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I’m using the free version of NoMachine to connect to my Fedora 32 laptop from my Windows 10 PC. I have the option selected to mute audio on the server but I still hear sound coming from both my laptop and my desktop whenever I play audio in the Fedora 32 session.
I’m using NoMachine version 6.11.2 on both the laptop and the desktop. On the laptop I’m running Gnome 3.36.6 on X.
Hi,
We could not reproduce this issue in your evironment. What output device are you using on laptop (built in speakers or something else)? Did you try to uncheck and check again “Mute audio on the server” option?
Please, can you provide also the output of these commands when the NoMachine session is running:
1. List files in /dev/snd:
ls -lrt /dev/snd2. Check if PCM mixer control is available for specified sound card:
for dev_id in $(ls /dev/snd | grep controlC | sed -e 's/controlC//g'); do amixer -c $dev_id get PCM; done3. List available sinks
pacmd list-sinks > list_sinks.logand attach “list_sinks.log” in you reply.
I’ve tried disabling and re-enabling the mute server audio option with no change in behavior.
The output of the first command:
total 0 drwxr-xr-x. 2 root root 80 Oct 4 18:20 by-path crw-rw----+ 1 root audio 116, 33 Oct 4 18:20 timer crw-rw----+ 1 root audio 116, 1 Oct 4 18:20 seq crw-rw----+ 1 root audio 116, 2 Oct 4 18:20 controlC1 crw-rw----+ 1 root audio 116, 10 Oct 4 18:20 hwC0D0 crw-rw----+ 1 root audio 116, 11 Oct 4 18:20 hwC0D2 crw-rw----+ 1 root audio 116, 12 Oct 4 18:20 controlC0 crw-rw----+ 1 root audio 116, 5 Oct 4 18:21 pcmC0D3p crw-rw----+ 1 root audio 116, 6 Oct 4 18:21 pcmC0D7p crw-rw----+ 1 root audio 116, 7 Oct 4 18:21 pcmC0D8p crw-rw----+ 1 root audio 116, 8 Oct 4 18:21 pcmC0D9p crw-rw----+ 1 root audio 116, 9 Oct 4 18:21 pcmC0D10p crw-rw----+ 1 root audio 116, 4 Oct 4 18:21 pcmC0D0c crw-rw----+ 1 root audio 116, 3 Oct 5 07:06 pcmC0D0pThe output of the second command:
Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 0 [0%] [-51.00dB] Front Right: Playback 0 [0%] [-51.00dB] amixer: Unable to find simple control 'PCM',0I’ve attached the output of the third command as requested.
Can you send the attachment directly to forum[at]nomachine[dot]com, please put the title of the topic as the subject of your email.
Hi, this bug has been fixed in version 7 – please download it, and the topic can be closed.
Reference: https://www.nomachine.com/TR12R09944
I don’t know if Fedora 33 changed anything, but I just tested this and I still hear sound from the server when I have the mute server audio option enabled.
Here is the output from the first two commands you asked for previously:
[dave@localhost ~]$ ls -lrt /dev/snd total 0 crw-rw----+ 1 root audio 116, 33 Dec 18 04:36 timer crw-rw----+ 1 root audio 116, 1 Dec 18 04:36 seq crw-rw----+ 1 root audio 116, 2 Dec 18 04:36 controlC1 crw-rw----+ 1 root audio 116, 11 Dec 18 04:36 hwC0D2 crw-rw----+ 1 root audio 116, 12 Dec 18 04:36 controlC0 crw-rw----+ 1 root audio 116, 10 Dec 18 04:36 hwC0D0 drwxr-xr-x. 2 root root 80 Dec 18 04:36 by-path crw-rw----+ 1 root audio 116, 5 Dec 18 04:48 pcmC0D3p crw-rw----+ 1 root audio 116, 6 Dec 18 04:48 pcmC0D7p crw-rw----+ 1 root audio 116, 7 Dec 18 04:48 pcmC0D8p crw-rw----+ 1 root audio 116, 8 Dec 18 04:48 pcmC0D9p crw-rw----+ 1 root audio 116, 9 Dec 18 04:48 pcmC0D10p crw-rw----+ 1 root audio 116, 3 Dec 18 04:48 pcmC0D0p crw-rw----+ 1 root audio 116, 4 Dec 18 04:48 pcmC0D0c [dave@localhost ~]$ for dev_id in $(ls /dev/snd | grep controlC | sed -e 's/controlC//g'); do amixer -c $dev_id get PCM; done Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 255 [100%] [0.00dB] Front Right: Playback 255 [100%] [0.00dB] amixer: Unable to find simple control 'PCM',0You can see the output of the third command at https://pastebin.com/GwWqAjzR.
Hello again,
please for more investigation, send us logs.Here you can find article, how to capture logs automatically.
Connect to server with “mute server” option and few times enable/disable “mute server” option from context menu (right upper corner, in audio section).
And once again, please give us output of available sinks when “mute server” option is enabled.
I’ve created the logs as requested. The output shown in my post above shows the available sinks when “mute server” option is enabled.
Thank you for logs.
Please also upload nxserver.log from:
~/.nx/nxserver.logor (~ refers your home directory)
/home/$USER/.nx/nxserver.logHi, fishnet37222, firstly, please update the software (both sides) because we recently released version 7 and you should see if this changes anything – a number of fixes were introduced which were related to audio on Linux.
If the problem is still there, please resubmit everything plus the additional files that tsotne requested. Thank you!
I’ve checked the version on both my Fedora laptop and my Windows 10 PC and now have them both running the most recent version. The audio is still not muted on the Fedora laptop when I connect from my Windows 10 PC. I’ve generated and attached the logs as requested.
Hi again,
please do:
1. Enable logs on server side:
sudo /etc/NX/nxserver --debug --enable all2. restart NM on server side:
sudo /etc/NX/nxserver --restart3. Connect again to server with mute option enabled and again few times enable and disable it from context menu.
4. When enabled mute option, check sinks again (it’s important)
pacmd list-sinks > list_sinks.log5. Disconnect from server and give us:
- list_sinks.log
- nxserver.log from ~/.nx/nxserver.log
Closed because the user did not provide further feedback. Please notify us if you confirm that it is resolved or open a new topic if you have the same problem.