Several RHV hosts went non operational at the same time

Solution In Progress - Updated -

Issue

  • Several hosts went non operational/non-operational/NonOperational at the same time.

  • All of the affected hosts were running RHEL 7.5, but with a 7.4 kernel.

  • The one RHEL 7.5 with a 7.5 kernel was unaffected.

  • On each host, an lvm process encountered a SIGSEGV fault (segfault).

Environment

  • Red Hat Virtualization (RHV) 4.1.8
  • Red Hat Enterprise Linux (RHEL) 7.5 hosts with 7.4 kernels;
    • kernel-3.10.0-693.25.7.el7.x86_64
    • vdsm-4.19.51-1.el7ev.x86_64

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