Hi Mikel,
one addition:
Hi Mikel,
after a bit of testing, I found an easy way to reproduce the problem.
It seems to occur when the phone is in "connected" state and you try
to move the source away from the loopback module. Pacmd shows the
bluetooth source as "SUSPENDED" while the source-output is "RUNNING".
This looks perfectly fine to me. The Bluetooth source is no longer in
use (you moved away the source-output) and therefore SUSPENDED, as
opposed to the source-output which is pulling audio from the alsa card
(your sound card, I guess).
No, before I move, while the BT source is still connected to the
source-output, the source is suspended while the source-output
is running. After the move everything looks like one would expect,
the BT source is still suspended while the new source and the
source-output are running.
You should check whether your alsa source is RUNNING. If not, you
might have hit an issue. I however think this is completely unrelated
to the Bluetooth modules.
Doing the following triggers the problem:
1) insert a loopback module with source=your_phone
2) wait until the phone is no longer playing
3) with pavucontrol move the source of the loopback module to another device
What is strange is that the messages start after the source has already
changed.
I inserted a few log statements in module-loopback.c and got:
[bluetooth] module-loopback.c: Source Output detach
bluez_source.00_12_D1_8C_FC_80
[pulseaudio] module-loopback.c: Source Output moving to
alsa_input.pci-0000_00_1b.0.analog-stereo
[alsa-source-VT1828S Analog] module-loopback.c: Source Output attach
alsa_input.pci-0000_00_1b.0.analog-stereo
[alsa-sink-USB Audio] module-loopback.c: Requesting rewind due to end of
underrun.
[alsa-sink-USB Audio] module-loopback.c: Requesting rewind due to end of
underrun.
...
Have you tried loading module-loopback (regardless of BT devices) with
the same sink and source (as resulted from your sequence above, i.e.
probably from alsa to alsa) and see if the issue with the rewinds
reproduces?
Cheers,
Mikel
Regards
Georg
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