and that there are something more going on in 68 sounds, I lost sound again even with sandbox set to 5, but restarting FF restored sound. So sandbox to 5 in 68 might not be even relevant to this discussion. I'm sorry about that.

I will be testing 78 soonish in our environment (for obvious reasons), so if I have something to add to this I report it after testing.

Timo Pietilä

On 26.8.2020 7.24, Timo Pietilä wrote:
...aand I just realized this is old bug, I'm still using 68esr, not 78esr.

Anyway sandbox to 5 fixes it.

Timo Pietilä

On 25.8.2020 7.30, Timo Pietilä wrote:
I had that same problem and to me sandbox.content to 5 fixed the problem. Required FF restart after changing that setting before it worked, but now I'm getting sounds from videos.

Same problems: connection to remote machine with RDP -> no sound from FF videos played at remote end.

Timo Pietilä

On 24.8.2020 18.16, Mike Kaply wrote:
Can you try changing

security.sandbox.content.level

to 5 and seeing if that fixes it? If so, that would point to:

https://bugzilla.mozilla.org/show_bug.cgi?id=1623793 <https://bugzilla.mozilla.org/show_bug.cgi?id=1623793>

We had to disable some IPC stuff because of a crash.

Mike






On Mon, Aug 24, 2020 at 5:34 AM Malte Riemer <riemerma...@citeq.de <mailto:riemerma...@citeq.de>> wrote:

    Thanks Mike for response.____

    __ __

    No, we don’t use Firefox-installation on a network-drive. We also
    tried start Firefox in safe mode or with a new profile. There’s
    still no sound.____

    __ __

    Sorry, but I cannot use mozregression. It crahes with errors on my
    machine (Win 10 1909 - 64Bit).____

    __ __

    But today we find out the the problem might only occur when we use
    Remote Desktop to connect on workstations. If on that workstation
    Firefox is running in version 78esr, there’s no sound coming over
    the RDP-session.____

    __ __

    This ist the configuration for sandboxing:____

    security.sandbox.content.level = 6____

    __ __

    May you can also test to confirm the problem with using RDP on a
    computer which is running version 78esr?____

    __ __

    Malte____

    __ __

    *Von:*Mike Kaply <mka...@mozilla.com <mailto:mka...@mozilla.com>>
    *Gesendet:* Freitag, 21. August 2020 18:52
    *An:* Malte Riemer <riemerma...@citeq.de <mailto:riemerma...@citeq.de>>
    *Cc:* enterprise@mozilla.org <mailto:enterprise@mozilla.org>
    *Betreff:* Re: [Mozilla Enterprise] No sound on websites with 78esr____

    __ __

    *[Vorsicht Internetmail]: *
    Diese Mail haben Sie über das Internet erhalten. Bitte Anlagen und
    Links nur öffnen, wenn keine Anhaltspunkte für Viren vorliegen.
    Weitere Informationen finden Sie auch in der FAQ Outlook
<https://intranet-ms.stadt-muenster.de/citeq/kommunikation/outlook/haeufige-fragen/>____

    A couple more thoughts.____

    __ __

    Have you modified any sandbox preferences:?____

    __ __

    In about:config, check security.sandbox.content.level ____

    __ __

    Does it work in safe mode or a new profile?____

    __ __

    Would you be willing to use mozregression to figure out when it
    started?____

    __ __

    https://mozilla.github.io/mozregression/
    <https://mozilla.github.io/mozregression/>____

    __ __

    Mike____

    __ __

    On Fri, Aug 21, 2020 at 9:23 AM Mike Kaply <mka...@mozilla.com
    <mailto:mka...@mozilla.com>> wrote:____

        Are you by chance running Firefox on a network drive?____

        __ __

        Mike____

        __ __

        On Fri, Aug 21, 2020 at 6:09 AM Malte Riemer
        <riemerma...@citeq.de <mailto:riemerma...@citeq.de>> wrote:____

            Hi,____

            ____

            I have problems with my sound since I am testing Firefox
            Version 78esr.____

            My Version I use ist 78.1.0esr.____

            ____

            I can try youtube, spotify or anything else. There‘s no
            sound. I also uninstalled and cleared the Firefox-profile
            etc. but without any effect.____

            ____

            When I use the 68esr-Version, there is no problem.____

            ____

            When I switch on the debugger and look into the console on
            several pages I can find this error:____

            ____

            cid:image001.png@01D67A08.3B13D1D0____

            ____

            Maybe the cause of the problem?____

            ____

            I don’t use the private mode.____

            We have some group policies for deleting cookies and cache
            data when closing the firefox and some other stuff. ____

            ____

            Has anybody else the same problem?____

            ____

            Thanks____

            Malte____

            ____

            Der Schutz Ihrer personenbezogenen Daten ist der Stadt
            Münster ein wichtiges Anliegen. Die Datenschutzerklärung
            finden Sie unter folgendem Link:
            https://www.stadt-muenster.de/datenschutz.html
            <https://www.stadt-muenster.de/datenschutz.html>____

            Zusammen gegen Antisemitismus____

            _______________________________________________
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            Enterprise@mozilla.org <mailto:Enterprise@mozilla.org>
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