What is the significance of message “kernel: cirrus 0000:00:02.0: registered panic notifier“?

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Issue

  • What is the significance of message “kernel: cirrus 0000:00:02.0: registered panic notifier“?
  • Monitoring tool reports and alarms about message “kernel: cirrus 0000:00:02.0: registered panic notifier“, what does it mean?
[    5.542044] fbcon: cirrusdrmfb (fb0) is primary device
[    5.569411] cirrus 0000:00:02.0: fb0: cirrusdrmfb frame buffer device
[    5.569412] cirrus 0000:00:02.0: registered panic notifier
[    5.569415] [drm] Initialized cirrus 1.0.0 20110418 for 0000:00:02.0 on minor 0

Environment

  • RHEL7.0 - RHEL7.2
  • KVM guest.

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