GNU gdb (GDB) 7.0.1-debian Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i486-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /home/rgareus/src/git/tschack/jackd/.libs/jackd...done. (gdb) run Starting program: /home/rgareus/src/git/tschack/jackd/.libs/jackd -r -v -dalsa -dhw:2 -r48000 -p1024 -n3 [Thread debugging using libthread_db enabled] tschack 0.120.1 Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn and others. jackd comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details Memory locking is unlimited - this is dangerous. You should probably alter the line: @audio - memlock unlimited in your /etc/limits.conf to read: @audio - memlock 1938990 getting driver descriptor from /home/rgareus/src/git/tschack/drivers/alsa/.libs//jack_alsa.so JACK compiled with System V SHM support. server `default' registered registered builtin port type 32 bit float mono audio registered builtin port type 8 bit raw midi clock source = system clock via clock_gettime loading driver .. start poll on 3 fd's [New Thread 0xb7dbab70 (LWP 9070)] [New Thread 0xb75b9b70 (LWP 9071)] apparent rate = 48000 creating alsa driver ... hw:2|hw:2|1024|3|48000|0|0|nomon|swmeter|-|32bit new client: alsa_pcm, id = 0 type 1 @ 0x8050f48 fd = -1 control device hw:2 configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 3 periods ALSA: final selected sample format for capture: 24bit little-endian ALSA: use 3 periods for capture ALSA: final selected sample format for playback: 24bit little-endian ALSA: use 3 periods for playback new buffer size 1024 resizing port buffer segment for type 0, one buffer = 4096 bytes resizing port buffer segment for type 1, one buffer = 4096 bytes new buffer size 1024 resizing port buffer segment for type 0, one buffer = 4096 bytes resizing port buffer segment for type 1, one buffer = 4096 bytes registered port system:capture_1, offset = 4096 registered port system:capture_2, offset = 8192 registered port system:playback_1, offset = 0 registered port system:playback_2, offset = 0 activating client alsa_pcm ++ jack_sort_graph ++ jack_rechain_graph(): chain 1 +++ client is now alsa_pcm active ? 1 port system:playback_2 activation_count=0 port system:playback_1 activation_count=0 chain swap triggered... 1 -- jack_rechain_graph() -- jack_sort_graph 9067 waiting for signals ======= chain switch nextchain: 1 getting lock... load = 0.1359 max usecs: 58.000, spare = 21275.000 load = 0.2086 max usecs: 60.000, spare = 21273.000 load = 0.1699 max usecs: 28.000, spare = 21305.000 ################################################################# DEVICE UNPLUG **** alsa_pcm: xrun of at least 0.036 msecs **** alsa_pcm: xrun of at least 0.031 msecs **** alsa_pcm: xrun of at least 0.061 msecs ALSA: prepare error for playback on "hw:2" (Broken pipe) DRIVER NT: could not run driver cycle stopping driver detaching driver jack main caught signal 12 starting server engine shutdown stopping driver unloading driver server thread back from poll [New Thread 0xb6a97b70 (LWP 9072)] [Thread 0xb75b9b70 (LWP 9071) exited] freeing shared port segments stopping server thread last xrun delay: 31.000 usecs max delay reported by backend: 36.000 usecs freeing engine shared memory max usecs: 761.000, engine deleted cleaning up shared memory cleaning up files unregistering server `default' [Thread 0xb6a97b70 (LWP 9072) exited] [Thread 0xb7dbab70 (LWP 9070) exited] Program exited normally. (gdb)