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Firefox 87 on Linux Mint 20.1 opens nothing, including about: and local files

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Hello!

I've upgraded my PC to Mint 20.1 and applied the latest upgrade to Firefox 87 also. Prior to these last upgrades I could use Firefox, ie after upgrade to Mint 20.1 Firefox worked then, after applying the latest upgrades in the Mint Upgrade Manager, including a Firefox one, it did not.

Now Firefox will not open any pages anywhere. This includes the about:preferences page (thus obviating almost all advice I've seen) and even a local two-line "Hello world" HTML page in my local Documents directory.

Nothing displays at all, not even an address in the address bar (unless I type one in but that makes no difference). See the attached, unexciting, screenshot. Things I've tried already:

  • Refreshing Firefox
  • Restarting with add-ins disabled
  • Clearing the cache
  • Copying over a profile into the .Mozilla folder from a version that worked before the upgrade
  • Deleting and reinstalling from scratch
  • Trying the first four items again on the fresh reinstall
  • Installing V85 (which works on my laptop)
  • Trying the first four items yet again on V85
  • Installing V84, which was the version prior to the upgrade on my PC
  • Going back to V87 fresh then re-starting Linux in safe mode and trying again
  • Looking at the traffic in Wireshark (didn't really help, that one)
  • Shouting at the screen (was even less helpful than Wireshark)

In no case is there any change in behaviour. The only thing that will display is the "troubleshooting" page and I attach here the text from that.

Am I the only person to have experienced this lately? Similar reports for much older versions exists but they're mostly for Windows so no use to me.

So -- can anyone suggest anything? Bear in mind I can't get to any about: pages nor do any web developer options work.

All the best

AxS

Hello! I've upgraded my PC to Mint 20.1 and applied the latest upgrade to Firefox 87 also. Prior to these last upgrades I could use Firefox, ie after upgrade to Mint 20.1 Firefox worked then, after applying the latest upgrades in the Mint Upgrade Manager, including a Firefox one, it did not. Now Firefox will not open any pages anywhere. This includes the about:preferences page (thus obviating almost all advice I've seen) and even a local two-line "Hello world" HTML page in my local Documents directory. Nothing displays at all, not even an address in the address bar (unless I type one in but that makes no difference). See the attached, unexciting, screenshot. Things I've tried already: * Refreshing Firefox * Restarting with add-ins disabled * Clearing the cache * Copying over a profile into the .Mozilla folder from a version that worked before the upgrade * Deleting and reinstalling from scratch * Trying the first four items again on the fresh reinstall * Installing V85 (which works on my laptop) * Trying the first four items yet again on V85 * Installing V84, which was the version prior to the upgrade on my PC * Going back to V87 fresh then re-starting Linux in safe mode and trying again * Looking at the traffic in Wireshark (didn't really help, that one) * Shouting at the screen (was even less helpful than Wireshark) In no case is there any change in behaviour. The only thing that will display is the "troubleshooting" page and I attach here the text from that. Am I the only person to have experienced this lately? Similar reports for much older versions exists but they're mostly for Windows so no use to me. So -- can anyone suggest anything? Bear in mind I can't get to any about: pages nor do any web developer options work. All the best AxS
Attached screenshots

All Replies (3)

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Sorry, the troubleshooting info did not attach for some reason and it's too long for this message box. Raw data as best I can:

{

 "application": {
   "name": "Firefox",
   "osVersion": "Linux 5.4.0-70-generic #78-Ubuntu SMP Fri Mar 19 13:29:52 UTC 2021",
   "version": "87.0",
   "buildID": "20210318103112",
   "distributionID": "mint",
   "userAgent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:87.0) Gecko/20100101 Firefox/87.0",
   "safeMode": false,
   "supportURL": "https://support.mozilla.org/1/firefox/87.0/Linux/en-GB/",
   "numTotalWindows": 1,
   "numFissionWindows": 0,
   "numRemoteWindows": 1,
   "fissionAutoStart": false,
   "fissionDecisionStatus": "disabledByDefault",
   "remoteAutoStart": true,
   "policiesStatus": 0,
   "keyLocationServiceGoogleFound": true,
   "keySafebrowsingGoogleFound": true,
   "keyMozillaFound": false
 },
 "securitySoftware": {
   "registeredAntiVirus": "",
   "registeredAntiSpyware": "",
   "registeredFirewall": ""
 },
 "processes": {
   "remoteTypes": {
     "web": 2,
     "extension": 1,
     "privilegedabout": 1
   },
   "maxWebContentProcesses": 8
 },
 "environmentVariables": {
   "DISPLAY": ":0",
   "MOZ_APP_LAUNCHER": "/usr/bin/firefox",
   "MOZ_ASSUME_USER_NS": "1",
   "MOZ_CRASHREPORTER_EVENTS_DIRECTORY": "/home/arcoddath/.mozilla/firefox/pppww8pi.default-release/crashes/events",
   "MOZ_CRASHREPORTER_RESTART_ARG_0": "/usr/bin/firefox",
   "MOZ_CRASHREPORTER_RESTART_ARG_1": "",
   "MOZ_CRASHREPORTER_DATA_DIRECTORY": "/home/arcoddath/.mozilla/firefox/Crash Reports",
   "MOZ_CRASHREPORTER_PING_DIRECTORY": "/home/arcoddath/.mozilla/firefox/Pending Pings",
   "MOZ_CRASHREPORTER_STRINGS_OVERRIDE": "/usr/lib/firefox/browser/crashreporter-override.ini",
   "MOZ_LAUNCHED_CHILD": "",
   "XRE_PROFILE_PATH": "",
   "XRE_PROFILE_LOCAL_PATH": "",
   "XRE_START_OFFLINE": "",
   "XRE_BINARY_PATH": "",
   "XRE_RESTARTED_BY_PROFILE_MANAGER": ""
 },
 "modifiedPreferences": {
   "browser.contentblocking.category": "standard",
   "browser.sessionstore.upgradeBackup.latestBuildID": "20210318103112",
   "browser.startup.homepage_override.buildID": "20210318103112",
   "browser.startup.homepage_override.mstone": "87.0",
   "browser.urlbar.placeholderName": "DuckDuckGo",
   "doh-rollout.balrog-migration-done": true,
   "doh-rollout.doneFirstRun": true,
   "dom.push.userAgentID": "d2a7812e6a3d4058b3158ce15a9d67fc",
   "extensions.lastAppVersion": "87.0",
   "media.gmp-gmpopenh264.abi": "x86_64-gcc3",
   "media.gmp-gmpopenh264.lastUpdate": 1617901914,
   "media.gmp-gmpopenh264.version": "1.8.1.1",
   "media.gmp.storage.version.observed": 1,
   "network.trr.blocklist_cleanup_done": true,
   "privacy.sanitize.pending": "[{\"id\":\"newtab-container\",\"itemsToClear\":[],\"options\":{}}]",
   "security.sandbox.content.tempDirSuffix": "f8979626-b847-408e-bb7f-8fd2f3159c9e",
   "security.sandbox.plugin.tempDirSuffix": "0daffd4c-04eb-409c-a4df-c05934e23147"
 },
 "lockedPreferences": {
   "fission.autostart.session": false
 },
 "printingPreferences": {},
 "media": {
   "currentAudioBackend": "pulse-rust",
   "currentMaxAudioChannels": 2,
   "currentPreferredSampleRate": 44100,
   "audioOutputDevices": [
     {
       "name": "Built-in Audio Analogue Stereo",
       "groupId": "/devices/pci0000:00/0000:00:1b.0/sound/card0",
       "vendor": "Intel Corporation",
       "type": 2,
       "state": 2,
       "preferred": 15,
       "supportedFormat": 12336,
       "defaultFormat": 16,
       "maxChannels": 2,
       "defaultRate": 44100,
       "maxRate": 384000,
       "minRate": 1,
       "maxLatency": 0,
       "minLatency": 0
     }
   ],
   "audioInputDevices": [
     {
       "name": "HD Webcam B910 Analogue Stereo",
       "groupId": "/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.0/sound/card2",
       "vendor": "Logitech, Inc.",
       "type": 1,
       "state": 2,
       "preferred": 15,
       "supportedFormat": 12336,
       "defaultFormat": 16,
       "maxChannels": 2,
       "defaultRate": 32000,
       "maxRate": 384000,
       "minRate": 1,
       "maxLatency": 0,
       "minLatency": 0
     },
     {
       "name": "Monitor of Built-in Audio Analogue Stereo",
       "groupId": "/devices/pci0000:00/0000:00:1b.0/sound/card0",
       "vendor": "Intel Corporation",
       "type": 1,
       "state": 2,
       "preferred": 0,
       "supportedFormat": 12336,
       "defaultFormat": 16,
       "maxChannels": 2,
       "defaultRate": 44100,
       "maxRate": 384000,
       "minRate": 1,
       "maxLatency": 0,
       "minLatency": 0
     }
   ]
 },
 "accessibility": {
   "isActive": false,
   "forceDisabled": 0,
   "handlerUsed": false,
   "instantiator": ""
 },
 "startupCache": {
   "DiskCachePath": "/home/arcoddath/.cache/mozilla/firefox/pppww8pi.default-release/startupCache/startupCache.8.little",
   "IgnoreDiskCache": false,
   "FoundDiskCacheOnInit": true,
   "WroteToDiskCache": false
 },
 "libraryVersions": {
   "NSPR": {
     "minVersion": "4.29",
     "version": "4.29"
   },
   "NSS": {
     "minVersion": "3.62",
     "version": "3.62"
   },
   "NSSUTIL": {
     "minVersion": "3.62",
     "version": "3.62"
   },
   "NSSSSL": {
     "minVersion": "3.62",
     "version": "3.62"
   },
   "NSSSMIME": {
     "minVersion": "3.62",
     "version": "3.62"
   }
 },
 "userJS": {
   "exists": false
 },
 "intl": {
   "localeService": {
     "requested": [
       "en-GB"
     ],
     "available": [
       "en-US",
       "en-CA",
       "en-GB"
     ],
     "supported": [
       "en-GB",
       "en-US",
       "en-CA"
     ],
     "regionalPrefs": [
       "en-GB"
     ],
     "defaultLocale": "en-US"
   },
   "osPrefs": {
     "systemLocales": [
       "en-GB"
     ],
     "regionalPrefsLocales": [
       "en-GB"
     ]
   }
 },
 "crashes": {
   "submitted": [],
   "pending": 0
 },
 "sandbox": {
   "hasSeccompBPF": true,
   "hasSeccompTSync": true,
   "hasPrivilegedUserNamespaces": true,
   "hasUserNamespaces": true,
   "canSandboxContent": true,
   "canSandboxMedia": true,
   "syscallLog": [],
   "contentSandboxLevel": 4,
   "effectiveContentSandboxLevel": 4
 },
 "remoteAgent": {
   "listening": false,
   "url": ""
 },
 "graphics": {
   "numTotalWindows": 1,
   "numAcceleratedWindows": 0,
   "windowLayerManagerType": "Basic",
   "windowLayerManagerRemote": true,
   "windowUsingAdvancedLayers": false,
   "numAcceleratedWindowsMessage": {
     "key": ""
   },
   "adapterDescription": "GeForce GT 720/PCIe/SSE2",
   "adapterVendorID": "0x10de",
   "adapterDeviceID": "0x1286",
   "adapterRAM": 0,
   "adapterDrivers": "",
   "driverVendor": "nvidia/unknown",
   "driverVersion": "460.39.0.0",
   "driverDate": "",
   "adapterVendorID2": "",
   "adapterDeviceID2": "",
   "isGPU2Active": false,
   "usesTiling": false,
   "contentUsesTiling": false,
   "offMainThreadPaintEnabled": true,
   "offMainThreadPaintWorkerCount": 4,
   "targetFrameRate": 60,
   "windowProtocol": "x11",
   "desktopEnvironment": "mate",
   "webgl1Renderer": "NVIDIA Corporation -- GeForce GT 720/PCIe/SSE2",
   "webgl1Version": "4.6.0 NVIDIA 460.39",
   "webgl1DriverExtensions": "GL_AMD_multi_draw_indirect GL_AMD_seamless_cubemap_per_texture GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_bindless_texture GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_color_buffer_float GL_ARB_compatibility GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_compute_shader GL_ARB_compute_variable_group_size GL_ARB_conditional_render_inverted GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_ES2_compatibility GL_ARB_ES3_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_2_compatibility GL_ARB_explicit_attrib_location GL_ARB_explicit_uniform_location GL_ARB_fragment_coord_conventions GL_ARB_fragment_layer_viewport GL_ARB_fragment_program GL_ARB_fragment_program_shadow GL_ARB_fragment_shader GL_ARB_framebuffer_no_attachments GL_ARB_framebuffer_object GL_ARB_framebuffer_sRGB GL_ARB_geometry_shader4 GL_ARB_get_program_binary GL_ARB_get_texture_sub_image GL_ARB_gl_spirv GL_ARB_gpu_shader5 GL_ARB_gpu_shader_fp64 GL_ARB_gpu_shader_int64 GL_ARB_half_float_pixel GL_ARB_half_float_vertex GL_ARB_imaging GL_ARB_indirect_parameters GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_internalformat_query2 GL_ARB_invalidate_subdata GL_ARB_map_buffer_alignment GL_ARB_map_buffer_range GL_ARB_multi_bind GL_ARB_multi_draw_indirect GL_ARB_multisample GL_ARB_multitexture GL_ARB_occlusion_query GL_ARB_occlusion_query2 GL_ARB_parallel_shader_compile GL_ARB_pipeline_statistics_query GL_ARB_pixel_buffer_object GL_ARB_point_parameters GL_ARB_point_sprite GL_ARB_polygon_offset_clamp GL_ARB_program_interface_query GL_ARB_provoking_vertex GL_ARB_query_buffer_object GL_ARB_robust_buffer_access_behavior GL_ARB_robustness GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_seamless_cube_map
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Chosen Solution

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Brilliant -- we use the ICA Client as part of our work from home solution here and I'd updated it as well.

Thank you for the swift solution.

AxS