OMVS latch deadlock –

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IBM Global Competency Center Conclusions / Questions at this point • Processing got stuck during (auto-)MOUNT • No <strong>deadlock</strong> could be identified so far • WAIT was entered in BPXFSMNT <strong>–</strong> main mount entry point • What delayed the (auto-)MOUNT • What is BPXFSMNT waiting for • Is it waiting for any resource • Is it waiting for any subtask to respond 10 © 2012 IBM Corporation
IBM Global Competency Center BPXFSMNT • Entered the WAIT in a routine called GetSecLabel • SECLABEL is a RACF class, that allows to set security labels on z/OS UNIX resources • Creates and queues a work element and posts BPXFSLIT to obtain the security label for the file system to be mounted • waits for BPXFSLIT to return the security label What is BPXFSLIT doing 11 © 2012 IBM Corporation
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