Red Hat Enterprise Linux 3 U3 system became unresponsive under low memory conditions

Solution Unverified - Updated -

Issue

  • Unable to login to oracle server
  • Server was inaccessible via ssh
  • Login prompt on the console was not available.
  • telnet at port 22 and port 1521 was working.

Environment

  • Red Hat Enterprise Linux 3 U3
  • kernel 2.4.21-20.ELsmp

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