Thread 1 "python" received signal SIGINT, Interrupt.
0x00007ffff7a82a8a in __futex_abstimed_wait_common64 () from /lib64/libpthread.so.0
(gdb) thread apply all backtrace

Thread 12 (LWP 8601 "python"):
#0  0x00007ffff7b8e69e in epoll_wait () at /lib64/libc.so.6
#1  0x00007fffe41cdc68 in impl_pollfd_wait () at /usr/lib64/spa-0.2/support/libspa-support.so
#2  0x00007fffe41c4674 in loop_iterate () at /usr/lib64/spa-0.2/support/libspa-support.so
#3  0x00007fffe44dc9e6 in do_loop () at /lib64/libpipewire-0.3.so.0
#4  0x00007ffff7a76299 in start_thread () at /lib64/libpthread.so.0
#5  0x00007ffff7b8e353 in clone () at /lib64/libc.so.6

Thread 11 (LWP 8600 "python"):
#0  0x00007ffff7b8e69e in epoll_wait () at /lib64/libc.so.6
#1  0x00007fffe41cdc68 in impl_pollfd_wait () at /usr/lib64/spa-0.2/support/libspa-support.so
#2  0x00007fffe41c4674 in loop_iterate () at /usr/lib64/spa-0.2/support/libspa-support.so
#3  0x00007fffe44a84b3 in do_loop () at /lib64/libpipewire-0.3.so.0
--Type <RET> for more, q to quit, c to continue without paging--
#4  0x00007ffff7a76299 in start_thread () at /lib64/libpthread.so.0
#5  0x00007ffff7b8e353 in clone () at /lib64/libc.so.6

Thread 5 (LWP 8592 "dconf worker"):
#0  0x00007ffff7b835bf in poll () at /lib64/libc.so.6
#1  0x00007fffe999947c in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#2  0x00007fffe9942c03 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fffe8a333ed in dconf_gdbus_worker_thread () at /usr/lib64/gio/modules/libdconfsettings.so
#4  0x00007fffe9973c32 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007ffff7a76299 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ffff7b8e353 in clone () at /lib64/libc.so.6

Thread 4 (LWP 8591 "gdbus"):
#0  0x00007ffff7b835bf in poll () at /lib64/libc.so.6
#1  0x00007fffe999947c in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#2  0x00007fffe9944a93 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007fffe96d9d5a in gdbus_shared_thread_func.lto_priv () at /lib64/libgio-2.0.so.0
#4  0x00007fffe9973c32 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007ffff7a76299 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ffff7b8e353 in clone () at /lib64/libc.so.6

Thread 3 (LWP 8590 "pipewiresrc0:sr"):
#0  0x00007ffff7a82a8a in __futex_abstimed_wait_common64 () at /lib64/libpthread.so.0
#1  0x00007ffff7a7c2c0 in pthread_cond_wait () at /lib64/libpthread.so.0
#2  0x00007fffe44dcefe in pw_thread_loop_wait () at /lib64/libpipewire-0.3.so.0
#3  0x00007fffe4548a05 in gst_pipewire_src_negotiate () at /usr/lib64/gstreamer-1.0/libgstpipewire.so
#4  0x00007fffe4364d02 in gst_base_src_negotiate_unlocked (basesrc=basesrc@entry=0x555555dfba80) at ../libs/gst/base/gstbasesrc.c:3442
#5  0x00007fffe43690ee in gst_base_src_loop (pad=0x555555e64180) at ../libs/gst/base/gstbasesrc.c:2867
#6  0x00007fffe5a25a17 in gst_task_func (task=0x555555e96050) at ../gst/gsttask.c:384
#7  0x00007fffe9976b24 in g_thread_pool_thread_proxy.lto_priv () at /lib64/libglib-2.0.so.0
#8  0x00007fffe9973c32 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#9  0x00007ffff7a76299 in start_thread () at /lib64/libpthread.so.0
#10 0x00007ffff7b8e353 in clone () at /lib64/libc.so.6

Thread 2 (LWP 8589 "gmain"):
#0  0x00007ffff7b835bf in poll () at /lib64/libc.so.6
#1  0x00007fffe999947c in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#2  0x00007fffe9942c03 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fffe9942c51 in glib_worker_main () at /lib64/libglib-2.0.so.0
#4  0x00007fffe9973c32 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007ffff7a76299 in start_thread () at /lib64/libpthread.so.0
--Type <RET> for more, q to quit, c to continue without paging--
#6  0x00007ffff7b8e353 in clone () at /lib64/libc.so.6

Thread 1 (LWP 8588 "python"):
#0  0x00007ffff7a82a8a in __futex_abstimed_wait_common64 () at /lib64/libpthread.so.0
#1  0x00007ffff7a7c2c0 in pthread_cond_wait () at /lib64/libpthread.so.0
#2  0x00007fffe44dcefe in pw_thread_loop_wait () at /lib64/libpipewire-0.3.so.0
#3  0x00007fffe4549617 in gst_pipewire_src_change_state () at /usr/lib64/gstreamer-1.0/libgstpipewire.so
#4  0x00007fffe59dbc39 in gst_element_change_state (element=element@entry=0x555555dfba80, transition=transition@entry=GST_STATE_CHANGE_READY_TO_PAUSED) at ../gst/gstelement.c:3076
#5  0x00007fffe59dc345 in gst_element_set_state_func (element=0x555555dfba80, state=GST_STATE_PAUSED) at ../gst/gstelement.c:3030
#6  0x00007fffe59b499c in gst_bin_element_set_state (next=GST_STATE_PAUSED, current=GST_STATE_READY, start_time=0 [0:00:00.000000000], base_time=0 [0:00:00.000000000], element=0x555555dfba80, bin=0x555555e6c100) at ../gst/gstbin.c:2609
#7  gst_bin_change_state_func (element=0x555555e6c100, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../gst/gstbin.c:2951
#8  0x00007fffe5a07b2b in gst_pipeline_change_state (element=0x555555e6c100, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../gst/gstpipeline.c:529
#9  0x00007fffe59dbc39 in gst_element_change_state (element=element@entry=0x555555e6c100, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../gst/gstelement.c:3076
#10 0x00007fffe59dbaca in gst_element_continue_state (element=element@entry=0x555555e6c100, ret=ret@entry=GST_STATE_CHANGE_SUCCESS) at ../gst/gstelement.c:2784
#11 0x00007fffe59dbc7f in gst_element_change_state (element=element@entry=0x555555e6c100, transition=transition@entry=GST_STATE_CHANGE_NULL_TO_READY) at ../gst/gstelement.c:3115
#12 0x00007fffe59dc345 in gst_element_set_state_func (element=0x555555e6c100, state=GST_STATE_PLAYING) at ../gst/gstelement.c:3030
#13 0x00007fffe9ab3c04 in ffi_call_unix64 () at /lib64/libffi.so.6
#14 0x00007fffe9ab3107 in ffi_call () at /lib64/libffi.so.6
#15 0x00007fffe984fddb in pygi_invoke_c_callable () at /usr/lib64/python3.9/site-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so
#16 0x00007fffe984e896 in _wrap_g_callable_info_invoke () at /usr/lib64/python3.9/site-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so
#17 0x00007fffe98435ce in _callable_info_call () at /usr/lib64/python3.9/site-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so
#18 0x00007ffff7d6ede7 in _PyObject_MakeTpCall () at /lib64/libpython3.9.so.1.0
#19 0x00007ffff7d6bcee in _PyEval_EvalFrameDefault () at /lib64/libpython3.9.so.1.0
#20 0x00007ffff7d73753 in function_code_fastcall () at /lib64/libpython3.9.so.1.0
#21 0x00007ffff7d66cc3 in _PyEval_EvalFrameDefault () at /lib64/libpython3.9.so.1.0
#22 0x00007ffff7d73753 in function_code_fastcall () at /lib64/libpython3.9.so.1.0
#23 0x00007ffff7d7ba92 in method_vectorcall () at /lib64/libpython3.9.so.1.0
#24 0x00007ffff7d69856 in _PyEval_EvalFrameDefault () at /lib64/libpython3.9.so.1.0
#25 0x00007ffff7d73753 in function_code_fastcall () at /lib64/libpython3.9.so.1.0
#26 0x00007ffff7d66cc3 in _PyEval_EvalFrameDefault () at /lib64/libpython3.9.so.1.0
#27 0x00007ffff7d73753 in function_code_fastcall () at /lib64/libpython3.9.so.1.0
#28 0x00007ffff7d72cce in object_vacall () at /lib64/libpython3.9.so.1.0
#29 0x00007ffff7de3c81 in PyObject_CallFunctionObjArgs () at /lib64/libpython3.9.so.1.0
#30 0x00007fffe9b2d97b in DBusPyConnection_HandleMessage () at /usr/lib64/python3.9/site-packages/_dbus_bindings.so
#31 0x00007fffe9b339dd in _filter_message () at /usr/lib64/python3.9/site-packages/_dbus_bindings.so
--Type <RET> for more, q to quit, c to continue without paging--
#32 0x00007fffe9ada2f5 in dbus_connection_dispatch () at /lib64/libdbus-1.so.3
#33 0x00007fffe9abab59 in message_queue_dispatch () at /usr/lib64/python3.9/site-packages/_dbus_glib_bindings.so
#34 0x00007fffe99454cf in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#35 0x00007fffe99994e8 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#36 0x00007fffe9944a93 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#37 0x00007fffe5dfd47d in gtk_main () at /lib64/libgtk-3.so.0
#38 0x00007fffe9ab3c04 in ffi_call_unix64 () at /lib64/libffi.so.6
#39 0x00007fffe9ab3107 in ffi_call () at /lib64/libffi.so.6
#40 0x00007fffe984fddb in pygi_invoke_c_callable () at /usr/lib64/python3.9/site-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so
#41 0x00007fffe984e896 in _wrap_g_callable_info_invoke () at /usr/lib64/python3.9/site-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so
#42 0x00007ffff7d7bdc8 in _PyObject_Call () at /lib64/libpython3.9.so.1.0
#43 0x00007ffff7d69856 in _PyEval_EvalFrameDefault () at /lib64/libpython3.9.so.1.0
#44 0x00007ffff7d656dd in _PyEval_EvalCode () at /lib64/libpython3.9.so.1.0
#45 0x00007ffff7d7345e in _PyFunction_Vectorcall () at /lib64/libpython3.9.so.1.0
#46 0x00007ffff7d6b73f in _PyEval_EvalFrameDefault () at /lib64/libpython3.9.so.1.0
#47 0x00007ffff7d656dd in _PyEval_EvalCode () at /lib64/libpython3.9.so.1.0
#48 0x00007ffff7de20e5 in _PyEval_EvalCodeWithName () at /lib64/libpython3.9.so.1.0
#49 0x00007ffff7de207d in PyEval_EvalCodeEx () at /lib64/libpython3.9.so.1.0
#50 0x00007ffff7de202f in PyEval_EvalCode () at /lib64/libpython3.9.so.1.0
#51 0x00007ffff7e0e2e4 in run_eval_code_obj () at /lib64/libpython3.9.so.1.0
#52 0x00007ffff7e0a566 in run_mod () at /lib64/libpython3.9.so.1.0
#53 0x00007ffff7ce221a in pyrun_file.cold () at /lib64/libpython3.9.so.1.0
#54 0x00007ffff7e04ac3 in PyRun_SimpleFileExFlags () at /lib64/libpython3.9.so.1.0
#55 0x00007ffff7e01ec8 in Py_RunMain () at /lib64/libpython3.9.so.1.0
#56 0x00007ffff7dd4add in Py_BytesMain () at /lib64/libpython3.9.so.1.0
#57 0x00007ffff7ab5b75 in __libc_start_main () at /lib64/libc.so.6
#58 0x000055555555509e in _start ()