I've noticed that pcscd locks up after several minutes of activity using
Mozilla 1.0. Not sure what causes it but the "workaround" is to
force-quit Mozilla, unplug the reader and plug it back in.

The reader is a gemplus 430PC, CAC card on mac OS X.1.5

Any clues what causes this or how to help troubleshoot this?

Here's the output of pcscd when this happens:

    src/winscard.c:1000 SCardEndTransaction: Status: 0.
    src/winscard.c:833 SCardBeginTransaction: Status: 0.
    src/winscard.c:1267 SCardTransmit: Send Protocol: 0
    src/winscard.c:1267 SCardTransmit: Send Protocol: 0
    src/winscard.c:1267 SCardTransmit: Send Protocol: 0
    src/winscard.c:1000 SCardEndTransaction: Status: 0.
    src/eventhandler.c:318 EHSpawnEventHandler: Error communicating to:
    GemPC430 0 0
    src/winscard.c:649 SCardDisconnect: Active Contexts: 1
    src/eventhandler.c:318 EHSpawnEventHandler: Error communicating to:
    GemPC430 0 0
    src/winscard.c:709 SCardDisconnect: Error resetting card.
    src/eventhandler.c:318 EHSpawnEventHandler: Error communicating to:
    GemPC430 0 0
    src/winscard.c:88 SCardReleaseContext: Releasing Context: 17006134
    src/pcscdaemon.c:141 SVCServiceRun: Client 6 has disappeared.
    src/eventhandler.c:117 EHDestroyEventHandler: Stomping thread.
    src/eventhandler.c:318 EHSpawnEventHandler: Error communicating to:
    GemPC430 0 0
    src/eventhandler.c:142 EHDestroyEventHandler: Thread stomped.
    src/readerfactory.c:1367 RFUninitializeReader: Attempting shutdown
    of GemPC430 0 0.
    src/readerfactory.c:1190 RFUnloadReader: Unloading reader driver.
    src/readerfactory.c:1317 RFInitializeReader: Attempting startup of
    GemPC430 0 0.
    src/readerfactory.c:1060 RFBindFunctions: Loading IFD Handler 2.0

And here's what the console says:

    Jul 15 21:22:28 localhost /usr/sbin/pcscd: IFD_GemPC430 : CARD
    STATUS failed
    Jul 15 21:28:59 localhost /usr/sbin/pcscd: IFD_GemPC430 : CARD
    STATUS failed
    Jul 15 21:28:59 localhost /usr/sbin/pcscd: IFD_GemPC430 : CARD
    STATUS failed
    Jul 15 21:28:59 localhost /usr/sbin/pcscd: IFD_GemPC430 : PowerUp
    failed
    Jul 15 21:28:59 localhost /usr/sbin/pcscd: IFD_GemPC430 : CARD
    STATUS failed
    Jul 15 21:29:00 localhost /usr/sbin/pcscd: IFD_GemPC430 : CARD
    STATUS failed
    Jul 15 21:29:00 localhost /usr/sbin/pcscd: IFD GemPC430 : PowerDown
    failed

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