Audio not working on Cisco WebEx
Categories
(Core :: WebRTC: Audio/Video, defect, P1)
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()
People
(Reporter: marco, Unassigned)
References
Details
(Whiteboard: [wfh])
I can see the video, but I can't hear anything.
I noticed there's a bug about it not working after putting the tab to the background (bug 1416281), I've made sure I can reproduce also when the tab is always in the foreground.
Comment 1•4 years ago
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Hi Marco, Thank you for the bug report. I've just checked now and audio is working for me on Linux, OS X and Windows, so it would be helpful if you can provide some more detailed steps to reproduce as well as information on the system on which you're running into problems. From my testing, it looks like webex sets up completely separate connections for audio and video, so it is conceivable that a video connection could succeed while the audio connection fails. Thanks!
Reporter | ||
Comment 2•4 years ago
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Unfortunately this is a private instance of Cisco WebEx, so I can't give you access and I can only access it at specific times, but I was hoping it'd be reproducible on other instances too.
Is there a public one I can test to see if I can reproduce there too?
I'm on Linux (kernel 5.6.0, Debian bullseye).
Here's the media section from my about:support:
"media": {
"currentAudioBackend": "pulse-rust",
"currentMaxAudioChannels": 2,
"currentPreferredSampleRate": 44100,
"audioOutputDevices": [
{
"name": "Audio interno Stereo analogico",
"groupId": "/devices/pci0000:00/0000:00:1f.3/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": "Audio interno Stereo analogico",
"groupId": "/devices/pci0000:00/0000:00:1f.3/sound/card0",
"vendor": "Intel Corporation",
"type": 1,
"state": 2,
"preferred": 15,
"supportedFormat": 12336,
"defaultFormat": 16,
"maxChannels": 2,
"defaultRate": 44100,
"maxRate": 384000,
"minRate": 1,
"maxLatency": 0,
"minLatency": 0
},
{
"name": "Monitor of Audio interno Stereo analogico",
"groupId": "/devices/pci0000:00/0000:00:1f.3/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
}
]
},
What other information about the system could be useful to know?
Comment 3•4 years ago
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Hi Marco,
I signed up for a free account on https://www.webex.com/ and used that for testing. Once you have an account, you can start a meeting and join from a second computer using a fake email address. It would be interesting to see if the problem reproduces for you on a non-private webex instance. I'm assuming that audio is working properly for you on other sites like meet.google.com or whereby.com?
The other thing that would be helpful would be the contents of about:webrtc from when this problem reproduces. When I was testing yesterday I ended up with a large number of separate connections in it, so it might be tedious to go through and find the relevant information. It looked like a bunch of separate video and audio connections. If you can find one of each, that would be helpful (look for m=audio and m=video in the SDP).
Thanks!
Reporter | ||
Comment 4•4 years ago
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Unfortunately I coulnd't reproduce with a "normal" meeting. I'll try again with the private instance (it's using WebEx Training) if I get a chance.
Reporter | ||
Comment 5•4 years ago
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Mmmh, I wonder if this isn't bug 1545144 comment 20.
Comment 6•4 years ago
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(In reply to Marco Castelluccio [:marco] from comment #5)
Mmmh, I wonder if this isn't bug 1545144 comment 20.
Nils, do we know how to tell if the webex version has the fix mentioned in the above comment?
Updated•4 years ago
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I've just dist-upgraded my XUbuntu yesterday, and got FF 77.0.1 installed. I now I face the exact same problem... I'm not even prompted for allowing access to audio/video anymore when I join a WebEx meeting... It's not an OS / hardware as joining the same meeting works perfectly with chromium and full reboot does not solve the problem in FF. In FF I can see Chat & Shared screens, but I cannot hear sound nor input sound or video. When I go to Audio Settings, I see error message "You're not connected to audio"
Comment 8•4 years ago
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Please attach a copy of about:support
, thanks!
FYI, I've just tried on the Jitsi.com website to create a confcall between my PC and my Phone, and in this case I see the prompt to allow use of mic & webcam on the PC, but I get no sound or image to/from PC & on PC I cannot temporarily start/stop mic/cam usage... Also the led of the web cam is on, so the cam and acces to it work... It's just that FF does not seem to be able to get / display the sound/image
Comment 10•4 years ago
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Application Basics
Name: Firefox
Version: 77.0.1
Build ID: 20200602222727
Distribution ID: canonical
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OS: Linux 5.4.0-39-generic
Multiprocess Windows: 6/6 Enabled by default
Remote Processes: 10
Enterprise Policies: Inactive
Google Location Service Key: Found
Google Safebrowsing Key: Found
Mozilla Location Service Key: Missing
Safe Mode: false
Crash Reports for the Last 3 Days
Firefox Features
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Graphics
Features
Compositing: Basic
Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled
WebGL 1 Driver WSI Info: GLX 1.4 GLX_VENDOR(client): Mesa Project and SGI GLX_VENDOR(server): SGI Extensions: GLX_ARB_create_context GLX_ARB_create_context_no_error GLX_ARB_create_context_profile GLX_ARB_create_context_robustness GLX_ARB_fbconfig_float GLX_ARB_framebuffer_sRGB GLX_ARB_get_proc_address GLX_ARB_multisample GLX_EXT_buffer_age GLX_EXT_create_context_es2_profile GLX_EXT_create_context_es_profile GLX_EXT_fbconfig_packed_float GLX_EXT_framebuffer_sRGB GLX_EXT_import_context GLX_EXT_texture_from_pixmap GLX_EXT_visual_info GLX_EXT_visual_rating GLX_INTEL_swap_event GLX_MESA_copy_sub_buffer GLX_MESA_query_renderer GLX_MESA_swap_control GLX_OML_swap_method GLX_OML_sync_control GLX_SGIS_multisample GLX_SGIX_fbconfig GLX_SGIX_pbuffer GLX_SGIX_visual_select_group GLX_SGI_make_current_read GLX_SGI_swap_control GLX_SGI_video_sync
WebGL 1 Driver Renderer: Intel -- Mesa Intel(R) HD Graphics 520 (SKL GT2)
WebGL 1 Driver Version: 4.6 (Compatibility Profile) Mesa 20.0.4
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WebGL 2 Driver WSI Info: GLX 1.4 GLX_VENDOR(client): Mesa Project and SGI GLX_VENDOR(server): SGI Extensions: GLX_ARB_create_context GLX_ARB_create_context_no_error GLX_ARB_create_context_profile GLX_ARB_create_context_robustness GLX_ARB_fbconfig_float GLX_ARB_framebuffer_sRGB GLX_ARB_get_proc_address GLX_ARB_multisample GLX_EXT_buffer_age GLX_EXT_create_context_es2_profile GLX_EXT_create_context_es_profile GLX_EXT_fbconfig_packed_float GLX_EXT_framebuffer_sRGB GLX_EXT_import_context GLX_EXT_texture_from_pixmap GLX_EXT_visual_info GLX_EXT_visual_rating GLX_INTEL_swap_event GLX_MESA_copy_sub_buffer GLX_MESA_query_renderer GLX_MESA_swap_control GLX_OML_swap_method GLX_OML_sync_control GLX_SGIS_multisample GLX_SGIX_fbconfig GLX_SGIX_pbuffer GLX_SGIX_visual_select_group GLX_SGI_make_current_read GLX_SGI_swap_control GLX_SGI_video_sync
WebGL 2 Driver Renderer: Intel -- Mesa Intel(R) HD Graphics 520 (SKL GT2)
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WebGL 2 Driver Extensions: GL_3DFX_texture_compression_FXT1 GL_AMD_conservative_depth GL_AMD_depth_clamp_separate GL_AMD_draw_buffers_blend GL_AMD_gpu_shader_int64 GL_AMD_multi_draw_indirect GL_AMD_performance_monitor GL_AMD_pinned_memory GL_AMD_query_buffer_object GL_AMD_seamless_cubemap_per_texture GL_AMD_shader_stencil_export GL_AMD_shader_trinary_minmax GL_AMD_texture_texture4 GL_AMD_vertex_shader_layer GL_AMD_vertex_shader_viewport_index GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ARB_ES2_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_2_compatibility GL_ARB_ES3_compatibility GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_compressed_texture_pixel_storage GL_ARB_compute_shader GL_ARB_conditional_render_inverted GL_ARB_conservative_depth 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_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_elements_base_vertex GL_ARB_draw_indirect GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_explicit_attrib_location GL_ARB_explicit_uniform_location GL_ARB_fragment_coord_conventions GL_ARB_fragment_layer_viewport GL_ARB_fragment_shader GL_ARB_fragment_shader_interlock GL_ARB_framebuffer_no_attachments GL_ARB_framebuffer_object GL_ARB_framebuffer_sRGB 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_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_occlusion_query2 GL_ARB_parallel_shader_compile GL_ARB_pipeline_statistics_query GL_ARB_pixel_buffer_object GL_ARB_point_sprite GL_ARB_polygon_offset_clamp GL_ARB_post_depth_coverage 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 GL_ARB_seamless_cubemap_per_texture GL_ARB_separate_shader_objects GL_ARB_shader_atomic_counter_ops GL_ARB_shader_atomic_counters GL_ARB_shader_ballot GL_ARB_shader_bit_encoding GL_ARB_shader_clock GL_ARB_shader_draw_parameters GL_ARB_shader_group_vote GL_ARB_shader_image_load_store GL_ARB_shader_image_size GL_ARB_shader_objects GL_ARB_shader_precision GL_ARB_shader_stencil_export GL_ARB_shader_storage_buffer_object GL_ARB_shader_subroutine GL_ARB_shader_texture_image_samples GL_ARB_shader_texture_lod GL_ARB_shader_viewport_layer_array GL_ARB_shading_language_420pack GL_ARB_shading_language_include GL_ARB_shading_language_packing GL_ARB_spirv_extensions GL_ARB_stencil_texturing GL_ARB_sync GL_ARB_tessellation_shader GL_ARB_texture_barrier GL_ARB_texture_buffer_object GL_ARB_texture_buffer_object_rgb32 GL_ARB_texture_buffer_range GL_ARB_texture_compression_bptc GL_ARB_texture_compression_rgtc GL_ARB_texture_cube_map_array GL_ARB_texture_filter_anisotropic GL_ARB_texture_float GL_ARB_texture_gather GL_ARB_texture_mirror_clamp_to_edge GL_ARB_texture_multisample GL_ARB_texture_non_power_of_two GL_ARB_texture_query_levels GL_ARB_texture_query_lod GL_ARB_texture_rectangle GL_ARB_texture_rg GL_ARB_texture_rgb10_a2ui GL_ARB_texture_stencil8 GL_ARB_texture_storage GL_ARB_texture_storage_multisample GL_ARB_texture_swizzle GL_ARB_texture_view GL_ARB_timer_query GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 GL_ARB_transform_feedback_instanced GL_ARB_transform_feedback_overflow_query GL_ARB_uniform_buffer_object GL_ARB_vertex_array_bgra GL_ARB_vertex_array_object GL_ARB_vertex_attrib_64bit GL_ARB_vertex_attrib_binding GL_ARB_vertex_buffer_object GL_ARB_vertex_shader GL_ARB_vertex_type_10f_11f_11f_rev GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_ATI_blend_equation_separate GL_ATI_texture_float GL_EXT_EGL_image_storage GL_EXT_EGL_sync GL_EXT_abgr GL_EXT_blend_equation_separate GL_EXT_demote_to_helper_invocation GL_EXT_draw_buffers2 GL_EXT_draw_instanced GL_EXT_framebuffer_blit GL_EXT_framebuffer_multisample GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_framebuffer_object GL_EXT_framebuffer_sRGB GL_EXT_packed_depth_stencil GL_EXT_packed_float GL_EXT_pixel_buffer_object GL_EXT_polygon_offset_clamp GL_EXT_provoking_vertex GL_EXT_shader_framebuffer_fetch GL_EXT_shader_framebuffer_fetch_non_coherent GL_EXT_shader_integer_mix GL_EXT_shader_samples_identical GL_EXT_texture_array GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_rgtc GL_EXT_texture_compression_s3tc GL_EXT_texture_filter_anisotropic GL_EXT_texture_integer GL_EXT_texture_sRGB GL_EXT_texture_sRGB_R8 GL_EXT_texture_sRGB_decode GL_EXT_texture_shadow_lod GL_EXT_texture_shared_exponent GL_EXT_texture_snorm GL_EXT_texture_swizzle GL_EXT_timer_query GL_EXT_transform_feedback GL_EXT_vertex_array_bgra GL_EXT_vertex_attrib_64bit GL_IBM_multimode_draw_arrays GL_INTEL_conservative_rasterization GL_INTEL_performance_query GL_INTEL_shader_atomic_float_minmax GL_INTEL_shader_integer_functions2 GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent GL_KHR_context_flush_control GL_KHR_debug GL_KHR_no_error GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_KHR_robustness GL_KHR_texture_compression_astc_ldr GL_KHR_texture_compression_astc_sliced_3d GL_MESA_framebuffer_flip_y GL_MESA_pack_invert GL_MESA_shader_integer_functions GL_MESA_texture_signed_rgba GL_NV_compute_shader_derivatives GL_NV_conditional_render GL_NV_depth_clamp GL_NV_fragment_shader_interlock GL_NV_packed_depth_stencil GL_NV_texture_barrier GL_OES_EGL_image GL_S3_s3tc
WebGL 2 Extensions: EXT_color_buffer_float EXT_float_blend EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_texture_float_linear WEBGL_compressed_texture_astc WEBGL_compressed_texture_etc WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context
Window Protocol: x11
Desktop Environment: i3
Off Main Thread Painting Enabled: true
Off Main Thread Painting Worker Count: 3
Target Frame Rate: 60
GPU #1
Active: Yes
Description: Mesa Intel(R) HD Graphics 520 (SKL GT2)
Vendor ID: 0x8086
Device ID: 0x1916
Driver Vendor: mesa/iris
Driver Version: 20.0.4.0
RAM: 3072
Diagnostics
AzureCanvasBackend: skia
AzureContentBackend: skia
AzureFallbackCanvasBackend: none
CairoUseXRender: 0
CMSOutputProfile: Empty profile data
Display0: 3840x1080 default
DisplayCount: 1
Decision Log
HW_COMPOSITING:
blocked by env: Acceleration blocked by platform
OPENGL_COMPOSITING:
unavailable by default: Hardware compositing is disabled
GPU_PROCESS:
unavailable by env: Hardware compositing is unavailable.
WEBRENDER:
opt-in by default: WebRender is an opt-in feature
WEBRENDER_QUALIFIED:
denied by env: Not on allowlist
WEBRENDER_COMPOSITOR:
disabled by default: Disabled by default
unavailable by runtime: No DirectComposition usage
WEBRENDER_ANGLE:
opt-in by default: WebRender ANGLE is an opt-in feature
WEBRENDER_DCOMP_PRESENT:
opt-in by default: WebRender DirectComposition is an opt-in feature
WEBGPU:
disabled by default: Disabled by default
blocked by runtime: WebGPU can only be enabled in nightly
Media
Audio Backend: pulse-rust
Max Channels: 2
Preferred Sample Rate: 48000
Output Devices
Name: Group
Built-in Audio Analog Stereo: /devices/pci0000:00/0000:00:1f.3/sound/card0
Input Devices
Name: Group
Monitor of Built-in Audio Analog Stereo: /devices/pci0000:00/0000:00:1f.3/sound/card0
Built-in Audio Analog Stereo: /devices/pci0000:00/0000:00:1f.3/sound/card0
Enumerate database
Important Modified Preferences
accessibility.typeaheadfind.flashBar: 0
browser.cache.disk.amount_written: 1177579
browser.cache.disk.capacity: 153600
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.smart_size.first_run: false
browser.cache.disk.telemetry_report_ID: 36
browser.contentblocking.category: strict
browser.download.folderList: 2
browser.download.useDownloadDir: false
browser.places.smartBookmarksVersion: 8
browser.search.region: FR
browser.search.useDBForOrder: true
browser.sessionstore.upgradeBackup.latestBuildID: 20200507114007
browser.startup.homepage: about:blank
browser.startup.homepage_override.buildID: 20200602222727
browser.startup.homepage_override.mstone: 77.0.1
browser.tabs.crashReporting.includeURL: true
browser.urlbar.placeholderName: DuckDuckGo
browser.urlbar.timesBeforeHidingSuggestionsHint: 0
dom.disable_open_click_delay: 0
dom.push.userAgentID: 44e49aba1c7946cf8b3ed1015dcf0e35
extensions.lastAppVersion: 77.0.1
font.internaluseonly.changed: false
gfx.blacklist.layers.opengl.failureid: FEATURE_FAILURE_SOFTWARE_GL
idle.lastDailyNotification: 1593622251
media.benchmark.vp9.fps: 27
media.benchmark.vp9.versioncheck: 5
media.gmp-gmpopenh264.abi: x86_64-gcc3
media.gmp-gmpopenh264.lastUpdate: 1571990316
media.gmp-gmpopenh264.version: 1.8.1.1
media.gmp-manager.buildID: 20200602222727
media.gmp-manager.lastCheck: 1593760830
media.gmp.storage.version.observed: 1
media.peerconnection.enabled: false
media.peerconnection.ice.default_address_only: true
media.peerconnection.ice.no_host: true
media.peerconnection.ice.proxy_only_if_behind_proxy: true
network.cookie.lifetimePolicy: 2
network.cookie.prefsMigrated: true
network.dns.disablePrefetch: true
network.http.speculative-parallel-limit: 0
network.predictor.cleaned-up: true
network.predictor.enabled: false
network.prefetch-next: false
network.trr.custom_uri: https://doh.appliedprivacy.net/query
network.trr.mode: 2
network.trr.uri: https://doh.appliedprivacy.net/query
places.database.lastMaintenance: 1593622252
places.history.enabled: false
places.history.expiration.transient_current_max_pages: 84654
plugin.disable_full_page_plugin_for_types: application/pdf
print.print_bgcolor: false
print.print_bgimages: false
print.print_duplex: 0
print.print_evenpages: true
print.print_margin_bottom: 0.5
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print.print_unwriteable_margin_bottom: 56
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print.print_unwriteable_margin_top: 25
privacy.clearOnShutdown.offlineApps: true
privacy.clearOnShutdown.siteSettings: true
privacy.cpd.offlineApps: true
privacy.cpd.siteSettings: true
privacy.donottrackheader.enabled: true
privacy.history.custom: true
privacy.popups.showBrowserMessage: false
privacy.purge_trackers.date_in_cookie_database: 0
privacy.sanitize.pending: [{"id":"shutdown","itemsToClear":["cache","cookies","offlineApps","history","formdata","downloads","sessions","siteSetti
privacy.sanitize.sanitizeOnShutdown: true
privacy.sanitize.timeSpan: 0
privacy.socialtracking.notification.counter: 2
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privacy.socialtracking.notification.lastShown: 1572251265336
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privacy.trackingprotection.socialtracking.enabled: true
security.dialog_enable_delay: 0
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security.remote_settings.intermediates.checked: 1593767665
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services.sync.declinedEngines: tabs,passwords,history
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services.sync.lastPing: 1593683401
services.sync.lastSync: Fri Jul 03 2020 11:14:24 GMT+0200 (Central European Summer Time)
signon.importedFromSqlite: true
storage.vacuum.last.index: 1
storage.vacuum.last.places.sqlite: 1593430985
Important Locked Preferences
dom.ipc.processCount.webIsolated: 1
fission.autostart: false
Places Database
JavaScript
Incremental GC: true
Accessibility
Activated: false
Prevent Accessibility: 0
Library Versions
NSPR
Expected minimum version: 4.25
Version in use: 4.25
NSS
Expected minimum version: 3.52.1
Version in use: 3.52.1
NSSSMIME
Expected minimum version: 3.52.1
Version in use: 3.52.1
NSSSSL
Expected minimum version: 3.52.1
Version in use: 3.52.1
NSSUTIL
Expected minimum version: 3.52.1
Version in use: 3.52.1
Sandbox
Seccomp-BPF (System Call Filtering): true
Seccomp Thread Synchronization: true
User Namespaces: true
Content Process Sandboxing: true
Media Plugin Sandboxing: true
Content Process Sandbox Level: 4
Effective Content Process Sandbox Level: 4
Rejected System Calls
Startup Cache
Disk Cache Path: /home/gmuller/.cache/mozilla/firefox/52f6mcgx.default/startupCache/startupCache.8.little
Ignore Disk Cache: false
Found Disk Cache on Init: true
Wrote to Disk Cache: false
Internationalization & Localization
Application Settings
Requested Locales: ["en-US"]
Available Locales: ["en-US","en-CA","en-GB","fr"]
App Locales: ["en-US","en-CA","en-GB"]
Regional Preferences: ["en-US"]
Default Locale: "en-US"
Operating System
System Locales: ["en-US"]
Regional Preferences: ["en-US"]
Comment 11•4 years ago
|
||
Can you hear yourself when you click "Microphone" and accept the prompt on https://mozilla.github.io/webrtc-landing/gum_test.html ?
Comment 12•4 years ago
|
||
Hi,
Sorry, in my case the problem was the FF got upgraded in the background to 78.0.1 whereas the running instance was still 77.0.1...
Killing & Restarting the running instance seems to have solved the problem.
Comment 13•4 years ago
|
||
Closing per comment#12
Description
•