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如何配置系统oom(oom-killer events)时触发panic？

Solution Verified - Updated -

Issue

  • 如何配置"panic on oom-killer events"？
  • 主机内存耗尽，如何设置 'panic_on_oom' 参数？
  • 服务器由于内存不足（OOM）挂起，一段时间后自动重启；
  • 系统出现 'Out of memory: Kill process...' 信息，如何生成vmcore？
  • 主机因为OOM挂起，如何使之自动生成vmcore？

Environment

  • Red Hat Enterprise Linux 4.6
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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