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[GH-ISSUE #1968] No sound output from Firefox after upgrading Firejail to 0.9.54 #1321

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opened 2026-05-05 07:51:43 -06:00 by gitea-mirror · 5 comments

gitea-mirror commented

2026-05-05 07:51:43 -06:00

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Originally created by @mi2iec on GitHub (May 30, 2018).
Original GitHub issue: https://github.com/netblue30/firejail/issues/1968

I have just updated Firejail from 0.9.52 to 0.9.54 and now sound no longer works in
Firefox 60.0.1

If Firejail is started with --debug, the following message is printed in the terminal
while playing a YouTube video:

[Child 47, MediaPlayback #3] WARNING: 5593d1b04e60 OpenCubeb() failed to init cubeb: file /home/buildozer/aports/testing/firefox/src/firefox-60.0.1/dom/media/AudioStream.cpp, line 388

[Child 47, MediaPlayback #3] WARNING: Decoder=5593d17d1c00 [OnMediaSinkAudioError]: file /home/buildozer/aports/testing/firefox/src/firefox-60.0. /dom/media/MediaDecoderStateMachine.cpp, line 3746

I use Firefox with only ALSA and all Firejail profiles are default. If I remove Firejail or
downgrade to 0.9.52, sound works again.

How can I get sound working with Firejail 0.9.54?

Originally created by @mi2iec on GitHub (May 30, 2018). Original GitHub issue: https://github.com/netblue30/firejail/issues/1968 I have just updated Firejail from 0.9.52 to 0.9.54 and now sound no longer works in Firefox 60.0.1 If Firejail is started with `--debug`, the following message is printed in the terminal while playing a YouTube video: `[Child 47, MediaPlayback #3] WARNING: 5593d1b04e60 OpenCubeb() failed to init cubeb: file /home/buildozer/aports/testing/firefox/src/firefox-60.0.1/dom/media/AudioStream.cpp, line 388` `[Child 47, MediaPlayback #3] WARNING: Decoder=5593d17d1c00 [OnMediaSinkAudioError]: file /home/buildozer/aports/testing/firefox/src/firefox-60.0. /dom/media/MediaDecoderStateMachine.cpp, line 3746` I use Firefox with only ALSA and all Firejail profiles are default. If I remove Firejail or downgrade to 0.9.52, sound works again. How can I get sound working with Firejail 0.9.54?

gitea-mirror closed this issue

2026-05-05 07:51:44 -06:00

gitea-mirror commented

2026-05-05 07:51:47 -06:00

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@netblue30 commented on GitHub (May 30, 2018):

At some point Firefox dropped the support for ALSA and moved to PulseAudio. What distribution are you using?

@netblue30 commented on GitHub (May 30, 2018): At some point Firefox dropped the support for ALSA and moved to PulseAudio. What distribution are you using?

gitea-mirror commented

2026-05-05 07:51:48 -06:00

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@mi2iec commented on GitHub (May 30, 2018):

I'm using Alpine LInux. Firefox is no longer built with ALSA support by default, but it's stille possible to enable it at build time with --enable-alsa which it seems like many smaller distributions like Alpine Linux do. As far as i know, Firefox has not completely dropped ALSA support, it's just currently unmaintained.

However, as mentioned in the issue, sound works fine with 0.9.52 or if I disable the Firefox profile after updating, so someting must have happened between 0.9.52 and 0.9.54 that breaks the sound.

@mi2iec commented on GitHub (May 30, 2018): I'm using [Alpine LInux](https://alpinelinux.org/). Firefox is no longer built with ALSA support by default, but it's stille possible to enable it at build time with `--enable-alsa` which it seems like many smaller distributions like Alpine Linux do. As far as i know, Firefox has not completely dropped ALSA support, it's just currently unmaintained. However, as mentioned in the issue, sound works fine with 0.9.52 or if I disable the Firefox profile after updating, so someting must have happened between 0.9.52 and 0.9.54 that breaks the sound.

gitea-mirror commented

2026-05-05 07:51:49 -06:00

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@w00x00 commented on GitHub (May 31, 2018):

I have exactly the same issue. Sound is working without firejail or with firejail 0.9.52

@w00x00 commented on GitHub (May 31, 2018): I have exactly the same issue. Sound is working without firejail or with firejail 0.9.52

gitea-mirror commented

2026-05-05 07:51:50 -06:00

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@michabuntu commented on GitHub (Jul 1, 2018):

Comment nogroups in firefox.profile: no sound with nogroups enabled: on a system free of systemd and pulseaudio.
With systemd alsa-sound works, because groups are handeld by systemd.
And yes firefox still has alsa, enabled in v.60 (can be enabled via mozconfig) and also in waterfox, same goes for chromium, still alsa.

@michabuntu commented on GitHub (Jul 1, 2018): Comment nogroups in firefox.profile: no sound with nogroups enabled: on a system free of systemd and pulseaudio. With systemd alsa-sound works, because groups are handeld by systemd. And yes firefox still has alsa, enabled in v.60 (can be enabled via mozconfig) and also in waterfox, same goes for chromium, still alsa.

gitea-mirror commented

2026-05-05 07:51:51 -06:00

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@chiraag-nataraj commented on GitHub (Jul 24, 2018):

Let's switch the discussion to #2042.

@chiraag-nataraj commented on GitHub (Jul 24, 2018): Let's switch the discussion to #2042.

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Reference: github-starred/firejail#1321

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