Already done ;) https://bugzilla.mozilla.org/show_bug.cgi?id=1665566
But it's a lot harder to reproduce it with the official build. You need to use the browser for quite some time and then try the method I mentioned. ** Bug watch added: Mozilla Bugzilla #1665566 https://bugzilla.mozilla.org/show_bug.cgi?id=1665566 -- 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/1895936 Title: firefox hangs on certain webpages Status in firefox package in Ubuntu: Incomplete Bug description: I will add this in a few minutes. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: firefox 80.0.1+build1-0ubuntu0.20.04.1 ProcVersionSignature: Ubuntu 5.4.0-47.51-generic 5.4.55 Uname: Linux 5.4.0-47-generic x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.20.11-0ubuntu27.8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: privat 1414 F.... pulseaudio BuildID: 20200831163820 CasperMD5CheckResult: skip Channel: Unavailable CurrentDesktop: KDE Date: Thu Sep 17 09:29:42 2020 DefaultProfileExtensions: extensions.sqlite corrupt or missing DefaultProfileIncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) DefaultProfileLocales: extensions.sqlite corrupt or missing DefaultProfilePrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:730 DefaultProfilePrefSources: prefs.js DefaultProfileThemes: extensions.sqlite corrupt or missing ForcedLayersAccel: False InstallationDate: Installed on 2019-09-20 (362 days ago) InstallationMedia: Kubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190919) IpRoute: default via 192.168.10.1 dev eno2 proto dhcp metric 100 169.254.0.0/16 dev eno2 scope link metric 1000 192.168.10.0/24 dev eno2 proto kernel scope link src 192.168.10.20 metric 100 Profile0Extensions: extensions.sqlite corrupt or missing Profile0IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) Profile0Locales: extensions.sqlite corrupt or missing Profile0PrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:730 Profile0PrefSources: prefs.js Profile0Themes: extensions.sqlite corrupt or missing Profiles: Profile1 (Default) - LastVersion=80.0.1/20200831163820 (In use) Profile0 - LastVersion=79.0/20200720193547 (Out of date) RunningIncompatibleAddons: False SourcePackage: firefox UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/23/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.8.1 dmi.board.name: 0CGP1G dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.8.1:bd05/23/2019:svnDellInc.:pnLatitude5591:pvr:rvnDellInc.:rn0CGP1G:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: Latitude dmi.product.name: Latitude 5591 dmi.product.sku: 0819 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1895936/+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