Re: CDC-ACM driver can't communicate with Windows CE Satellite Phone - Could be an MS Active Sync issue ?

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Am Donnerstag, 31. Mai 2012, 06:00:42 schrieb Ashok Rao:
> I also changed ehci.h to set the XacErr retry limit to 1 and rebuilt
> the kernel  - but that did not fix the hung problem and lack of
> response.
> 
> Previous emails from Alan Stern on the XactErrs have indicated the
> possibility of a  hardware/software error in the usb device
> controller.  All I can say is that the same behaviour has been seen in
> 2 phones - of course it is possible that the mfgr's implementation is
> faulty and just happens to work against Windows hosts.

This needs to be ruled out. Are you on a system that has a physical OHCI
or UHCI controller? If so, please unload ehci_hcd so that the bus falls
back to the old controller.

	Regards
		Oliver
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