Howdy.  I'll hold my frustration inside but I wanted to let people know that 
despite a report to the contrary on the linux-usb site, the Edirol UA-1X does 
not appear to function with Alsa.  

Under kernel 2.6.1 the device actually causes a hang both on boot and shutdown 
where whatever snd-usb-audio is doing results in a refusal to let go of 
resources.  Sometimes unplugging and then replugging the device will let it 
resume but not always.

As a side note, My Toshiba digital camera which works like a dream with 2.4.* 
also has hang troubles with 2.6.1.  Hopefully the Linux USB folks rethink 
their obviously broken compliance enforcement routine and just add in some 
enumeration routines since it appears that more stuff does not work than 
does.  At least my BJC-3000 doesn't cause any issues.

2.4.24 lets the system boot and cat /proc/bus/usb/devices sort of functions 
but it is VERY slow to do so and the output looks mangled to me for a unit 
with only six possible devices max (analog in, analog out, SPDIF out).  I 
noticed that the listed output at the device listings looked mangled too so 
whoever listed this initially appears not to have realized that things were 
FUBAR:

http://www.qbik.ch/usb/devices/showdev.php?id=2327

Note: I adjusted the listing to show the correct status of not working since 
both the original poster and myself showed negative experiences (which this 
was listed as fully working initially is hard to say).

So avoid the M-Audio USB Audiophile and Edirol UA-1X.  

Hopefully I can still return this sucker.  Do I really have to go with a crap 
blaster to use a sub $500 USB sound device with Linux?

Cheers

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