StacktraceTop:
pa_context_set_error () from /tmp/apport_sandbox_cepark5h/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.2
pa_context_set_sink_volume_by_index () from /tmp/apport_sandbox_cepark5h/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.2
gvc_mixer_sink_push_volume (stream=<optimized out>, op=0x7ffebb33e3a0) at ../subprojects/gvc/gvc-mixer-sink.c:63
gvc_mixer_stream_push_volume (stream=0x5595bf6fec00) at ../subprojects/gvc/gvc-mixer-stream.c:820
volume_changed_cb (self=0x5595bf62ff10) at ../panels/sound/cc-volume-slider.c:80
StacktraceTop: set_error () from /tmp/apport_ sandbox_ cepark5h/ usr/lib/ x86_64- linux-gnu/ libpulse. so.0.21. 2 set_sink_ volume_ by_index () from /tmp/apport_ sandbox_ cepark5h/ usr/lib/ x86_64- linux-gnu/ libpulse. so.0.21. 2 sink_push_ volume (stream=<optimized out>, op=0x7ffebb33e3a0) at ../subprojects/ gvc/gvc- mixer-sink. c:63 stream_ push_volume (stream= 0x5595bf6fec00) at ../subprojects/ gvc/gvc- mixer-stream. c:820 2ff10) at ../panels/ sound/cc- volume- slider. c:80
pa_context_
pa_context_
gvc_mixer_
gvc_mixer_
volume_changed_cb (self=0x5595bf6