VMware guest hangup and "NOHZ: local_softirq_pending 100" logged

Solution Verified - Updated -

Issue

  • VMware guest server didn't repsond.
  • When the server didn't respond, memory and swap were consumed very much. Most of them were used by httpd and dovecot.
  • Service processes continued to output log files at that time, so it doesn't seem hangup was happened although the server was under very high load.

Environment

  • VMWare ESXi5.1(Host)
  • Red Hat Enterprise Linux 6.3
  • kernel-2.6.32-279.19.1.el6.x86_64

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