Perma tabswitch [taskcluster:error] Aborting task...
Categories
(Testing :: Talos, defect, P5)
Tracking
(Not tracked)
People
(Reporter: intermittent-bug-filer, Unassigned)
References
(Regression)
Details
(Keywords: intermittent-failure)
Filed by: csabou [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=289529031&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/MECLx8mvSweRoc-_8usDkw/runs/0/artifacts/public/logs/live_backing.log
[task 2020-02-19T13:20:44.491Z] 13:20:44 INFO - TEST-START | tabswitch
[task 2020-02-19T13:20:44.493Z] 13:20:44 INFO - Initialising browser for tabswitch test...
[task 2020-02-19T13:20:44.493Z] 13:20:44 INFO - Cloning profile located at /home/cltbld/tasks/task_1582118254/build/tests/talos/talos/base_profile
[task 2020-02-19T13:20:44.493Z] 13:20:44 INFO - Merging profile: /home/cltbld/tasks/task_1582118254/build/tests/talos/talos/profile_data/base
[task 2020-02-19T13:20:44.493Z] 13:20:44 INFO - Merging profile: /home/cltbld/tasks/task_1582118254/build/tests/talos/talos/profile_data/common
[task 2020-02-19T13:20:44.496Z] 13:20:44 INFO - Merging profile: /home/cltbld/tasks/task_1582118254/build/tests/talos/talos/profile_data/perf
[task 2020-02-19T13:20:44.500Z] 13:20:44 INFO - Installing Add-ons:
[task 2020-02-19T13:20:44.500Z] 13:20:44 INFO - ['/home/cltbld/tasks/task_1582118254/build/tests/talos/talos/talos-powers', '/home/cltbld/tasks/task_1582118254/build/tests/talos/talos/tests/tabswitch', '/home/cltbld/tasks/task_1582118254/build/tests/talos/talos/pageloader']
[task 2020-02-19T13:20:44.501Z] 13:20:44 INFO - Installing Webextensions:
[task 2020-02-19T13:20:44.501Z] 13:20:44 INFO - Application command: /home/cltbld/tasks/task_1582118254/build/application/firefox/firefox http://127.0.0.1:50615/getInfo.html -profile /tmp/tmp9uGXdi/profile
[task 2020-02-19T13:20:44.505Z] 13:20:44 INFO - TEST-INFO | started process 3501 (/home/cltbld/tasks/task_1582118254/build/application/firefox/firefox http://127.0.0.1:50615/getInfo.html)
[task 2020-02-19T13:20:44.894Z] 13:20:44 INFO - 1582118444889 addons.webextension.doh-rollout@mozilla.org WARN Loading extension 'doh-rollout@mozilla.org': Reading manifest: Invalid extension permission: networkStatus
[task 2020-02-19T13:20:44.910Z] 13:20:44 INFO - 1582118444903 addons.webextension.screenshots@mozilla.org WARN Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: mozillaAddons
[task 2020-02-19T13:20:44.910Z] 13:20:44 INFO - 1582118444903 addons.webextension.screenshots@mozilla.org WARN Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: telemetry
[task 2020-02-19T13:20:44.910Z] 13:20:44 INFO - 1582118444904 addons.webextension.screenshots@mozilla.org WARN Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: resource://pdf.js/
[task 2020-02-19T13:20:44.910Z] 13:20:44 INFO - 1582118444904 addons.webextension.screenshots@mozilla.org WARN Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: about:reader*
[task 2020-02-19T13:20:45.826Z] 13:20:45 INFO - __metrics
[task 2020-02-19T13:20:45.826Z] 13:20:45 INFO - Screen width/height: 1600/1200
[task 2020-02-19T13:20:45.826Z] 13:20:45 INFO - colorDepth: 24
[task 2020-02-19T13:20:45.826Z] 13:20:45 INFO - Browser inner width/height: 1280/966
[task 2020-02-19T13:20:45.826Z] 13:20:45 INFO - __metrics
[task 2020-02-19T13:20:45.887Z] 13:20:45 INFO - ATTENTION: default value of option force_s3tc_enable overridden by environment.
[task 2020-02-19T13:20:45.902Z] 13:20:45 INFO - JavaScript warning: resource://gre/modules/Troubleshoot.jsm, line 618: Error: WebGL context was lost.
[task 2020-02-19T13:20:45.902Z] 13:20:45 INFO - JavaScript warning: resource://gre/modules/Troubleshoot.jsm, line 618: Error: WebGL context was lost.
[task 2020-02-19T13:20:46.656Z] 13:20:46 ERROR - about:support {"application":{"name":"Firefox","osVersion":"Linux 4.4.0-66-generic","version":"75.0a1","buildID":"20200219033730","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:75.0) Gecko/20100101 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[task 2020-02-19T13:20:46.919Z] 13:20:46 INFO - TEST-INFO | 3501: exit 0
[task 2020-02-19T13:20:46.934Z] 13:20:46 INFO - Browser initialized.
[task 2020-02-19T13:20:46.934Z] 13:20:46 INFO - Fission enabled: True
[task 2020-02-19T13:20:47.185Z] 13:20:47 INFO - Running cycle 1/1 for tabswitch test...
[task 2020-02-19T13:20:47.188Z] 13:20:47 INFO - Using env: {'COMPIZ_CONFIG_PROFILE': 'ubuntu',
[task 2020-02-19T13:20:47.188Z] 13:20:47 INFO - 'DBUS_SESSION_BUS_ADDRESS': 'unix:abstract=/tmp/dbus-diVpNTdKwV,guid=c31d91c0439e9b0b6ee71dab5e4d356e',
[task 2020-02-19T13:20:47.189Z] 13:20:47 INFO - 'DEFAULTS_PATH': '/usr/share/gconf/ubuntu.default.path',
[task 2020-02-19T13:20:47.189Z] 13:20:47 INFO - 'DESKTOP_AUTOSTART_ID': '10e2058e59ef53302b158211825413294900000027310001',
[task 2020-02-19T13:20:47.189Z] 13:20:47 INFO - 'DISPLAY': ':0',
[task 2020-02-19T13:20:47.189Z] 13:20:47 INFO - 'EXTRA_MOZHARNESS_CONFIG': '{"test_packages_url": "https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/LGQlJmHFSk2eYIiwgyJNxA/artifacts/public/build/target.test_packages.json", "installer_url": "https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/LGQlJmHFSk2eYIiwgyJNxA/artifacts/public/build/target.tar.bz2"}',
[task 2020-02-19T13:20:47.189Z] 13:20:47 INFO - 'GECKO_HEAD_REPOSITORY': 'https://hg.mozilla.org/integration/autoland',
[task 2020-02-19T13:20:47.190Z] 13:20:47 INFO - 'GECKO_HEAD_REV': '97771e88ad8de9bf3c214ae144ab6451ca4b2f82',
[task 2020-02-19T13:20:47.190Z] 13:20:47 INFO - 'GNOME_DESKTOP_SESSION_ID': 'this-is-deprecated',
[task 2020-02-19T13:20:47.190Z] 13:20:47 INFO - 'GTK2_MODULES': 'overlay-scrollbar',
[task 2020-02-19T13:20:47.190Z] 13:20:47 INFO - 'GTK_MODULES': 'gail:atk-bridge',
[task 2020-02-19T13:20:47.190Z] 13:20:47 INFO - 'HOME': '/home/cltbld',
[task 2020-02-19T13:20:47.190Z] 13:20:47 INFO - 'JSGC_DISABLE_POISONING': '1',
[task 2020-02-19T13:20:47.192Z] 13:20:47 INFO - 'MINIDUMP_SAVE_PATH': '/home/cltbld/tasks/task_1582118254/build/blobber_upload_dir',
[task 2020-02-19T13:20:47.192Z] 13:20:47 INFO - 'MINIDUMP_STACKWALK': '/home/cltbld/tasks/task_1582118254/fetches/minidump_stackwalk/minidump_stackwalk',
[task 2020-02-19T13:20:47.193Z] 13:20:47 INFO - 'MOZ_ACCELERATED': '1',
[task 2020-02-19T13:20:47.193Z] 13:20:47 INFO - 'MOZ_AUTOMATION': '1',
[task 2020-02-19T13:20:47.193Z] 13:20:47 INFO - 'MOZ_CRASHREPORTER': '1',
[task 2020-02-19T13:20:47.193Z] 13:20:47 INFO - 'MOZ_CRASHREPORTER_NO_REPORT': '1',
[task 2020-02-19T13:20:47.193Z] 13:20:47 INFO - 'MOZ_DISABLE_NONLOCAL_CONNECTIONS': '1',
[task 2020-02-19T13:20:47.193Z] 13:20:47 INFO - 'MOZ_FETCHES': '[{"artifact": "public/build/minidump_stackwalk.tar.xz", "extract": true, "task": "RoZHQdJKSFunh-8_lImI3w"}]',
[task 2020-02-19T13:20:47.193Z] 13:20:47 INFO - 'MOZ_FETCHES_DIR': '/home/cltbld/tasks/task_1582118254/fetches',
[task 2020-02-19T13:20:47.193Z] 13:20:47 INFO - 'MOZ_SCM_LEVEL': '3',
[task 2020-02-19T13:20:47.193Z] 13:20:47 INFO - 'MOZ_UPLOAD_DIR': '/home/cltbld/tasks/task_1582118254/build/blobber_upload_dir',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'MOZ_USE_PAGELOADER': '1',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'MOZ_WEBRENDER': '1',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'NO_EM_RESTART': '1',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'PATH': '/home/cltbld/tasks/task_1582118254/build/venv/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'PWD': '/home/cltbld',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'PYTHONPATH': '/home/cltbld/tasks/task_1582118254/build/tests/talos',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'QT_ACCESSIBILITY': '1',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'QT_IM_MODULE': 'ibus',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'QT_LINUX_ACCESSIBILITY_ALWAYS_ON': '1',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'QT_QPA_PLATFORMTHEME': 'appmenu-qt5',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'RUST_BACKTRACE': 'full',
[task 2020-02-19T13:20:47.194Z] 13:20:47 INFO - 'SCCACHE_DISABLE': '1',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'SESSION_MANAGER': 'local/t-linux64-ms-144:@/tmp/.ICE-unix/2731,unix/t-linux64-ms-144:/tmp/.ICE-unix/2731',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'SHELL': '/bin/bash',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'SHLVL': '2',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'SSH_AGENT_PID': '2781',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'SSH_AUTH_SOCK': '/run/user/1001/keyring/ssh',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'STYLO_FORCE_ENABLED': '1',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'TASKCLUSTER_ROOT_URL': 'https://firefox-ci-tc.services.mozilla.com',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'TASK_ID': 'MECLx8mvSweRoc-8usDkw',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'TERM': 'xterm-256color',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'TMOUT': '86400',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'USER': 'cltbld',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'VTE_VERSION': '4205',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'WINDOWID': '20971530',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'XDG_CONFIG_DIRS': '/etc/xdg/xdg-ubuntu:/etc/xdg',
[task 2020-02-19T13:20:47.195Z] 13:20:47 INFO - 'XDG_CURRENT_DESKTOP': 'GNOME',
[task 2020-02-19T13:20:47.196Z] 13:20:47 INFO - 'XDG_DATA_DIRS': '/usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop',
[task 2020-02-19T13:20:47.196Z] 13:20:47 INFO - 'XDG_MENU_PREFIX': 'gnome-',
[task 2020-02-19T13:20:47.196Z] 13:20:47 INFO - 'XDG_RUNTIME_DIR': '/run/user/1001',
[task 2020-02-19T13:20:47.196Z] 13:20:47 INFO - 'XDG_SESSION_ID': 'c1',
[task 2020-02-19T13:20:47.196Z] 13:20:47 INFO - 'XMODIFIERS': '@im=ibus',
[task 2020-02-19T13:20:47.196Z] 13:20:47 INFO - '': '/usr/local/bin/generic-worker'}
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Comment 1•4 years ago
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This started to permafail since Bug 1615174 landed here: https://treeherder.mozilla.org/#/jobs?repo=autoland&resultStatus=success%2Cpending%2Crunning%2Ctestfailed%2Cbusted%2Cexception&searchStr=linux%2Cx64%2Cquantumrender%2Cshippable%2Copt%2Ctalos%2Cperformance%2Ctests%2Cwith%2Cfission%2Cenabled%2Ctest-linux64-shippable-qr%2Fopt-talos-tabswitch-fis-e10s%2Ct-fis%28tabswitch%29&tochange=1effb11e8e178a9b1f25ba171f4d52f857ebb713&fromchange=1d24a1f7cf649addb2aa2f4e76edf616cf40fc93&selectedJob=289529031
glandium, could you please take a look over it?
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Comment 2•4 years ago
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This is an interesting one. So what happened in bug 1615174 is that we dropped the number of open files processes can hold, from a ridiculous 1M to a more reasonable 1024. We could raise it again for this specific job (the patch for bug 1615174 allows it rather than a backout), but it has to be noted that 1M was also unrealistic for a typical desktop Linux, where the default value is usually 1024 too. Which implies this test would equally fail if run locally on a developer's machine, and that the equivalent workload would equally fail on a real user machine (tabhoarders?).
So my question here would be, should we paper over this, or actually fix this? My guess would be the latter, but maybe also the former while the latter is being worked on.
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Comment 3•4 years ago
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Is 1k reasonable for the hard limit? I thought the worst we had to deal with was 4k (or maybe 2k?).
It would help if we could see what the other fds are; in principle it wouldn't be too hard to hook into some of the common places where fd allocation fails (missing attached fds in IPC; maybe the Linux sandbox file broker; what else?) and dump fd info to stderr.
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Comment 4•4 years ago
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Is 1k reasonable for the hard limit?
In fact, setting the hard limit is probably too strict. Turns out Firefox likes to tweak its soft limit, and the hard limit probably prevents that. Downgrading the soft limit is enough for what bug 1615174 was doing.
I've attached a patch to bug 1616790 to avoid touching the hard limit, and also avoid changing the soft limit if it's already less than 1024 (which is apparently the case on macOS). I think it will also fix this issue.
| Comment hidden (Intermittent Failures Robot) |
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Updated•4 years ago
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Comment 6•4 years ago
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https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.
Description
•