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I have a 6ch C-Media CMI8738 (model 55) at 0x7000, irq 17 and I get jack to work but it only sees 2 outputs even though the sound is coming out of 4 speakers. I also get DJPlay to work but can't configure cue monitor outputs because I only have two playback channels to connect to. Here is the message log for Jack when I start it

21:34:45.940 Patchbay deactivated.
21:34:46.107 Statistics reset.
21:34:46.783 D-BUS: Service is available (org.jackaudio.service aka jackdbus).
21:34:46.859 Startup script...
21:34:46.860 artsshell -q terminate
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
21:34:46.882 ALSA connection graph change.
sh: artsshell: not found
21:34:47.297 Startup script terminated with exit status=32512.
21:34:47.669 D-BUS: JACK server is starting...
21:34:47.704 D-BUS: JACK server was started (org.jackaudio.service aka jackdbus).
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: driver "alsa" selected
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Saving settings to "/home/gilles/.config/jack/conf.xml" ...
Mon Nov 22 21:34:47 2010: Starting jack server...
Mon Nov 22 21:34:47 2010: JACK server starting in non-realtime mode
Mon Nov 22 21:34:47 2010: Acquired audio card Audio0
Mon Nov 22 21:34:47 2010: creating alsa driver ... hw:0|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit
Mon Nov 22 21:34:47 2010: Using ALSA driver CMI8738-MC6 running on card 0 - C-Media CMI8738 (model 55) at 0x7000, irq 17
Mon Nov 22 21:34:47 2010: configuring for 44100Hz, period = 1024 frames (23.2 ms), buffer = 2 periods
Mon Nov 22 21:34:47 2010: ALSA: final selected sample format for capture: 16bit little-endian
Mon Nov 22 21:34:47 2010: ALSA: use 2 periods for capture
Mon Nov 22 21:34:47 2010: ALSA: final selected sample format for playback: 16bit little-endian
Mon Nov 22 21:34:47 2010: ALSA: use 2 periods for playback
Mon Nov 22 21:34:47 2010: graph reorder: new port 'system:capture_1'
Mon Nov 22 21:34:47 2010: New client 'system' with PID 0
Mon Nov 22 21:34:47 2010: graph reorder: new port 'system:capture_2'
Mon Nov 22 21:34:47 2010: graph reorder: new port 'systemlayback_1'
Mon Nov 22 21:34:47 2010: graph reorder: new port 'systemlayback_2'
21:34:47.950 ALSA connection change.
21:34:47.978 ALSA connection graph change.
21:34:50.007 Server configuration saved to "/home/gilles/.jackdrc".
21:34:50.014 Statistics reset.
21:34:50.041 Client activated.
21:34:50.043 JACK connection change.
21:34:50.126 JACK connection graph change.
Mon Nov 22 21:34:49 2010: New client 'qjackctl' with PID 1329

Here is more info

gilles@gilles-IBM:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: CMI8738 [C-Media CMI8738], device 0: CMI8738-MC6 [C-Media PCI DAC/ADC]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: CMI8738 [C-Media CMI8738], device 1: CMI8738-MC6 [C-Media PCI 2nd DAC]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: CMI8738 [C-Media CMI8738], device 2: CMI8738-MC6 [C-Media PCI IEC958]
Subdevices: 1/1
Subdevice #0: subdevice #0
gilles@gilles-IBM:~$

gilles@gilles-IBM:~$ sudo lshw -C multimedia
[sudo] password for gilles:
*-multimedia
description: Multimedia audio controller
product: CM8738
vendor: C-Media Electronics Inc
physical id: 1
bus info: pci@0000:02:01.0
version: 10
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: driver=C-Media PCI latency=32 maxlatency=24 mingnt=2
resources: irq:17 ioport:7000(size=256)
gilles@gilles-IBM:~$

Pleas help me to configure Jack to recognize all output channels so I can have two master outputs and two headphone outputs for cueing.