make a safety copy of /etc/pulse/default.pa edit the file to comment out the following lines like this
#load-module module-udev-detect #load-module module-detect add the following lines immediately following the ones you commented out load-module module-alsa-sink device=hw:<your_card>,<sink_index> sink_properties="your_sink" load-module module-alsa-source device=hw:<your_card>,<source_index> source_properties="your_source" You can discover the value for <your_card>, <sink_index> and <source_index> via `aplay -l` and `arecord -l` restart pulseaudio `pulseaudio -k` verify it worked `pactl list sinks` `pactl list sources` Not a fix but it is a workaround On Mon, Oct 22, 2018 at 10:36 AM, Andrey Semashev <[email protected] > wrote: > On 10/1/18 4:20 PM, Hakan Bayındır wrote: > >> Hello All, >> >> I'm using Debian Testing with KDE desktop, and having problem with >> PulseAudio's sound card detection. >> >> The system I'm using has three sound sinks (or cards if you wish): >> - nVidia GTX680's sound output over DisplayPort. >> - Intel's on board HD audio. >> - ASUS Xonar D2X on PCIe (CMedia CM8788) [Preferred & default card]. >> >> All of the cards are well supported under Linux, ALSA and PulseAudio, >> however PulseAudio is sometimes do not detecting my soundcard and revert >> to one of the other cards as it pleases. The problem started with a >> kernel update (I don't remember the exact version). What I've diagnosed >> is as follows: >> - Card is always operational. Present in lspci, initialized correctly >> (D2X has hard relays as mute switches and I hear the distinctive CLACK >> sound when the card is initialized). >> - ALSA always detecting and calling the card settings from persistence >> as it should, I verified with ALSA mixer. >> - Deleting PulseAudio settings and restarting daemon generally has no >> help. >> - When card is not detected it's completely absent from PulseAudio's >> configuration and configuration database. >> - I sometimes need to shutdown and restart the PC two to three times to >> get the sound card back. >> - It's more likely occur if I log-on to my PC late (press the power >> button, get a cup of tea, drink some, wander off and login). >> - There's no terse/warning/error logs anywhere. Everything is working as >> it should on paper, so I cannot debug the problem. >> >> Did anyone experience anything like this? I have the ability to debug >> and patch the code if necessary, and if someone can at least show me the >> right place for discussing this stuff I'd be grateful. >> > > I'm having the same problem on Kubuntu 18.10, PulseAudio 12.2. `pactl list > cards` does not list D2X but it is clearly present in `aplay -L` and > `alsa-info` output. > > Were you able to resolve or debug the problem? > > _______________________________________________ > pulseaudio-discuss mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss > -- Sincerely, Russell Treleaven sip:[email protected];transport=tcp
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