Xen live migration fails with xc_save error on Dom0 with >64GB physical RAM

Solution Verified - Updated -

Issue

  • Xen live migration funktioniert nicht
  • Xen live migration fails with xc_save error after update; non-live migration still works
  • xend writes "Couldn't enable shadow mode" into /var/log/xend.log during live migration

Environment

  • Red Hat Enterprise Linux (RHEL) 5.3 or later

  • Dom0 > 64GB physical memory

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