Multiple 'sshd' task blocked in Interruptable State (IN) stops writing to the 'af_unix' socket (/dev/log)

Solution Verified - Updated -

Issue

  • Multiple 'sshd' task blocked in Interruptable State (IN) stops writing to the 'af_unix' socket (/dev/log)
  • issue with 'epoll' in connection with AF_UNIX socket - missing POLLOUT event notification causes process hang

Environment

  • Red Hat Enterprise Linux 7.2 Kernel version 3.10.0-327.13.1.el7.x86_64
  • Red Hat Guest VM on VMware

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