I can confirm this is happening after the latest Firefox update. Linux Mint 18, 4.4.0-72-generic, Firefox 54.0, Flash 26.0.0.131 (from package adobe-flashplugin)
-- 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/1698438 Title: Context3D not available! Possible reasons: wrong wmode or missing device support. Status in firefox package in Ubuntu: Confirmed Bug description: Some game sites do not work! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: firefox 54.0+build3-0ubuntu0.16.04.1 ProcVersionSignature: Ubuntu 4.4.0-79.100-generic 4.4.67 Uname: Linux 4.4.0-79-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia AddonCompatCheckDisabled: False ApportVersion: 2.20.1-0ubuntu2.6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: edson 1672 F.... pulseaudio BrokenPermissions: datareporting/archived/2017-05/1494956261284.83928511-9683-43e9-a8c3-5f2c6ce86def.main.jsonlz4 (0o600, wrong owner) saved-telemetry-pings/83928511-9683-43e9-a8c3-5f2c6ce86def (0o600, wrong owner) BuildID: 20170612122310 Channel: Unavailable CurrentDesktop: Unity Date: Fri Jun 16 15:42:37 2017 Extensions: extensions.sqlite corrupt or missing ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) InstallationDate: Installed on 2017-05-15 (31 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) IpRoute: default via 192.168.0.1 dev enp6s0 proto static metric 100 169.254.0.0/16 dev enp6s0 scope link metric 1000 192.168.0.0/24 dev enp6s0 proto kernel scope link src 192.168.0.100 metric 100 IwConfig: lo no wireless extensions. enp6s0 no wireless extensions. Locales: extensions.sqlite corrupt or missing Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so PrefSources: prefs.js ProcEnviron: LANGUAGE=pt_BR:pt:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=pt_BR.UTF-8 SHELL=/bin/bash Profiles: Profile0 (Default) - LastVersion=54.0/20170612122310 (In use) RfKill: RunningIncompatibleAddons: False SourcePackage: firefox Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/16/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1801 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: M5A88-V EVO dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1801:bd04/16/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM5A88-VEVO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1698438/+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
