Kernel panic in a kworker executing drm_fb_helper_dirty_work() function

Solution Verified - Updated -

Issue

  • Kernel panic in memcpy_erms() function called by drm_fb_helper_dirty_work().

Environment

  • Red Hat Enterprise Linux 8
  • The system is running as a KVM virtual machine guest
    • However, theoretically, the same issue can happen on a physical machine as well.
  • qxl video driver is enabled

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