The lock seems to be occure in pulse: Running gnome-shell inside gdb, show that backtrace:
Program received signal SIGINT, Interrupt. 0x00007ffff3a2d2b7 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 (gdb) bt #0 0x00007ffff3a2d2b7 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007fffee98b7a0 in pa_threaded_mainloop_wait () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #2 0x00007fffe34cc962 in pulse_driver_play () from /usr/lib/libcanberra-0.28/libcanberra-pulse.so #3 0x00007ffff4f6445b in ca_context_play_full () from /usr/lib/libcanberra.so.0 #4 0x00007ffff4f647af in ca_context_play () from /usr/lib/libcanberra.so.0 #5 0x00007ffff743bce4 in meta_workspace_activate_with_focus () from /usr/lib/libmutter.so.0 #6 0x00007ffff517a7bc in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.5 #7 0x00007ffff517a237 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.5 #8 0x00007ffff71abf45 in ?? () from /usr/lib/libgjs.so.0 #9 0x00007ffff71acfb0 in ?? () from /usr/lib/libgjs.so.0 #10 0x00007ffff6cc5540 in ?? () from /usr/lib/libmozjs.so.8d #11 0x00007ffff6cba8f2 in ?? () from /usr/lib/libmozjs.so.8d #12 0x00007ffff6cc5490 in ?? () from /usr/lib/libmozjs.so.8d #13 0x00007ffff6c949f0 in ?? () from /usr/lib/libmozjs.so.8d #14 0x00007ffff6cc54d3 in ?? () from /usr/lib/libmozjs.so.8d #15 0x00007ffff6cc5b87 in ?? () from /usr/lib/libmozjs.so.8d #16 0x00007ffff6c3e2b1 in JS_CallFunctionValue () from /usr/lib/libmozjs.so.8d #17 0x00007ffff719ff0c in gjs_call_function_value () from /usr/lib/libgjs.so.0 #18 0x00007ffff71aa8fd in gjs_closure_invoke () from /usr/lib/libgjs.so.0 #19 0x00007ffff71b3ba9 in ?? () from /usr/lib/libgjs.so.0 #20 0x00007fffee718804 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #21 0x00007fffee72a78a in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #22 0x00007fffee733e11 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #23 0x00007fffee733fb2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #24 0x00007ffff7b7ad69 in ?? () from /usr/lib/gnome-shell/libgnome-shell.so #25 0x00007ffff7417c78 in ?? () from /usr/lib/libmutter.so.0 #26 0x00007ffff7418e4c in meta_display_process_key_event () from /usr/lib/libmutter.so.0 #27 0x00007ffff740d75b in ?? () from /usr/lib/libmutter.so.0 #28 0x00007ffff7457ef6 in ?? () from /usr/lib/libmutter.so.0 #29 0x00007ffff079a7f1 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 #30 0x00007ffff079a94b in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 #31 0x00007ffff07728d1 in gdk_display_get_event () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 #32 0x00007ffff079a692 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 #33 0x00007fffee04b0cf in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #34 0x00007fffee04b8c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #35 0x00007fffee04be02 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #36 0x00007ffff741a691 in meta_run () from /usr/lib/libmutter.so.0 #37 0x0000000000402c61 in main () (gdb) run The program being debugged has been started already. Start it from the beginning? (y or n) y Starting program: /usr/bin/gnome-shell --replace -- Jean Schurger http://schurger.org (broken) 030A C5CB 269B E2DB FE8A F6FE 2749 CC01 AFBA 3712
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