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Yubico Neo: InterruptRead hangs #52

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frankmorgner opened this issue Jan 29, 2018 · 1 comment
Open

Yubico Neo: InterruptRead hangs #52

frankmorgner opened this issue Jan 29, 2018 · 1 comment

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@frankmorgner
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I was debugging an OpenSC feature to cope with multiple applets on a single token. Unfortunately the card (i.e. token) hangs while pcscd is expecting a response from InterruptRead during a communication to the PIV applet (pcscd-log.txt, lsusb.txt). I'm using Debian's PCSC-Lite 1.8.20-1 and libccid 1.4.26-1.

I can reproduce the behavior reliably, which persists since I've stopped a gdb session that locked a token with SCardBeginTransaction without calling SCardEndTransaction (though I'm not sure whether locking is the root cause of the problem).
@frankmorgner
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I forgot to mention that unplugging the token or restart pcscd makes the token available again. However, executing the same commands causes the problem, again.

@frankmorgner frankmorgner mentioned this issue Jan 29, 2018
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