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    [RHEL kernel bug] XCP vm fails to boot after newest kernel applied.

    Scheduled Pinned Locked Moved Solved Compute
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    • P Offline
      phil
      last edited by

      According to https://access.redhat.com/solutions/7116307 the bug is solved, but I don't get newer Kernels on Rocky yet.

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      • G Offline
        Greg_E @phil
        last edited by

        @phil

        Sad that even this documentation is locked behind a Redhat account, I can only read part of the problem description. Not going to make an account because it really doesn't affect me right now.

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        • B Offline
          bberndt @Greg_E
          last edited by

          @Greg_E
          I made a free account.
          Resolution
          The issue has been resolved with the errata: RHBA-2025:4337. Hence, update the kernel to kernel-4.18.0-553.51.1.el8_10 to fix the issue.

          id assume it arrives soon? I as well, haven't seen it yet.

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          • olivierlambertO Offline
            olivierlambert Vates 🪐 Co-Founder CEO
            last edited by olivierlambert

            It's now available, yes 🙂 After update, reboot will work

            edit: ha answered for RH, Alma and Rocky will follow soon I suppose

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            • G Offline
              Greg_E @olivierlambert
              last edited by

              @olivierlambert

              I just updated an Alma 8 and it has the .51 kernel now.

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              • B Offline
                bberndt @Greg_E
                last edited by

                @Greg_E said in XCP vm fails to boot after newest kernel applied.:

                @olivierlambert

                I just updated an Alma 8 and it has the .51 kernel now.

                Tried one of my Rocky's and still .50. I wonder where we can see the status of downstream fixes like that? anyone know? thanks.

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                • G Offline
                  Greg_E @bberndt
                  last edited by

                  @bberndt

                  This may sound stupid, but here goes...

                  Does Rocky need to update to .50 before it can update to .51?

                  I'd guess no, but I've been away from RHEL based stuff since the IBM rug pull. Only coming back because I may need it in the future as I jockey around trying to improve my paycheck.

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                  • B Offline
                    bberndt @Greg_E
                    last edited by

                    @Greg_E said in XCP vm fails to boot after newest kernel applied.:

                    @bberndt

                    This may sound stupid, but here goes...

                    Does Rocky need to update to .50 before it can update to .51?

                    I'd guess no, but I've been away from RHEL based stuff since the IBM rug pull. Only coming back because I may need it in the future as I jockey around trying to improve my paycheck.

                    https://bugs.rockylinux.org/view.php?id=9307
                    so, prolly soon-ish.

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                    • G Offline
                      Greg_E @bberndt
                      last edited by

                      @bberndt

                      Alma must have dropped everything to push this out. I wonder what Oracle is doing, guessing they were hit by this too. I'd guess Rocky has this out pretty fast, they know it is important.

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                      • G Offline
                        glreed735
                        last edited by

                        I updated my Redhat 8 instances to the .51 kernel and it's back to working.

                        The kernel version 4.18.0-553.51.1.el8_10.x86_64 for Red Hat Enterprise Linux 8 was released on April 30, 2025, as part of the bug fix advisory RHBA-2025:4337. ​

                        This update addresses various issues and includes enhancements to improve system stability and performance. For detailed information about the fixes and improvements in this release, you can refer to the official Red Hat advisory.

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                        • B Offline
                          bberndt @glreed735
                          last edited by

                          .51 for Rocky showed up today. Running my first test. and from .22.

                          Seems successful!

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                          • olivierlambertO Offline
                            olivierlambert Vates 🪐 Co-Founder CEO
                            last edited by

                            Great news 🙂 Closing this as fixed. Thanks everyone for your feedback!

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                            • olivierlambertO olivierlambert marked this topic as a question
                            • olivierlambertO olivierlambert has marked this topic as solved
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