Experimental Physics and
Industrial Control System

While modifying and testing a device driver subclassed from asynPortDriver for a VME module I am getting this message:

A call to 'assert(status == epicsMutexLockOK)'

    by thread 'cbLow' failed in ../../asyn/asynDriver/asynManager.c line 2222.

EPICS Release EPICS R3.14.11 $R3-14-11$ $2009/08/28 18:47:36$.

Local time is 2012-03-09 10:52:43.182719160 PUS

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Calling epicsThreadSuspendSelf()

Thread cbLow (0x1692b30) suspended

interrupt: errlogPrintf called from interrupt level

I am using asyn R4.17.

I am sending this message because the message tells me to.

I will comment out my recent modifications and try to pinpoint which part of my device driver is responsible.

Thanks,

Zen