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  1. OpenShift Virtualization
  2. CNV-64360

virt-handlers are crashing during CNV upgrade to 4.19

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    • Icon: Bug Bug
    • Resolution: Done-Errata
    • Icon: Blocker Blocker
    • CNV v4.19.1
    • CNV v4.19.0, CNV v4.19.1
    • CNV Virt-Node
    • None
    • Critical
    • Customer Facing, QE Confirmed, Customer Reported
    • None

      Description of problem:

      After completing the upgrade of OCP to 4.19, during the CNV upgrade to 4.19, the virt-handler pods on several nodes are crashing due to invalid memory address or nil pointer dereference.
logs provided.

      Version-Release number of selected component (if applicable):

      OCP 4.19.1
CNV 4.19.1

      How reproducible:

      occurred on cnv2.engineering.redhat.com upgrade

      Steps to Reproduce:

      1. Upgrade OCP from 4.18 to 4.19
2. Upgrade CNV from 4.18 to 4.19
3. Watch the virt-handler pods in CrashloopBackoff

      Actual results:

      virt-handler pods are crashing due to nil pointer deference. the upgrade is stuck due to that.

      Expected results:

      all virt-handlers should come up ready and upgrade should continue

      Additional info:

      the affected nodes probably ran VMs migrations on them during the upgrade.

        1. crashing-virt-handler.log
          52 kB

              ffossemo@redhat.com Federico Fossemo
              ocohen@redhat.com Oren Cohen
              Denys Shchedrivyi Denys Shchedrivyi
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                Created:
                Updated:
                Resolved: