Hi all, I wondered if anyone could help me. I'm having problems starting JACK from Qjackctl. I'm running a current PlanetCCRMA FC3 setup, and my soundcard is an RME DIGI9636. I have appended the output which I get in Qjackctl's "messages". Does anyone have any ideas? Thanks Michael Nelson -- 14:01:12.797 Patchbay deactivated. 14:01:13.655 Statistics reset. 14:01:13.801 MIDI connection graph change. 14:01:14.134 MIDI connection change. 14:01:14.135 MIDI connection graph change. 14:12:44.803 Startup script... 14:12:44.803 artsshell -q terminate 14:12:45.267 Startup script terminated with exit status=256. 14:12:45.327 JACK is starting... 14:12:45.328 /usr/bin/jackd -v -R -dalsa -dhw:1,0 -r48000 -p512 -n2 14:12:45.338 JACK was started with PID=20739 (0x5103). cannot write to jackstart sync pipe 4 (Bad file descriptor) jackd: wait for startup process exit failed getting driver descriptor from /usr/lib/jack/jack_oss.so getting driver descriptor from /usr/lib/jack/jack_dummy.so getting driver descriptor from /usr/lib/jack/jack_alsa.so jackd 0.99.36 Copyright 2001-2003 Paul Davis 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 JACK compiled with System V SHM support. server `default' registered cannot lock down memory for jackd (Cannot allocate memory) loading driver .. apparent rate = 48000 creating alsa driver ... hw:1,0|hw:1,0|512|2|48000|0|0|nomon|swmeter|-|32bit control device hw:1 configuring for 48000Hz, period = 512 frames, buffer = 2 periods nperiods = 2 for capture nperiods = 2 for playback registered builtin port type 32 bit float mono audio required capabilities not available capabilities: = new client: alsa_pcm, id = 1 type 1 @ 0x805aa68 fd = -1 new buffer size 512 JACK: unable to mlock() port buffers: Cannot allocate memory registered port alsa_pcm:capture_1, offset = 2048 registered port alsa_pcm:capture_2, offset = 4096 registered port alsa_pcm:capture_3, offset = 6144 registered port alsa_pcm:capture_4, offset = 8192 registered port alsa_pcm:capture_5, offset = 10240 registered port alsa_pcm:capture_6, offset = 12288 registered port alsa_pcm:capture_7, offset = 14336 registered port alsa_pcm:capture_8, offset = 16384 registered port alsa_pcm:capture_9, offset = 18432 registered port alsa_pcm:capture_10, offset = 20480 registered port alsa_pcm:capture_11, offset = 22528 registered port alsa_pcm:capture_12, offset = 24576 registered port alsa_pcm:capture_13, offset = 26624 registered port alsa_pcm:capture_14, offset = 28672 registered port alsa_pcm:capture_15, offset = 30720 registered port alsa_pcm:capture_16, offset = 32768 registered port alsa_pcm:capture_17, offset = 34816 registered port alsa_pcm:capture_18, offset = 36864 registered port alsa_pcm:playback_1, offset = 0 registered port alsa_pcm:playback_2, offset = 0 registered port alsa_pcm:playback_3, offset = 0 registered port alsa_pcm:playback_4, offset = 0 registered port alsa_pcm:playback_5, offset = 0 registered port alsa_pcm:playback_6, offset = 0 registered port alsa_pcm:playback_7, offset = 0 registered port alsa_pcm:playback_8, offset = 0 registered port alsa_pcm:playback_9, offset = 0 registered port alsa_pcm:playback_10, offset = 0 registered port alsa_pcm:playback_11, offset = 0 registered port alsa_pcm:playback_12, offset = 0 registered port alsa_pcm:playback_13, offset = 0 registered port alsa_pcm:playback_14, offset = 0 registered port alsa_pcm:playback_15, offset = 0 registered port alsa_pcm:playback_16, offset = 0 registered port alsa_pcm:playback_17, offset = 0 registered port alsa_pcm:playback_18, offset = 0 ++ jack_rechain_graph(): client alsa_pcm: internal client, execution_order=0. -- jack_rechain_graph() jack_create_thread: error -1 switching current thread to rt for inheritance: Unknown error 4294967295 cannot start watchdog thread cannot load driver module alsa starting server engine shutdown 14:12:47.397 Could not connect to JACK server as client. could not attach as JACK client (server has exited) stopping driver 14:12:47.710 JACK was stopped successfully. --