On Tue, Nov 25, 2014 at 2:42 AM, Richard Bryan <rabr...@lucidsci.com> wrote:
> Hi Wander,
>
> I ran with PYUSB_DEBUG=debug and encountered the error.  The log text when
> the error occurred is here:
>
> http://pastebin.com/kmqSrek9
>
> Its the pyusb debug log intermingled with my program's logging information
> as well.  The first "Access Denied" error occurs at line 1527.  There are
> also a bunch '[Errno 10060] Operation timed out' errors that occur leading
> up to the access denied error.  Just looking at the pyusb log messages
> around the time the errors are reported by my program, I didn't see anything
> that looked relevant...
>

You should probably ask in the libusb mailing list. Right now I can not
access your pastebin message but sometimes it is caused by the
device problem (device hangs and lost on the USB bus).

Please also make sure you are using libusb-1.0.19 which is the
latest release version.



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Xiaofan

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