How to use the SysRq Facility to collect information from a RHEL system

Solution Verified - Updated -


  • How to use the SysRq-Facility to collect information from a system which is frozen or unresponsive?
  • How to manually force a crash in system hang conditions?
  • If the system goes into a hung state, can a vmcore or core dumps still be captured?
  • How do I enable SysRq to force a kernel panic?


  • Red Hat Enterprise Linux

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