System kernel panics on boot with "mount: could not find filesystem '/dev/root'"

Solution Verified - Updated -

Issue

  • System kernel panics on boot with the following information after loading GRUB and starting the boot process:
Unable to access resume device (/dev/rootvg/swap)
mount: could not find filesystem '/dev/root'
setuproot: moving /dev failed: no such file or directory
setuproot: error mounting /proc: no such file or directory
setuproot: error mounting /sys: no such file or directory
switchroot: mount failed: no such file or directory
kernel panic - no syncing: attempted to kill init!

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 3

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