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Type: Bug
Resolution: Unresolved
Priority: Major
Fix Version/s: 4.22.0
Affects Version/s: 4.21.0
Component/s: Node / CRI-O
Labels:
None

Activity Type:
None
Blocked:
False
Blocked Reason:

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Story Points:
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Severity:
None
Regression:
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Target Backport Versions:
None
Target Version:

4.22.0
Release Blocker:
None
Sprint:
None

SFDC Cases Counter:
SFDC Cases Open:
SFDC Cases Links:

PX Impact Score:

Release Note Status:
None
Release Note Type:
None
Release Note Text:
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Escape Reason:
None
Escape Impact:
None
Corrective Measures:
None
SDLC stage when should've been found:
None

Description of problem:

    When I upgrade from 4.20.z to 4.21.0, the short name mode gets updated to enforce, which means if an image is using a short name (unqualified search, without a domain name) and there are multiple possible sources, cri-o now fails to pull

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

    4.21.0

How reproducible:

    100%

Steps to Reproduce:

    1. upgrade from 4.20 to 4.21
    2. attempt to pull an image in both registry.access.redhat.com and docker.io (like nginx:latest)

Actual results:

  see error Failed to inspect image "": rpc error: code = Unknown desc = short name mode is enforcing...".      3.

Expected results:

  no error

Additional info:

    this ticket will be closed, it's just paperwork fodder for the 4.20.z variant, where it will be fixed

blocks

OCPBUGS-76355 4.21 enables short name mode by default

OCPBUGS-76356 4.21 enables short name mode by default

is cloned by

OCPBUGS-76355 4.21 enables short name mode by default

OCPBUGS-76356 4.21 enables short name mode by default

OCPBUGS-75917 [4.20.z] upgrades to 4.21 enables short name mode by default on upgrades

Closed

is depended on by

OCPBUGS-75917 [4.20.z] upgrades to 4.21 enables short name mode by default on upgrades

Closed

links to

openshift/machine-config-operator#5628: OCPBUGS-75916: crio: disable short_name_mode until we introduce ctrcfg api for it

(1 is depended on by, 1 links to)

Assignee:: Peter Hunt

Reporter:: Peter Hunt

Need Info From:: None

Contributors:: None

QA Contact:: Min Li

Doc Contact:: None

Votes:: 0 Vote for this issue

Watchers:: 7 Start watching this issue

Created:: 2026/02/04 8:33 PM

Updated:: 2026/02/06 8:03 PM

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