I'm trying to get g_serial working with pxa27x_udc, based off of the
handhelds.org 2.6.15 cvs.  g_serial loads without error, I get no communication
between my device and my Linux host. 
Using the gadget_serial.txt instructions in the kernel, I created the 127,0
device on the target and setup minicom on both machines. An lsusb on the host
shows the device as a Netchip Technology, vendor 0x525 and product of 0xa4a6,
or 0xa4a7 if use_acm is set when I load g_serial. 
I'm matching to the correct host side device (ttyUSB0/ttyACM0) depending on
whether acm is set. Regardless I'm getting no output in minicom in either
direction. Also no errors or dmesg output when I attempt to communicate. I've
tried just cat redirection as well with the same lack of result.
I'm looking for suggestions on how to debug this. Is it time to start throwing
printk statements into the driver, and if so where is a good starting point?

Thanks,

Richard

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