I have 55.0.2+build1-0ubuntu0.16.04.1 but am still seeing hangs quite similar to this.
I've been using Firefox for many years but this is the first time this has happened. The hangs are usually permanent (maybe because I just don't wait) and I have to kill the process. I use KDE Neon and am willing to provide any sort of logs that may be required for this. -- 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/1710987 Title: Since the update to 55.0.1 firefox hangs frequently with 100% cpu usage Status in firefox package in Ubuntu: Confirmed Bug description: Just received the upgrade. Unfortunately, firefox is hardly usable now. Rather frequently, CPU usage jumps up to 100% of a core, with the FF UI completely frozen. In some occasione, the hang is temporary. In others it is permanent and the application must be terminated. I suggest reverting ubuntu to FF 54 until the FF 55 issues are resolved upstream. ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: firefox 55.0.1+build2-0ubuntu0.17.04.2 ProcVersionSignature: Ubuntu 4.10.0-32.36-generic 4.10.17 Uname: Linux 4.10.0-32-generic x86_64 ApportVersion: 2.20.4-0ubuntu4.5 Architecture: amd64 BuildID: 20170814193419 CurrentDesktop: KDE Date: Wed Aug 16 00:07:52 2017 EcryptfsInUse: Yes InstallationDate: Installed on 2013-12-12 (1342 days ago) InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) SourcePackage: firefox UpgradeStatus: Upgraded to zesty on 2017-05-04 (103 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1710987/+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
