Public bug reported: When I start Firefox version 56 in my console and then go to a page using Adobe Flash, I get the following errors:
/usr/lib/firefox/plugin-container: symbol lookup error: /usr/lib/firefox/libxul.so: undefined symbol: gdk_screen_get_monitor_workarea [18352] WARNING: pipe error (114): Connection reset by peer: file /build/firefox-6SoPIC/firefox-56.0+build6/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 353 /usr/lib/firefox/plugin-container: symbol lookup error: /usr/lib/firefox/libxul.so: undefined symbol: gdk_screen_get_monitor_workarea [18352] WARNING: pipe error (94): Connection reset by peer: file /build/firefox-6SoPIC/firefox-56.0+build6/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 353 /usr/lib/firefox/plugin-container: symbol lookup error: /usr/lib/firefox/libxul.so: undefined symbol: gdk_screen_get_monitor_workarea [18352] WARNING: pipe error (41): Connection reset by peer: file /build/firefox-6SoPIC/firefox-56.0+build6/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 353 Each time the problem is the same: gdk_screen_get_monitor_workarea is undefined. Gnome marked that function as deprecated, but Firefox version 55 worked just fine, whereas Firefox 56 fails with Flash. https://developer.gnome.org/gdk3/stable/GdkScreen.html#gdk-screen-get- monitor-workarea ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: firefox 56.0+build6-0ubuntu0.16.04.1 ProcVersionSignature: Ubuntu 4.4.0-96.119-generic 4.4.83 Uname: Linux 4.4.0-96-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia AddonCompatCheckDisabled: False ApportVersion: 2.20.1-0ubuntu2.10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: alexis 24733 F.... pulseaudio /dev/snd/controlC0: alexis 24733 F.... pulseaudio BuildID: 20170928135459 Channel: Unavailable CurrentDesktop: Unity Date: Mon Oct 2 17:05:32 2017 ExecutablePath: /usr/lib/firefox/firefox Extensions: extensions.sqlite corrupt or missing ForcedLayersAccel: False IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) InstallationDate: Installed on 2010-12-27 (2471 days ago) InstallationMedia: Ubuntu-Server 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.2) Locales: extensions.sqlite corrupt or missing MostRecentCrashID: bp-33216e86-e3b0-440b-a25a-2754b1171002 Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so PrefSources: prefs.js Profiles: Profile0 (Default) - LastVersion=56.0/20170928135459 (In use) RfKill: RunningIncompatibleAddons: False SourcePackage: firefox Themes: extensions.sqlite corrupt or missing UpgradeStatus: Upgraded to xenial on 2016-05-20 (500 days ago) dmi.bios.date: 09/16/2010 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F14 dmi.board.name: P55A-UD4P dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF14:bd09/16/2010:svnGigabyteTechnologyCo.,Ltd.:pnP55A-UD4P:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP55A-UD4P:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: P55A-UD4P dmi.sys.vendor: Gigabyte Technology Co., Ltd. ** Affects: firefox (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1720908 Title: Firefox cannot load Flash because of libxul broken dependency To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1720908/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs