This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox 90.0 no spund problem with Firejail

  • 2 replies
  • 1 has this problem
  • 2 views
  • Last reply by Terry

more options

Hi i sandboxec firefox process, but i lose sound capabilities... This is the cmd line messages:

(firefox:10): LIBDBUSMENU-GLIB-WARNING **: 08:49:34.055: Unable to get session bus: Could not connect: Permission denied [Child 52, MediaDecoderStateMachine #1] WARNING: 7f7766fe13c0 OpenCubeb() failed to init cubeb: file /build/firefox-1MxnM8/firefox-90.0+build1/dom/media/AudioStream.cpp:324 [Child 52, MediaDecoderStateMachine #1] WARNING: Decoder=7f775c0f0c00 [OnMediaSinkAudioError]: file /build/firefox-1MxnM8/firefox-90.0+build1/dom/media/MediaDecoderStateMachine.cpp:3941

what is the workaround to fix sound?

Hi i sandboxec firefox process, but i lose sound capabilities... This is the cmd line messages: (firefox:10): LIBDBUSMENU-GLIB-WARNING **: 08:49:34.055: Unable to get session bus: Could not connect: Permission denied [Child 52, MediaDecoderStateMachine #1] WARNING: 7f7766fe13c0 OpenCubeb() failed to init cubeb: file /build/firefox-1MxnM8/firefox-90.0+build1/dom/media/AudioStream.cpp:324 [Child 52, MediaDecoderStateMachine #1] WARNING: Decoder=7f775c0f0c00 [OnMediaSinkAudioError]: file /build/firefox-1MxnM8/firefox-90.0+build1/dom/media/MediaDecoderStateMachine.cpp:3941 what is the workaround to fix sound?

Chosen solution

I stopped using firejail because it interfered with some function in Firefox and was reported to affect another function. One of those functions may have been sound on at least one commonly used website.

Read this answer in context 👍 0

All Replies (2)

more options

Solution: i don't really know, updates, i uninstall firejail and install, again and again and i follow up this: https://firejail.wordpress.com/documentation-2/basic-usage/comment-page-2/?unapproved=21256&moderation-hash=cadb6aeb67c97a8d76992746b3057610#comment-21256

Ubuntu 18.04.5 LTS firejail version 0.9.66 firefox version 90.0

user$ /usr/bin/firejail --name=firefox --caps.drop=all --seccomp firefox

sound is working fine, no more ,,Unable to get session bus: Could not connect: Permission denied

more options

Chosen Solution

I stopped using firejail because it interfered with some function in Firefox and was reported to affect another function. One of those functions may have been sound on at least one commonly used website.