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    Windows 2025 Standard 24H2.11 (iso release of sept 25) crash on reboot with "INACCESSIBLE BOOT DEVICE 0x7B" in XCP 8.2.1 and XCP 8.3

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    • A Online
      acebmxer @Pilow
      last edited by

      @Pilow

      Did dirty upgrade left all boxes checked and vm is setup to update drivers via windows update....

      Screenshot 2025-09-30 151025.png

      I have rebooted vm and restarts no issues.

      Screenshot 2025-09-30 151319.png

      1 Reply Last reply Reply Quote 1
      • D Offline
        dinhngtu Vates 🪐 XCP-ng Team
        last edited by

        The cause has been found, and a fix is under way. Stay tuned.

        F 1 Reply Last reply Reply Quote 1
        • F Offline
          flakpyro @dinhngtu
          last edited by

          @dinhngtu Thats great news!

          1 Reply Last reply Reply Quote 0
          • D Offline
            dinhngtu Vates 🪐 XCP-ng Team
            last edited by dinhngtu

            Hi all, here's a pre-build of the fix for anyone who wants to test (8.3 only):

            wget https://koji.xcp-ng.org/repos/user/8/8.3/xcpng-users.repo -O /etc/yum.repos.d/xcpng-users.repo
            yum update --enablerepo=v8.3-u-ndinh1
            
            F A 2 Replies Last reply Reply Quote 2
            • F Offline
              francesco-maria @dinhngtu
              last edited by

              @dinhngtu will be released also for 8.2.1?

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

                8.2.1 is EOL: https://xcp-ng.org/blog/2025/09/16/xcp-ng-8-2-lts-reached-its-end-of-life/

                F 1 Reply Last reply Reply Quote 0
                • A Offline
                  Andrew Top contributor @dinhngtu
                  last edited by

                  @dinhngtu On a quick test, the ISO boots and installs. When the VM boots from the HD it crashes (and on reboots).

                  Updating XCP 8.3 with qemu-4.2.1-5.2.12.2~fixvwc1.1.xcpng8.3.x86_64 solves the issue and the installed windows image boots correctly without any additional changes.

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

                    That's great! \o/

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                    • F Offline
                      francesco-maria @olivierlambert
                      last edited by

                      @olivierlambert this problem can cause a crash on update of windows 2025 VM on xcp-ng 8.2.1 or remains only a problem for fresh install?

                      D 1 Reply Last reply Reply Quote 0
                      • olivierlambertO Offline
                        olivierlambert Vates 🪐 Co-Founder CEO
                        last edited by

                        8.2 is EOL, and also IDK how it's affected by this issue.

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                        • D Offline
                          dinhngtu Vates 🪐 XCP-ng Team @francesco-maria
                          last edited by

                          @francesco-maria I haven't determined what exact conditions would trigger the issue. It seems to only happen on new installations for now, but it could very well change in the future. Though as long as you keep the Xen drivers installed, things should be OK.

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