Dear Jean-Michel Pouré
2012/2/19 Jean-Michel Pouré - GOOZE <[email protected]>:
> You can test it using a Debian SID station.
Yes, I can reproduce the result using Debian wheezy (amd64) on VMware
Player. It seems to be kernel problem. The driver sending a command to
control endpoint to get a list of supported data rates from the
reader. The response from APG8201 will make libusb crash.
src/ccid_usb.c
Line 742: usbDevice[reader_index].ccid.arrayOfSupportedDataRates =
get_data_rates(reader_index, dev, num);
You can change it in order to avoid the problem.
>From CCID spec:
bNumDataRatesSupported: If the value is 00h, all data rates between
the default data rate dwDataRate and the maximum data rate
dwMaxDataRate are supported.
if (usb_interface->altsetting->extra[27] == 0)
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = NULL;
else
usbDevice[reader_index].ccid.arrayOfSupportedDataRates =
get_data_rates(reader_index, dev, num);
Regards
Godfrey
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