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    Windows Server 2016 & 2019 freezing on multiple hosts

    Scheduled Pinned Locked Moved Development
    33 Posts 12 Posters 17.9k Views 5 Watching
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    • borzelB Offline
      borzel XCP-ng Center Team @michael
      last edited by

      michael can you point to a specific time in the log file when your VM was locked up?

      michaelM 1 Reply Last reply Reply Quote 0
      • michaelM Offline
        michael @borzel
        last edited by michael

        borzel Sometime between the 7:40 and 12:12 on the first line. I'm guessing it went down right as I was posting here.

        Like I said whatever it's doing it doesn't seem to log it. Is there any other log files I should check?

        EDIT: I have a theory, testing it now.

        EDIT 2: I'm wondering if this has something to do with XCP-NG Center. The KMS server (the one that locked up) was the only one I logged into when checking if everything was working. Trying to duplicate this now.

        1 Reply Last reply Reply Quote 0
        • michaelM Offline
          michael
          last edited by

          Update: The same VM crashed again, the others are working fine as of this post. I left it up as a remote desktop session last night and I came back to my office today and it was still up as a RDP session, but not responsive. I checked XCP-NG Center and the same blue screen with a cursor was there.

          Still trying to find the cause of this.

          apayneA 1 Reply Last reply Reply Quote 0
          • E Offline
            etlweather
            last edited by

            Were you able to resolve this in the end?

            1 Reply Last reply Reply Quote 0
            • apayneA Offline
              apayne @michael
              last edited by

              michael this may sound silly, but perhaps this isn’t a software issue? Maybe you have a faulty stick of RAM hiding in the machine? Bad RAM will make all kinds of strange and flaky things happen. This is just a guess, I’m just putting this idea out there because I’ve seen similar weird behavior in machines where RAM failure isn’t easy to spot (no front panel on the server with a fault light).

              nikadeN 1 Reply Last reply Reply Quote 0
              • nikadeN Offline
                nikade Top contributor @apayne
                last edited by

                apayne This is a good suggestion, all tho it is happening on a lot of different physical machines if im not mistaken.

                Im running a couple of Windows Server 2016 on xcp-ng 7.4 and 7.5 without any issues, im hoping this isnt something related to the specific version xcp-ng 7.6 since we're planning on migrating from XenServer to this version.

                1 Reply Last reply Reply Quote 0
                • C Offline
                  cg
                  last edited by cg

                  Any updates on this?
                  I'm planing to run 2 HPE DL20 on XCP-ng 7.6 (Install image for 8 is currently broken to run on that - reason still unknown).

                  B 1 Reply Last reply Reply Quote 0
                  • B Offline
                    bikepope @cg
                    last edited by

                    cg Hello
                    I run into the same issue with Vserver (Windows Server 2016). It looks like not only XCP has this problem. Also Citrix, VMWare and Hyper-v face this. Wondering if there is any solution!!!

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

                      Could it be related to a bug in Windows itself?

                      S 1 Reply Last reply Reply Quote 0
                      • S Offline
                        speedy01 @olivierlambert
                        last edited by

                        iirc vmware had hit problems with windows 10 1809 and up...there was some finger pointing, but vmware released a patch in update 3. Since the reported problem popped up after 1809, then Id suspect it more of a microsoft issue...

                        1 Reply Last reply Reply Quote 0
                        • E Offline
                          etlweather
                          last edited by

                          For what it's worth, I was having Windows 2016 freezes regularly (every few days or week). I could never trace it back to a specific cause, though I noticed very high number of handles and threads when it was hanging.

                          Per my records, it stopped hanging after I upgraded the PV drivers using Guest Tool ISO 7.41.0-1.

                          1 Reply Last reply Reply Quote 1
                          • nikadeN Offline
                            nikade Top contributor
                            last edited by

                            I have been running Windows 10 and Windows Server 2016 now for a long time on xcp-ng.
                            last weekend I upgraded one of my test-servers to xcp-ng 8.0 and Windows Server 2016 still runs fine.
                            This is the output of systeminfo

                            C:\Windows\system32>systeminfo
                            
                            Host Name:                 HEL-DC1
                            OS Name:                   Microsoft Windows Server 2016 Standard
                            OS Version:                10.0.14393 N/A Build 14393
                            OS Manufacturer:           Microsoft Corporation
                            OS Configuration:          Primary Domain Controller
                            OS Build Type:             Multiprocessor Free
                            Registered Owner:          Windows User
                            Registered Organization:
                            Product ID:                00377-60000-00000-AA934
                            Original Install Date:     2018-10-20, 17:26:33
                            System Boot Time:          2019-10-01, 23:13:37
                            System Manufacturer:       Xen
                            System Model:              HVM domU
                            System Type:               x64-based PC
                            Processor(s):              1 Processor(s) Installed.
                                                       [01]: Intel64 Family 6 Model 158 Stepping 9 GenuineIntel ~3600 Mhz
                            BIOS Version:              Xen 4.7.5-5.4.1.xcp, 2018-08-02
                            
                            

                            I am using these tools:
                            0777ffe5-bfd8-4094-8d88-bf0d01092f66-image.png

                            1 Reply Last reply Reply Quote 0
                            • K Offline
                              kevdog
                              last edited by

                              FWIW -- I had a similar problem with VMs going randomly down -- it wasn't windows but various BSD and Linux VM's. Sometimes they would run a few days, other times they would lock up every other day. Logs didn't help because when the VM locked, logs were not written. I even had the xcp-ng installation lock a few times, although it was usually on of the VMs. I started searching for faulty hardware and eventually SMART tested all the drives and mem86 the RAM. Turns out I had some bad RAM modules which I later RMA'd. With new RAM (after after thoroughly testing it), I haven't had any lock ups. I'm not sure this will help you at all.

                              1 Reply Last reply Reply Quote 1
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