it's lastest firmware version. it's possible determine what it is - linux-related problem, firmware problem or any hradware prolem?
The symptom you gave is of a firmware bug. The vendor should of course fix such bugs, because they warrantied that their product would work. In the US, you'd at least be able to get your money back from the vendor.
DB> The good news is that it looks like 2.6.6 will have almost all DB> the infrastructure needed to start really fixing the problems DB> with the usb_reset_device() call.
this work must be in kernel or in user space?
Kernel. There'd be patches to the reset code, and patches to the ACM driver to try coping with the lockup.
I don't think "coping" could be any better than concluding the device is locked up, and then restarting it. You'd at least lose the current connection.
- Dave
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