How to fix mutex error

From: Matthew Guberman-Pfeffer (
Date: Sat Mar 21 2020 - 22:51:27 CDT

Dear NAMD community,

I encountered the below error when trying to run multiple simulations, each
using 12 processors. Can you please help me understand what the error
means, and how to avoid it?

./nptl/pthread_mutex_lock.c:81: __pthread_mutex_lock: Assertion
'mutex->__data.__owner ==0' failed


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