[RHEL] Kdump hangs when we trying to crash the kernel

Solution Verified - Updated -

Issue

  • Kdump hangs when we try to crash the kernel with echo c > /proc/sysrq-trigger command.
  • Server is an HP Blade Server
  • Tried with new kernel and the issue remains same.
  • Added options in /etc/sysconfig/kdump.conf file without any success.

Environment

  • Red Hat Enterprise Linux - All Releases
  • kdump to capture vmcores

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