncaught in a Task. 19:03:18 INFO - GECKO(3820) | Full message: TypeError: aTarget is null 19:03:18 INFO - GECKO(3820) | Full stack: synthesizeMouseAtCenter@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:458:7 19:03:18 INFO - GECKO(3820) | clickElement@chrome://mochitests/content/browser/devtools/client/debugger/new/test/mochitest/head.js:650:10 19:03:18 INFO - GECKO(3820) | @chrome://mochitests/content/browser/devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js:23:3 19:03:18 INFO - GECKO(3820) | Tester_execTest@chrome://mochikit/content/browser-test.js:752:9 19:03:18 INFO - GECKO(3820) | Tester.prototype.nextTest</<@chrome://mochikit/content/browser-test.js:672:7 19:03:18 INFO - GECKO(3820) | SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:791:59 19:03:18 INFO - GECKO(3820) | ************************* 19:03:18 INFO - Not taking screenshot here: see the one that was previously logged 19:03:18 ERROR - 103 INFO TEST-UNEXPECTED-FAIL | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | Uncaught exception - at chrome://mochikit/content/tests/SimpleTest/EventUtils.js:458 - TypeError: aTarget is null 19:03:18 INFO - Stack trace: 19:03:18 INFO - synthesizeMouseAtCenter@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:458:7 19:03:18 INFO - clickElement@chrome://mochitests/content/browser/devtools/client/debugger/new/test/mochitest/head.js:650:10 19:03:18 INFO - @chrome://mochitests/content/browser/devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js:23:3 19:03:18 INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:752:9 19:03:18 INFO - Tester.prototype.nextTest</<@chrome://mochikit/content/browser-test.js:672:7 19:03:18 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:791:59 19:03:18 INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:752:9 19:03:18 INFO - Tester.prototype.nextTest</<@chrome://mochikit/content/browser-test.js:672:7 19:03:18 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:791:59 19:03:18 INFO - 104 INFO Leaving test bound 19:03:18 INFO - 105 INFO Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] 19:03:18 INFO - 106 INFO Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] 19:03:18 INFO - 107 INFO Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] 19:03:18 INFO - 108 INFO Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] 19:03:18 INFO - 109 INFO Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘width’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] 19:03:18 INFO - 110 INFO Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘height’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] 19:03:18 INFO - 111 INFO Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘padding’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 2 source: "0 !important"}] 19:03:18 INFO - 112 INFO Console message: [JavaScript Warning: "Expected end of value but found ‘!’. Error in parsing value for ‘margin-inline-start’. Declaration dropped." {file: "chrome://devtools/content/debugger/new/index.html" line: 0 column: 8 source: "-1000px !important"}] 19:03:18 INFO - 113 INFO Removing tab. 19:03:18 INFO - 114 INFO Waiting for event: 'TabClose' on [object XULElement]. 19:03:18 INFO - 115 INFO Got event: 'TabClose' on [object XULElement]. 19:03:18 INFO - 116 INFO Tab removed and finished closing 19:03:18 INFO - GECKO(3820) | MEMORY STAT | vsize 922MB | vsizeMaxContiguous 635MB | residentFast 522MB | heapAllocated 264MB 19:03:18 INFO - 117 INFO TEST-OK | devtools/client/debugger/new/test/mochitest/browser_dbg-sources.js | took 856ms [0] https://treeherder.mozilla.org/logviewer.html#?repo=mozilla-central&job_id=91914282&lineNumber=1836 :jlast, any chance you could look at this this week or next week?

Bulk priority update of open intermittent test failure bugs. P3 => P5 https://bugzilla.mozilla.org/show_bug.cgi?id=1381960