I started Firefox from a command window and got the following output when I tried to load the game.

I am having a problem loading a Facebook game. It starts loading and at about 12% loaded Firefox crashes. There is no Crash Reporter dialog so I can submit a report. I started Firefox from a command window and got the following output when I tried to load the game. firefox -P Carol -no-remote ATTENTION: default value of option force_s3tc_enable overridden by environment. Vector smash protection is enabled. Failed to open VDPAU backend libvdpau_va_gl.so: cannot open shared object file: No such file or directory [NPAPI 610] ###!!! ABORT: Aborting on channel error.: file /builddir/build/BUILD/firefox-50.1.0/firefox-50.1.0/ipc/glue/MessageChannel.cpp, line 2056 [NPAPI 610] ###!!! ABORT: Aborting on channel error.: file /builddir/build/BUILD/firefox-50.1.0/firefox-50.1.0/ipc/glue/MessageChannel.cpp, line 2056 Segmentation fault (core dumped) Here is the Troubls shooting data from Firefox Application Basics ------------------ Name: Firefox Version: 50.1.0 Build ID: 20161213225041 User Agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0 OS: Linux 4.7.5-100.fc23.x86_64 Multiprocess Windows: 0/1 (Disabled) Safe Mode: false Extensions ---------- Name: Multi-process staged rollout Version: 1.5 Enabled: true ID: e10srollout@mozilla.org Name: Pocket Version: 1.0.5 Enabled: true ID: firefox@getpocket.com Name: Web Compat Version: 1.0 Enabled: true ID: webcompat@mozilla.org Name: Facebook Ads Block Version: 1.0.1-signed.1-signed Enabled: false ID: jid1-CGxMej0nDJTjwQ@jetpack Name: User Agent Switcher Version: 0.7.3.1-signed.1-signed Enabled: false ID: {e968fc70-8f95-4ab9-9e79-304de2a71ee1} Name: YouTube™ AdBlock Version: 0.1.3 Enabled: false ID: jid1-w4wG5nJhx4LJZr@jetpack Graphics -------- Features Compositing: Basic Asynchronous Pan/Zoom: none WebGL Renderer: Intel Open Source Technology Center -- Mesa DRI Intel(R) Haswell Desktop WebGL2 Renderer: (no info) Hardware H264 Decoding: No Audio Backend: pulse GPU #1 Active: Yes Description: Intel Open Source Technology Center -- Mesa DRI Intel(R) Haswell Desktop Vendor ID: Intel Open Source Technology Center Device ID: Mesa DRI Intel(R) Haswell Desktop Driver Version: 3.0 Mesa 11.1.0 (git-525f3c2) Diagnostics AzureCanvasAccelerated: 0 AzureCanvasBackend: skia AzureContentBackend: cairo AzureFallbackCanvasBackend: none CairoUseXRender: 0 Decision Log HW_COMPOSITING: blocked by default: Acceleration blocked by platform OPENGL_COMPOSITING: unavailable by default: Hardware compositing is disabled Important Modified Preferences ------------------------------ accessibility.blockautorefresh: true accessibility.browsewithcaret: true accessibility.typeaheadfind.flashBar: 0 browser.cache.disk.capacity: 10240 browser.cache.disk.filesystem_reported: 1 browser.cache.disk.smart_size.enabled: false browser.cache.disk.smart_size.first_run: false browser.cache.disk.smart_size.use_old_max: false browser.cache.frecency_experiment: 2 browser.display.use_document_fonts: 0 browser.download.importedFromSqlite: true browser.download.useDownloadDir: false browser.link.open_newwindow: 2 browser.places.importBookmarksHTML: false browser.places.smartBookmarksVersion: 8 browser.search.update: false browser.sessionstore.upgradeBackup.latestBuildID: 20161213225041 browser.startup.homepage: https://apps.facebook.com/gourmetranch/?ref=bookmarks&count=0 browser.startup.homepage_override.buildID: 20161213225041 browser.startup.homepage_override.mstone: 50.1.0 browser.tabs.onTop: false browser.urlbar.daysBeforeHidingSuggestionsPrompt: 0 browser.urlbar.lastSuggestionsPromptDate: 20160825 dom.apps.lastUpdate.buildID: 20160919122325 dom.apps.lastUpdate.mstone: 49.0 dom.apps.reset-permissions: true dom.disable_open_during_load: false dom.mozApps.used: true dom.push.userAgentID: 3863541486154b5e84b6b698314eb6ce dom.w3c_touch_events.expose: false extensions.lastAppVersion: 50.1.0 font.internaluseonly.changed: false font.name.serif.x-western: Century Schoolbook L font.size.variable.x-western: 12 general.autoScroll: true gfx.blacklist.suggested-driver-version: <Anything with EXT_texture_from_pixmap support> gfx.crash-guard.glcontext.appVersion: 45.0.2 gfx.crash-guard.glcontext.deviceID: Mesa DRI Intel(R) Haswell Desktop gfx.crash-guard.glcontext.driverVersion: 3.0 Mesa 11.1.0 (git-525f3c2) gfx.crash-guard.status.glcontext: 2 media.autoplay.enabled: false media.gmp-gmpopenh264.abi: x86_64-gcc3 media.gmp-gmpopenh264.lastUpdate: 1471572195 media.gmp-gmpopenh264.version: 1.6 media.gmp-manager.buildID: 20161213225041 media.gmp-manager.lastCheck: 1483245060 media.gmp.storage.version.observed: 1 media.webrtc.debug.aec_log_dir: /tmp media.webrtc.debug.log_file: /tmp/WebRTC.log network.cookie.prefsMigrated: true network.predictor.cleaned-up: true places.database.lastMaintenance: 1482712022 places.history.expiration.transient_current_max_pages: 96495 plugin.disable_full_page_plugin_for_types: application/pdf plugin.expose_full_path: true plugin.importedState: true plugin.soname.list: print.print_bgcolor: false ( Bunch of lines removed ) print.tmp.printerfeatures.MFC240C.supports_spoolercommand_change: false privacy.donottrackheader.enabled: true privacy.sanitize.migrateClearSavedPwdsOnExit: true privacy.sanitize.migrateFx3Prefs: true privacy.sanitize.timeSpan: 0 security.warn_viewing_mixed: false services.sync.lastSyncReassigned: true storage.vacuum.last.index: 1 storage.vacuum.last.places.sqlite: 1482087327 toolkit.startup.recent_crashes: 2 Important Locked Preferences ---------------------------- Places Database --------------- JavaScript ---------- Incremental GC: true Accessibility ------------- Activated: false Prevent Accessibility: 0 Library Versions ---------------- NSPR Expected minimum version: 4.13 Version in use: 4.13 NSS Expected minimum version: 3.27 Version in use: 3.27 NSSSMIME Expected minimum version: 3.27 Version in use: 3.27 NSSSSL Expected minimum version: 3.27 Version in use: 3.27 NSSUTIL Expected minimum version: 3.27 Version in use: 3.27 Experimental Features --------------------- Sandbox ------- Seccomp-BPF (System Call Filtering): true Seccomp Thread Synchronization: true User Namespaces: true Media Plugin Sandboxing: true