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  1. RHEL
  2. RHEL-73895

Single stack IPv6 configurations take 2m longer to install

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    • Icon: Bug Bug
    • Resolution: Unresolved
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    • rhel-9.5
    • anaconda
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    • rhel-anaconda
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      Given a RHEL 9.5 system is configured with a single IPv6 NIC,

      When the system reboots,

      Then, the nm-wait-online-initrd.service should not cause delays and the system should boot within the expected time (comparable to IPv4 or dual-stack configurations). 

      Definition of Done:

      • The implementation meets the acceptance criteria
      • Integration tests are written and pass 
      • The code is part of a downstream build attached to an errata
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      Given a RHEL 9.5 system is configured with a single IPv6 NIC, When the system reboots, Then, the nm-wait-online-initrd.service should not cause delays and the system should boot within the expected time (comparable to IPv4 or dual-stack configurations).  Definition of Done: The implementation meets the acceptance criteria Integration tests are written and pass  The code is part of a downstream build attached to an errata
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      ​Description of problem:

      Single stack IPv6 configurations take 2m longer to install due to the stuck nm-wait-online-initrd service.

      Environment and component:

      RHEL9.5 OS configured with a single IPv6 NIC

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

      RHEL 9.5

      How reproducible?

      100%

      Steps to Reproduce:

      Minimized, easy-to-follow steps that will trigger the bug. Include any special setup steps or specific tools you used

      1. Install a RHEL 9.5 VM with a single IPv6 NIC
        2. Watch the boot messages for the following output
        3. Note that the boot is stuck ~2m on the first message and ends up with an error
      [  OK  ] Started Hardware RNG Entropy Gatherer Daemon.
[    4.724881] IPv6: ADDRCONF(NETDEV_CHANGE): enp1s0: link becomes ready
[   ***] A start job is running for nm-wait-…ne-initrd.service (15s / no limit)

...
...
...


[FAILED] Failed to start Network Manager Wait Online.

      Actual results:

      System installation takes 2m longer to complete

      Expected results:

      System installation should take the same time as for IPv4 or dual-stack configurations

      Additional info:

      It's 100% reproducible in MicroShift CI ipv6 single stack scenario.

      See this log for instance. Search for "A start job is running" string.

      Note that this problem is NOT bootc-specific. See this log for an example of ostree installation.

        1. anaconda.NetworkManager.log
          167 kB

              Unassigned Unassigned
              ggiguash@redhat.com Gregory Giguashvili
              Vladimir Benes Vladimir Benes
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                Created:
                Updated: