g_assertion_message (domain=domain@entry=0x55c86922ed64 "Gvc", file=file@entry=0x55c869230598 "../subprojects/gvc/gvc-mixer-control.c", line=line@entry=547, func=func@entry=0x55c869231ac0 <__func__.29306> "gvc_mixer_control_change_profile_on_selected_device", message=message@entry=0x55c86b16dbd0 "assertion failed: (best_profile)") at ../../../../glib/gtestutils.c:2532
g_assertion_message_expr (domain=domain@entry=0x55c86922ed64 "Gvc", file=file@entry=0x55c869230598 "../subprojects/gvc/gvc-mixer-control.c", line=line@entry=547, func=func@entry=0x55c869231ac0 <__func__.29306> "gvc_mixer_control_change_profile_on_selected_device", expr=expr@entry=0x55c86923183a "best_profile") at ../../../../glib/gtestutils.c:2555
gvc_mixer_control_change_profile_on_selected_device (control=0x55c86ae922b0, device=0x55c86b072760, profile=profile@entry=0x0) at ../subprojects/gvc/gvc-mixer-control.c:547
gvc_mixer_control_change_output (control=<optimized out>, output=<optimized out>) at ../subprojects/gvc/gvc-mixer-control.c:597
on_output_selection_changed (selection=0x55c86ae86c30, dialog=0x55c86aec4130) at ../panels/sound/gvc-mixer-dialog.c:1464