[Vm-dev] Audio problems on Linux - part 2 (PulseAudio)

Phil B pbpublist at gmail.com
Thu Oct 10 15:49:18 UTC 2019


Hi Fabio,

On Thu, Oct 10, 2019 at 9:44 AM Fabio Niephaus <lists at fniephaus.com> wrote:

>
> Hi Phil,
>
> On Thu, Oct 10, 2019 at 5:10 AM Phil B <pbpublist at gmail.com> wrote:
>
>>
>> I'm not able to get the PulseAudio driver working on Debian 10.  When I
>> try squeak -vm-sound-pulse I get:
>> dlopen:
>> /tmp/sqcogspur64linuxht-20190724/lib/squeak/5.0-201907242041/vm-sound-pulse.so:
>> undefined symbol: pa_simple_write
>>
>
> What's the output of this:
> `ldd
> /tmp/sqcogspur64linuxht-20190724/lib/squeak/5.0-201907242041/vm-sound-pulse.so`
>

linux-vdso.so.1 (0x00007ffce09e5000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
(0x00007f9b67a60000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f9b6789f000)
/lib64/ld-linux-x86-64.so.2 (0x00007f9b67cef000)


>
> And are you sure, pulseaudio is installed on your system?
>

$ pactl info
Server String: unix:/run/user/1000/pulse/native
Library Protocol Version: 32
Server Protocol Version: 32
Is Local: yes
Client Index: 12
Tile Size: 65472
User Name: phil
Host Name: debian
Server Name: pulseaudio
Server Version: 12.2
Default Sample Specification: s16le 2ch 44100Hz
Default Channel Map: front-left,front-right
Default Sink: alsa_output.pci-0000_00_1b.0.iec958-stereo
Default Source:
alsa_input.usb-Blue_Microphones_Yeti_Stereo_Microphone_REV8-00.analog-stereo
Cookie: 6dcb:a4d4

The PulseAudio package installed is 12.2-4+deb10u1 from Debian 10.1


>
> Cheers,
> Fabio
>
>
>> could not find module vm-sound-pulse
>> Aborted
>>
>> When I run squeak --help I get the following listed as available drivers:
>>   vm-sound-null
>>   vm-sound-OSS
>>   vm-sound-NAS
>>   vm-display-null
>>   vm-display-fbdev
>>   vm-display-X11
>>
>> Finally I do an ls of the vm library directory and see the .a and .so
>> files for vm-sound-ALSA, vm-sound-NAS, vm-sound-null, vm-sound-OSS, and
>> vm-sound-pulse.
>>
>> Assuming the PulseAudio driver should be working, I'm not clear on
>> whether this is a VM build issue, a missing package on my system, or some
>> other unresolved issue on Debian.  Suggestions appreciated...
>>
>
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