I already installed latest release of KXStudio with 3.8.0-28-lowlatency
#20-Ubuntu SMP PREEMPT.
My FastTrack C400 is now recognised by alsa but still doesn't works.
The Jack message tells :
Wed Aug 14 12:04:45 2013: Starting jack server...
Wed Aug 14 12:04:45 2013: JACK server starting in realtime mode with
priority 85
Wed Aug 14 12:04:45 2013: Acquired audio card Audio0
Wed Aug 14 12:04:45 2013: creating alsa driver ...
hw:C400,0|hw:C400,0|1024|2|48000|2|4|hwmon|swmeter|-|32bit
Wed Aug 14 12:04:45 2013: Using ALSA driver USB-Audio running on card 0
- M-Audio Fast Track C400 at usb-0000:00:14.0-2, high speed
Wed Aug 14 12:04:45 2013: configuring for 48000Hz, period = 1024 frames
(21.3 ms), buffer = 2 periods
Wed Aug 14 12:04:45 2013: ALSA: final selected sample format for
capture: 24bit little-endian
Wed Aug 14 12:04:45 2013: ERROR: ALSA: cannot set channel count to 2 for
capture
Wed Aug 14 12:04:45 2013: ERROR: ALSA: cannot configure capture channel
Wed Aug 14 12:04:45 2013: ERROR: Cannot initialize driver
Wed Aug 14 12:04:45 2013: ERROR: JackServer::Open failed with -1
Wed Aug 14 12:04:45 2013: ERROR: Failed to open server
I also modified alsa-base.conf by commenting the line options
snd-usb-audio index = -2
Thanks
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