back from subgraph poll, revents = 0x1 jack: 2964:593055029 engine.c:jack_process_external:793: reading byte from subgraph_wait_fd==14 jack: [New Thread 0xb5cb0b90 (LWP 2965)] 2964:593055036 engine.c:jack_engine_freewheel:2003: release graph lock jack: 2945:593055075 engine.c:handle_external_client_request:1412: release graph lock jack: 2945:593055081 engine.c:do_request:1218: got a request of type 18 freewheeling stopped, waiting for thread freewheel came to an end, naturally freewheel thread has returned jack: 2945:593067035 engine.c:jack_deliver_event_to_all:2411: acquiring graph read lock jack: 2945:593067045 engine.c:jack_deliver_event:2454: delivering event (type 10) jack: 2945:593067049 engine.c:jack_deliver_event:2467: client alsa_pcm is still alive jack: 2945:593067052 engine.c:jack_deliver_event:2631: event delivered jack: 2945:593067056 engine.c:jack_deliver_event:2454: delivering event (type 10) jack: 2945:593067062 engine.c:jack_deliver_event:2467: client ardour is still alive jack: 2945:593067065 engine.c:jack_deliver_event:2523: engine writing on event fd client event poll on 16 for ardour starts at 593067077 jack: 2945:593067189 engine.c:jack_deliver_event:2558: back from client event poll, revents = 0x1 back from client event poll after 117 usecs jack: 2945:593067196 engine.c:jack_deliver_event:2574: client event poll ok! jack: 2945:593067201 engine.c:jack_deliver_event:2631: event delivered jack: 2945:593067204 engine.c:jack_deliver_event_to_all:2417: release graph lock ^Cjack main caught signal 2 starting server engine shutdown stopping driver ^C Program received signal SIGINT, Interrupt. [Switching to Thread 0xb7e7e6b0 (LWP 2941)] 0xb80111b4 in __lll_lock_wait () from /lib/libpthread.so.0 (gdb) thread apply all bt Thread 7 (Thread 0xb5cb0b90 (LWP 2965)): #0 0xb80111b4 in __lll_lock_wait () from /lib/libpthread.so.0 #1 0xb800c9e5 in _L_lock_89 () from /lib/libpthread.so.0 #2 0xb800c2f2 in pthread_mutex_lock () from /lib/libpthread.so.0 #3 0xb803e400 in jack_driver_nt_thread (arg=0x804de40) at #../libjack/driver.c:117 #4 0xb800af3b in start_thread () from /lib/libpthread.so.0 #5 0xb7f4ab6e in clone () from /lib/libc.so.6 Thread 3 (Thread 0xb759bb90 (LWP 2945)): #0 0xb80111b4 in __lll_lock_wait () from /lib/libpthread.so.0 #1 0xb800c9e5 in _L_lock_89 () from /lib/libpthread.so.0 #2 0xb800c2f2 in pthread_mutex_lock () from /lib/libpthread.so.0 #3 0xb802efc3 in do_request (engine=0x8060ab0, req=0xb75985a6, #reply_fd=0x0) at engine.c:1216 #4 0xb802f5ac in internal_client_request (ptr=0x8060ab0, #request=0xb75985a6) at engine.c:1356 #5 0xb803a163 in jack_client_deliver_request (client=0x8064db0, #req=0xb75985a6) at ../libjack/client.c:276 #6 0xb803f5f3 in jack_port_register (client=0x8064db0, port_name=0x80a55a8 #"ardour/midi_capture_1", port_type=0xb807709d "8 bit raw midi", flags=2, #buffer_size=0) at ../libjack/port.c:250 #7 0xb807386a in port_create (self=0x804d5d8, type=0, addr={client = 129 '\201', port = 0 '\0'}, info=0xb7599b90) at ../alsa-midi/alsa_seqmidi.c:512 #8 0xb8073b14 in update_port_type (self=0x804d5d8, type=0, addr={client = 129 '\201', port = 0 '\0'}, caps=99, info=0xb7599b90) at #../alsa-midi/alsa_seqmidi.c:565 #9 0xb8073b97 in update_port (self=0x804d5d8, addr={client = 129 '\201', #port = 0 '\0'}, info=0xb7599b90) at ../alsa-midi/alsa_seqmidi.c:577 #10 0xb8073f2c in add_existing_ports (self=0x804d5d8) at #../alsa-midi/alsa_seqmidi.c:650 #11 0xb80732f1 in alsa_seqmidi_start (m=0x804d5d8) at #../alsa-midi/alsa_seqmidi.c:364 #12 0xb8068f6e in alsa_driver_start (driver=0x804de40) at alsa_driver.c:1003 #13 0xb803e537 in jack_driver_nt_start (driver=0x804de40) at #../libjack/driver.c:161 #14 0xb80312fd in jack_stop_freewheeling (engine=0x8060ab0) at engine.c:2083 #15 0xb802f29f in do_request (engine=0x8060ab0, req=0xb7599ebe, #reply_fd=0xb7599eb8) at engine.c:1304 #16 0xb802f760 in handle_external_client_request (engine=0x8060ab0, fd=15) #at engine.c:1413 #17 0xb802fe74 in jack_server_thread (arg=0x8060ab0) at engine.c:1563 #18 0xb800af3b in start_thread () from /lib/libpthread.so.0 #19 0xb7f4ab6e in clone () from /lib/libc.so.6 Thread 2 (Thread 0xb7e7db90 (LWP 2944)): #0 0xb800e8f0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0xb803eee4 in mb_thread_func (arg=0x0) at ../libjack/messagebuffer.c:70 #2 0xb800af3b in start_thread () from /lib/libpthread.so.0 #3 0xb7f4ab6e in clone () from /lib/libc.so.6 Thread 1 (Thread 0xb7e7e6b0 (LWP 2941)): #0 0xb80111b4 in __lll_lock_wait () from /lib/libpthread.so.0 #1 0xb800c9e5 in _L_lock_89 () from /lib/libpthread.so.0 #2 0xb800c2f2 in pthread_mutex_lock () from /lib/libpthread.so.0 #3 0xb803e5ad in jack_driver_nt_do_stop (driver=0x804de40, run=1) at #../libjack/driver.c:181 #4 0xb803e67e in jack_driver_nt_stop (driver=0x804de40) at #../libjack/driver.c:206 #5 0xb8031f09 in jack_engine_delete (engine=0x8060ab0) at engine.c:2329 #6 0x0804a26e in jack_main (driver_desc=0x804e8f8, driver_params=0x804e1f8) #at jackd.c:217 #7 0x0804afa1 in main (argc=13, argv=0xbfb99204) at jackd.c:728 (gdb)