Re: [pyusb-users] pyusb1 picks wrong driver on Windows

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<div>Hi, Tormod</div>

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<div>This is the crashdump :</div>

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C:&#92;Portable&#92;wdso&gt;python wdso.py<br/>
<br/>
wdso 0.9.8<br/>
found productId 0x0834<br/>
[Errno 5] Input/output error<br/>
Process USB_server:<br/>
Traceback (most recent call last):<br/>
File &quot;C:&#92;Python27&#92;lib&#92;multiprocessing&#92;process.py&quot;, line 258, in _bootstrap<br/>
self.run()<br/>
File &quot;C:&#92;Python27&#92;lib&#92;multiprocessing&#92;process.py&quot;, line 114, in run<br/>
self._target(*self._args, **self._kwargs)<br/>
File &quot;C:&#92;Portable&#92;wdso&#92;wdso.py&quot;, line 5019, in createUSBProcess<br/>
USBProcess = USB(USBQ,ScopeQ,DiagQ,PID,BUS,DEV)<br/>
File &quot;C:&#92;Portable&#92;wdso&#92;wdso.py&quot;, line 3563, in __init__<br/>
self.device_init()<br/>
File &quot;C:&#92;Portable&#92;wdso&#92;wdso.py&quot;, line 3631, in device_init<br/>
self.device.ctrl_transfer(0x42,0xb1,0xdc,0,None); sleep(0.02)<br/>
File &quot;C:&#92;Python27&#92;lib&#92;site-packages&#92;usb&#92;core.py&quot;, line 1043, inctrl_transfer<br/>
self.__get_timeout(timeout))<br/>
File &quot;C:&#92;Python27&#92;lib&#92;site-packages&#92;usb&#92;backend&#92;libusb1.py&quot;, line 883,in ctrl_transfer timeout))<br/>
File &quot;C:&#92;Python27&#92;lib&#92;site-packages&#92;usb&#92;backend&#92;libusb1.py&quot;, line 595,<br/>
in _check<br/>
raise USBError(_strerror(ret), ret, _libusb_errno[ret])<br/>
USBError: [Errno 5] Input/output error<br/>
finished<br/>
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C:&#92;Portable&#92;wdso&gt;<br/>
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Sincerely Hermann</div>

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