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Picture in Picture lock up computer

  • 4 replies
  • 1 has this problem
  • 3 views
  • Last reply by jonzn4SUSE

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Picture in Picture is very unreliable on my system. Sometimes it works fine, more often it pops out a black square with no video in it, occasionally it locks up the whole computer. Basic system info; Dell Inspiron 620, 3Ghz 4-core, *GB RAM Integrated video Linux 64 bit Mint 18.3 Kernel 4.15.0-142-generic Firefox v 88.0 (yes I know there is a newer one, but I cannot upgrade via Mint software update right now. In any case this has been going on since PnP was rolled out)

More system Info: {

 "application": {
   "name": "Firefox",
   "osVersion": "Linux 4.15.0-142-generic #146~16.04.1-Ubuntu SMP Tue Apr 13 09:27:15 UTC 2021",
   "version": "88.0",
   "buildID": "20210415204500",
   "distributionID": "mint",
   "userAgent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:88.0) Gecko/20100101 Firefox/88.0",
   "safeMode": false,
   "supportURL": "https://support.mozilla.org/1/firefox/88.0/Linux/en-US/",
   "numTotalWindows": 2,
   "numFissionWindows": 0,
   "numRemoteWindows": 2,
   "fissionAutoStart": false,
   "fissionDecisionStatus": "disabledByDefault",
   "remoteAutoStart": true,
   "policiesStatus": 0,
   "keyLocationServiceGoogleFound": true,
   "keySafebrowsingGoogleFound": true,
   "keyMozillaFound": false
 },
 "securitySoftware": {
   "registeredAntiVirus": "",
   "registeredAntiSpyware": "",
   "registeredFirewall": ""
 },
 "processes": {
   "remoteTypes": {
     "web": 3,
     "extension": 1,
     "prealloc": 1
   },
   "maxWebContentProcesses": 8
 },
 "environmentVariables": {
   "DISPLAY": ":0",
   "MOZ_APP_LAUNCHER": "/usr/bin/firefox",
   "MOZ_ASSUME_USER_NS": "1",
   "MOZ_CRASHREPORTER_EVENTS_DIRECTORY": "/home/fjs/.mozilla/firefox/mwad0hks.default/crashes/events",
   "MOZ_CRASHREPORTER_RESTART_ARG_0": "/usr/bin/firefox",
   "MOZ_CRASHREPORTER_RESTART_ARG_1": "",
   "MOZ_CRASHREPORTER_DATA_DIRECTORY": "/home/fjs/.mozilla/firefox/Crash Reports",
   "MOZ_CRASHREPORTER_PING_DIRECTORY": "/home/fjs/.mozilla/firefox/Pending Pings",
   "MOZ_CRASHREPORTER_STRINGS_OVERRIDE": "/usr/lib/firefox/browser/crashreporter-override.ini",
   "MOZ_LAUNCHED_CHILD": "",
   "XRE_PROFILE_PATH": "",
   "XRE_PROFILE_LOCAL_PATH": "",
   "XRE_START_OFFLINE": "",
   "XRE_BINARY_PATH": "",
   "XRE_RESTARTED_BY_PROFILE_MANAGER": ""
 },
 "modifiedPreferences": {
   "accessibility.force_disabled": 1,
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   "browser.cache.disk.amount_written": 360516,
   "browser.cache.disk.capacity": 153600,
   "browser.cache.disk.filesystem_reported": 1,
   "browser.cache.disk.smart_size.first_run": false,
   "browser.cache.disk.telemetry_report_ID": 74,
   "browser.cache.frecency_experiment": 3,
   "browser.contentblocking.category": "strict",
   "browser.display.use_document_fonts": 0,
   "browser.download.useDownloadDir": false,
   "browser.places.smartBookmarksVersion": 8,
   "browser.search.region": "US",
   "browser.search.suggest.enabled": false,
   "browser.sessionstore.upgradeBackup.latestBuildID": "20210318103112",
   "browser.startup.homepage": "about:blank",
   "browser.startup.homepage_override.buildID": "20210415204500",
   "browser.startup.homepage_override.mstone": "88.0",
   "browser.tabs.insertAfterCurrent": true,
   "browser.tabs.remote.autostart.2": true,
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   "browser.urlbar.placeholderName": "Startpage",
   "browser.urlbar.resultBuckets": "{\"children\":[{\"maxResultCount\":1,\"children\":[{\"group\":\"heuristicTest\"},{\"group\":\"heuristicExtension\"},{\"group\":\"heuristicSearchTip\"},{\"group\":\"heuristicOmnibox\"},{\"group\":\"heuristicUnifiedComplete\"},{\"group\":\"heuristicAutofill\"},{\"group\":\"heuristicTokenAliasEngine\"},{\"group\":\"heuristicFallback\"}]},{\"group\":\"extension\",\"maxResultCount\":5},{\"flexChildren\":true,\"children\":[{\"group\":\"general\",\"flex\":2},{\"flexChildren\":true,\"children\":[{\"flex\":2,\"group\":\"formHistory\"},{\"flex\":4,\"group\":\"remoteSuggestion\"},{\"flex\":0,\"group\":\"tailSuggestion\"}],\"flex\":1}]}]}",
   "browser.urlbar.showSearchSuggestionsFirst": false,
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   "browser.urlbar.timesBeforeHidingSuggestionsHint": 0,
   "browser.urlbar.tipShownCount.tabToSearch": 29,
   "browser.urlbar.update1": false,
   "doh-rollout.balrog-migration-done": true,
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   "dom.disable_open_during_load": false,
   "dom.forms.autocomplete.formautofill": true,
   "dom.ipc.processCount.web": 4,
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   "extensions.formautofill.creditCards.enabled": false,
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   "font.size.fixed.x-western": 16,
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   "media.gmp-gmpopenh264.abi": "x86_64-gcc3",
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   "media.gmp-widevinecdm.version": "4.10.2209.1",
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   "media.videocontrols.picture-in-picture.video-toggle.has-used": true,
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   "network.dns.disablePrefetch": true,
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   "network.predictor.enabled": false,
   "network.prefetch-next": false,
   "network.trr.blocklist_cleanup_done": true,
   "network.trr.bootstrapAddress": "9.9.9.9",
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   "plugin.disable_full_page_plugin_for_types": "application/pdf",
   "plugin.flash.lastmod_hi": 373,
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   "privacy.sanitize.pending": "[{\"id\":\"shutdown\",\"itemsToClear\":[\"cache\",\"history\",\"formdata\",\"downloads\",\"sessions\"],\"options\":{}},{\"id\":\"newtab-container\",\"itemsToClear\":[],\"options\":{}}]",
   "privacy.annotate_channels.strict_list.enabled": true,
   "privacy.clearOnShutdown.cookies": false,
   "privacy.cpd.offlineApps": true,
   "privacy.cpd.siteSettings": true,
   "privacy.history.custom": true,
   "privacy.purge_trackers.date_in_cookie_database": "0",
   "privacy.purge_trackers.last_purge": "1604357526448",
   "privacy.sanitize.sanitizeOnShutdown": true,
   "privacy.socialtracking.notification.counter": 1,
   "privacy.socialtracking.notification.enabled": false,
   "privacy.socialtracking.notification.lastShown": "1572132333541",
   "privacy.trackingprotection.enabled": true,
   "privacy.trackingprotection.introCount": 20,
   "privacy.trackingprotection.socialtracking.enabled": true,
   "privacy.userContext.enabled": true,
   "privacy.userContext.extension": "{95322c08-05ff-4f3c-85fd-8ceb821988dd}",
   "privacy.userContext.longPressBehavior": 2,
   "privacy.userContext.ui.enabled": true,
   "security.remote_settings.crlite_filters.checked": 1624806217,
   "security.remote_settings.intermediates.checked": 1624804418,
   "security.sandbox.content.tempDirSuffix": "c18e78ce-e063-4385-85c6-c4c5645ac0ce",
   "security.sandbox.plugin.tempDirSuffix": "adcf6eb9-d181-4393-98ff-013827a28264",
   "security.ssl.errorReporting.automatic": true,
   "services.sync.declinedEngines": "passwords,tabs,forms,history,addons,prefs",
   "services.sync.lastPing": 1624804421,
   "services.sync.lastSync": "Sun Jun 27 2021 11:18:44 GMT-0600 (Mountain Daylight Time)",
   "services.sync.engine.addons": false,
   "services.sync.engine.addresses": true,
   "services.sync.engine.addresses.available": true,
   "services.sync.engine.bookmarks.validation.lastTime": 1540652190,
   "services.sync.engine.creditcards": true,
   "services.sync.engine.history": false,
   "services.sync.engine.passwords": false,
   "services.sync.engine.prefs": false,
   "services.sync.engine.prefs.modified": false,
   "services.sync.engine.tabs": false,
   "signon.importedFromSqlite": true,
   "signon.rememberSignons": false,
   "signon.usage.hasEntry": true,
   "storage.vacuum.last.index": 1,
   "storage.vacuum.last.places.sqlite": 1624120411
 },
 "lockedPreferences": {
   "fission.autostart.session": false
 },
 "printingPreferences": {
   "print.print_bgcolor": false,
   "print.print_bgimages": false,
   "print.print_duplex": 0,
   "print.print_evenpages": true,
   "print.print_margin_bottom": "0.5",
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   "print.print_oddpages": true,
   "print.print_orientation": 0,
   "print.print_page_delay": 50,
   "print.print_paper_data": 0,
   "print.print_paper_height": " 11.00",
   "print.print_paper_name": "na_letter",
   "print.print_paper_size_unit": 0,
   "print.print_paper_width": "  8.50",
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   "print.print_shrink_to_fit": true,
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   "print.print_unwriteable_margin_bottom": 56,
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   "print_printer": "HLL2320D"
 },
 "media": {
   "currentAudioBackend": "pulse-rust",
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   "currentPreferredSampleRate": 44100,
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   "audioInputDevices": [
     {
       "name": "Monitor of Built-in Audio Analog Stereo",
       "groupId": "/devices/pci0000:00/0000:00:1b.0/sound/card0",
       "vendor": "Intel Corporation",
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     },
     {
       "name": "Built-in Audio Analog Stereo",
       "groupId": "/devices/pci0000:00/0000:00:1b.0/sound/card0",
       "vendor": "Intel Corporation",
       "type": 1,
       "state": 1,
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       "maxChannels": 2,
       "defaultRate": 44100,
       "maxRate": 384000,
       "minRate": 1,
       "maxLatency": 0,
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     }
   ]
 },
 "accessibility": {
   "isActive": false,
   "forceDisabled": 1,
   "handlerUsed": false,
   "instantiator": ""
 },
 "startupCache": {
   "DiskCachePath": "/home/fjs/.cache/mozilla/firefox/mwad0hks.default/startupCache/startupCache.8.little",
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   "FoundDiskCacheOnInit": true,
   "WroteToDiskCache": false
 },
 "libraryVersions": {
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     "version": "4.30"
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     "version": "3.63.1"
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 },
 "userJS": {
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 },
 "intl": {
   "localeService": {
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     "available": [
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     "supported": [
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     "regionalPrefs": [
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     "defaultLocale": "en-US"
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   "osPrefs": {
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     "regionalPrefsLocales": [
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   }
 },
 "crashes": {
   "submitted": [],
   "pending": 0
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 "sandbox": {
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   "canSandboxMedia": true,
   "syscallLog": [],
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 "remoteAgent": {
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Picture in Picture is very unreliable on my system. Sometimes it works fine, more often it pops out a black square with no video in it, occasionally it locks up the whole computer. Basic system info; Dell Inspiron 620, 3Ghz 4-core, *GB RAM Integrated video Linux 64 bit Mint 18.3 Kernel 4.15.0-142-generic Firefox v 88.0 (yes I know there is a newer one, but I cannot upgrade via Mint software update right now. 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All Replies (4)

more options

Can you provide steps and website to replicate the issue?

KDE or Gnome?

The following examples starts firefox and stores the strace output(o option)to firefox_txt file with time stamps(t option)on each line. You can then check the output for errors.

The screenshot is an example to trace firefox via the process id.

strace -to firefox_txt firefox

Modified by jonzn4SUSE

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Sorry, I thought the included system output would show the desktop. It is MATE: mate-desktop 1.18.0-1+sonya amd64 Library with common API for various MATE modules It is running on Linux Mint 18.3 I would attach the requested strace output but I see no way to do so here. I hope I did it correctly, I had to modify your example slightly to get it to work: strace -o firefox_logs -t -p 1976

I did not get it to lockup the computer this time, but the PinP window was a black rectangle, and could be dragged up the screen on and on. I did get it to show the video once, but many other trys just resulted in the bIack rectangle. I will attach a screenshot. Thank you for your help.

more options

Not thinking, maybe this link will work for the strace ouput: https://drive.google.com/file/d/1T8sBWSWjZ54Cs4-wr1SFJ4naJQ9m13eK/view?usp=sharing

more options

It works for me. see screenshot Try updating to the current version and verify that your ffmpegs and other dependencies are up to date.