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SubjectRe: ACM USB modem on Kernel 2.6.0-test
> usb 3-3: configuration #1 chosen from 2 choices
> drivers/usb/class/cdc-acm.c: need inactive config #2
> drivers/usb/class/cdc-acm.c: need inactive config #2

Until we get more intelligence somewhere, do this:

# cd /sys/bus/usb/devices/3-3
# echo '2' > bConfigurationValue
#

That makes the device use vendor-neutral protocols
to talk to the host, not MSFT-proprietary ones. (It's
important to use the numbers from those messages; they
will change if you use different USB ports.)

Hmm ... maybe usbcore would be better off with a less
naive algorithm for choosing defaults. Like, preferring
configurations without proprietary device protocols.
That'd solve every cdc-acm case, and likely others.

- Dave


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