[LAU] hdsp emergency

Hi list - i have an installation that's been running for a week and has suddenly failed. Uses ubuntu 11.10 and a hdsp/multiface setup. What is happening is Jack is failing to start There is a "D-BUS: JACK server could not be started" error when QjackCtl is launched and within the messages window there are the following errors/messages: 12:27:20.152 Patchbay activated. 12:27:20.155 Statistics reset. 12:27:20.166 ALSA connection change. 12:27:20.174 D-BUS: Service is available (org.jackaudio.service aka jackdbus). 12:27:20.261 D-BUS: JACK server could not be started. Sorry Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started 12:27:20.291 ALSA connection graph change. Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: driver "alsa" selected Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Saving settings to "/home/iain/.config/jack/conf.xml" ... Sat Jul 28 12:27:20 2012: Starting jack server... Sat Jul 28 12:27:20 2012: JACK server starting in non-realtime mode Sat Jul 28 12:27:20 2012: ERROR: Failed to acquire device name : Audio2 error : Input/output error Sat Jul 28 12:27:20 2012: ERROR: Audio device hw:DSP cannot be acquired, trying to open it anyway... Sat Jul 28 12:27:20 2012: creating alsa driver ... hw:DSP|hw:DSP|4096|2| 96000|0|0|nomon|swmeter|-|32bit Sat Jul 28 12:27:20 2012: configuring for 96000Hz, period = 4096 frames (42.7 ms), buffer = 2 periods Sat Jul 28 12:27:20 2012: ALSA: final selected sample format for capture: 32bit integer little-endian Sat Jul 28 12:27:20 2012: ALSA: use 2 periods for capture Sat Jul 28 12:27:20 2012: ERROR: ALSA: cannot set hardware parameters for capture Sat Jul 28 12:27:20 2012: ERROR: ALSA: cannot configure capture channel Sat Jul 28 12:27:20 2012: ERROR: Cannot initialize driver Sat Jul 28 12:27:20 2012: ERROR: JackServer::Open() failed with -1 Sat Jul 28 12:27:20 2012: ERROR: Failed to open server 12:27:21.648 ALSA active patchbay scan... 12:27:23.650 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info. Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started ________________ Can anyone please help me resolve this quickly? You'll get a "thanks" on my website!! Cheers, Iain