Managed to put my finger on the pattern. Had something to do with stored passwords. Tried to import stored passwords with Chromium and the same thing happened. It's probably a corrupted sqlite file. :-(
Moved away the firefox folder in .mozilla and the problem went away. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1692330 Title: firefox hangs using 100% cpu Status in firefox package in Ubuntu: New Bug description: This happens randomly, firefox just starts using 100% cpu and hangs. ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: firefox 53.0.2+build1-0ubuntu0.16.10.2 ProcVersionSignature: Ubuntu 4.8.0-52.55-generic 4.8.17 Uname: Linux 4.8.0-52-generic x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.20.3-0ubuntu8.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0p: ferdez 4600 F...m pulseaudio /dev/snd/controlC0: ferdez 4600 F.... pulseaudio BuildID: 20170509205820 Channel: Unavailable CurrentDesktop: Unity Date: Sun May 21 16:08:41 2017 DefaultProfileIncompatibleExtensions: Português Portugal Language Pack - langpack-pt...@firefox.mozilla.org English (GB) Language Pack - langpack-en...@firefox.mozilla.org English (South Africa) Language Pack - langpack-en...@firefox.mozilla.org Português Brasileiro Language Pack - langpack-pt...@firefox.mozilla.org Default - {972ce4c6-7e08-4474-a285-3208198ce6fd} DefaultProfilePlugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so DefaultProfilePrefSources: prefs.js user.js [Profile]/extensions/inspec...@mozilla.org/defaults/preferences/inspector.js ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2016-05-16 (369 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) MostRecentCrashID: bp-964d1e04-1a6d-4531-9dc1-65b032150721 Profile1Extensions: extensions.sqlite corrupt or missing Profile1IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) Profile1Locales: extensions.sqlite corrupt or missing Profile1Plugins: iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so Profile1PrefSources: prefs.js Profile1Themes: extensions.sqlite corrupt or missing Profiles: Profile0 (Default) - LastVersion=53.0.2/20170509205820 (In use) Profile1 - LastVersion=40.0.3/20150826185640 (Out of date) RunningIncompatibleAddons: True SourcePackage: firefox UpgradeStatus: Upgraded to yakkety on 2016-10-29 (203 days ago) dmi.bios.date: 10/08/2015 dmi.bios.vendor: INSYDE Corp. dmi.bios.version: 1.20 dmi.board.name: 06F4 dmi.board.vendor: FF50 dmi.board.version: Type2 - Board Version dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: OEM Chassis ManuFacturer dmi.chassis.version: OEM Chassis Version dmi.modalias: dmi:bvnINSYDECorp.:bvr1.20:bd10/08/2015:svnTOSHIBA:pnSATELLITEP50-C:pvrPSPUEE-00C008EP:rvnFF50:rn06F4:rvrType2-BoardVersion:cvnOEMChassisManuFacturer:ct10:cvrOEMChassisVersion: dmi.product.name: SATELLITE P50-C dmi.product.version: PSPUEE-00C008EP dmi.sys.vendor: TOSHIBA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1692330/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
