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  1. OpenShift Bugs
  2. OCPBUGS-6692

[4.10] Lazily unmount /proc/cmdline

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: Normal Normal
    • None
    • 4.10
    • RHCOS
    • Important
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    • 3
    • Sprint 232 - Team OSInt, Sprint 233 - Team OSInt, Sprint 234 - Team OSInt, Sprint 235, Sprint 236 - OSIntegration, Sprint 237 - OSIntegration
    • 6
    • Rejected
    • False
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      The issue experienced on OCP 4.10 UPI installation on the vSphere environment

      Starting OSTree Prepare OS/...
[ 107.052009] ostree-prepare-root[1081]: preparing sysroot at /sysroot
[ 107.053480] ostree-prepare-root[1081]: Resolved OSTree target to: /sysroot/ostree/deploy/rhcos/deploy/3362fb42bacf40676ca4d24dfd9938b7f9067c0619fef495c91175429819918f.0
[ 107.057086] ostree-prepare-root[1081]: filesystem at /sysroot currently writable: 0
[ 107.058985] ostree-prepare-root[1081]: sysroot.readonly configuration value: 0
sysroot-ostree-deploy-rhcos-deploy-3362fb42bacf40676ca4d24dfd9938b7f9067c0619fef495c91175429819918f.0.mount: Succeeded.
[ 107.066795] ostree-cmdline[1083]: umount: /proc/cmdline: target is busy.
ostree-prepare-root.service: Control process exited, code=exited status=32
[ 107.068228] ostree-cmdline[1083]: umount: /proc/cmdline: target is busy.
ostree-prepare-root.service: Failed with result 'exit-code'.
[•[0;1;31mFAILED•[0m] Failed to start OSTree Prepare OS/.
See 'systemctl status ostree-prepare-root.service' for details.
ostree-prepare-root.service: Triggering OnFailure= dependencies.

      The installation fails due to the error:

      umount: /proc/cmdline: target is busy

      The expected result should be a successful OS installation avoiding secondary attempts to complete the installations.

      This has already been fixed on our upstream on this GitHub issue: https://github.com/coreos/fedora-coreos-config/pull/2170

      I want to request a backport for this bug.

              apiaseck@redhat.com Adam Piasecki
              rhn-support-csaggin Cristiano Saggin
              Michael Nguyen Michael Nguyen
              Motorola Solutions Confidential Group
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                Created:
                Updated:
                Resolved: