Experimental Physics and
Industrial Control System

Michael Davidsaver <[email protected]> · Wed, 13 May 2015 13:47:10 -0400

On 05/13/2015 01:06 PM, Jameson Graef Rollins wrote:
> On Tue, May 12 2015, Michael Davidsaver <[email protected]> wrote:
>> ...
> Hi, Michael.  I should have mentioned that I did try doing this at your
> suggestion, but wasn't able to devine anything useful myself.  I'm not
> quite sure what I'm looking for, though:

The error is coming from:

http://bazaar.launchpad.net/~epics-core/epics-base/3.14/view/head:/src/libCom/osi/os/posix/osdMutex.c#L108

If the unlock fails then cantProceed() is called, which calls
epicsThreadSuspendSelf.  The posix version of which ultimately calls
pthread_cond_wait().

http://bazaar.launchpad.net/~epics-core/epics-base/3.14/view/head:/src/libCom/osi/os/posix/osdEvent.c#L75

>From the top two frames this could be either thread #1 or #4.  Can you
post the full stacks?

Michael

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System