NAMD error : alloc_mempool_block: posix_memalign failed

From: Himanshu Joshi (
Date: Fri Mar 13 2020 - 15:51:51 CDT

Dear NAMD community,

I am getting the following error log while running replica exchange NAMD
runs on bluwaters supercomputer

*Redirecting stdout to files output/0/job0_high.0.log through 80-------
Partition 30 Processor 29 Exiting: Called CmiAbort ------Reason:
alloc_mempool_block: posix_memalign failedaborting job:alloc_mempool_block:
posix_memalign failed------- Partition 46 Processor 15 Exiting: Called
CmiAbort ------Reason: alloc_mempool_block: posix_memalign failed *

The NAMD log file contains the following line

*Converse/Charm++ Commit ID:

I tried two different NAMD versions using the following NAMD scripts but
got the same error.


Looking forward to your recommendations to overcome this issue.

Thank you in advance.

*With Regards,Himanshu Joshi*

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