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    VM Failing to Reboot

    Scheduled Pinned Locked Moved Unsolved Management
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    • D Offline
      dinhngtu Vates 🪐 XCP-ng Team @kagbasi-ngc
      last edited by dinhngtu

      @kagbasi-ngc You might need the debugger in normal mode. Attach the debugger right at boot time and run the following command (beware the exact spelling):

      sxe -c "lm1mna (poi(rdx));g" ld
      

      Click Go until Windows loads completely or until you get a VM crash in Windbg, then paste the entire Windbg output.

      K 1 Reply Last reply Reply Quote 0
      • K Offline
        kagbasi-ngc @dinhngtu
        last edited by

        @dinhngtu sorry for the delayed response, having trouble getting the debugger to reattach. I've re-input all the boot parameters, yet still, no data is being piped to the debug port on the host.

        Do you think perhaps the removal of the drivers we did yesterday has removed the VM's ability to talk to the host?

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        • D Offline
          dinhngtu Vates 🪐 XCP-ng Team @kagbasi-ngc
          last edited by

          @kagbasi-ngc It shouldn't, the debugger drivers are built into Windows. If you're having issues with attaching the debugger, you can get into the F8 menu, start attaching WinDbg then choose Debugging mode in the F8 menu to start the guest. This should give WinDbg the correct timing to attach to the guest.

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          • K Offline
            kagbasi-ngc @dinhngtu
            last edited by

            @dinhngtu thanks for the pointers, but nothing I'm doing seems to be working. The debugger seems to have connected to the host successful, but the VM isn't transmitting any data to the debugport.

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            • D Offline
              dinhngtu Vates 🪐 XCP-ng Team @kagbasi-ngc
              last edited by

              @kagbasi-ngc Does it get stuck at "Waiting to reconnect..."? Do you get anything when telnet-ing to the VM's serial port?

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              • K Offline
                kagbasi-ngc @dinhngtu
                last edited by

                @dinhngtu Yes (see image below). I'm on my way back to the office now, should be there in about 45 mins and will try telnet to the host tcp port 7001 and see what I get.

                1000235726.jpg

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                • K Offline
                  kagbasi-ngc @dinhngtu
                  last edited by

                  @dinhngtu said in VM Failing to Reboot:

                  Do you get anything when telnet-ing to the VM's serial port?

                  Sorry for the delayed response. I just attempted to telnet to the VM's serial port on the host, while watching IPTables, and here's the behavior I observed:

                  • The PuTTY telnet session remains open while the VM is powered up and attempting to boot.

                  • As soon as the BSOD is encountered and the VM powers off, the telnet session window terminates.

                  • While watching IPTables, I can see the pkts count increment by 5 each time I attempt a connection.

                  Given the above observations, I'm convinced that the host is setup correctly, but it's the VM that is not dumping any data to the serial console on the host.

                  This is the IPTables rule I was watching:

                  Chain	xapi-INPUT (1 references)
                   pkts	bytes	target		prot	opt	in	out	source		destination
                     70	3636	ACCEPT		tcp	--	*	*	0.0.0.0/0	0.0.0.0/0	ctstate NEW tcp dpt:7001
                  
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                  • D Offline
                    dinhngtu Vates 🪐 XCP-ng Team @kagbasi-ngc
                    last edited by

                    @kagbasi-ngc Could you check bcdedit /store bcd /enum all (you can do this from Safe Mode, just do bcdedit /enum all) to see if the debugger settings are still there? For reference, it should look like:

                    Windows Boot Loader
                    -------------------
                    identifier              {current}
                    ...
                    debug                   Yes
                    
                    ...
                    
                    Debugger Settings
                    -----------------
                    identifier              {dbgsettings}
                    debugtype               Serial
                    debugport               1
                    baudrate                115200
                    
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                    • K Offline
                      kagbasi-ngc @dinhngtu
                      last edited by

                      @dinhngtu Checking now.

                      As soon as I selected Safe Mode with Command Prompt, the following came up. So I'm waiting for it to finish.

                      1000235776.jpg

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                      • K Offline
                        kagbasi-ngc @dinhngtu
                        last edited by

                        @dinhngtu said in VM Failing to Reboot:

                        @kagbasi-ngc Could you check bcdedit /store bcd /enum all (you can do this from Safe Mode, just do bcdedit /enum all) to see if the debugger settings are still there? For reference, it should look like:

                        Here you go. As far as I can tell, the settings are there.

                        Firmware Boot Manager
                        ---------------------
                        identifier              {fwbootmgr}
                        displayorder            {869b8842-cfa5-11ef-88bd-6690debbc340}
                                                {bootmgr}
                                                {4953fce7-d2e8-11ef-9050-806e6f6e6963}
                                                {68f8db89-dac7-11ef-b603-806e6f6e6963}
                                                {869b8841-cfa5-11ef-88bd-6690debbc340}
                                                {869b8846-cfa5-11ef-88bd-6690debbc340}
                                                {cc338294-d2fd-11ef-904b-806e6f6e6963}
                                                {869b8844-cfa5-11ef-88bd-6690debbc340}
                        timeout                 0
                        
                        Windows Boot Manager
                        --------------------
                        identifier              {bootmgr}
                        device                  partition=S:
                        path                    \EFI\Microsoft\Boot\bootmgfw.efi
                        description             Windows Boot Manager
                        locale                  en-US
                        inherit                 {globalsettings}
                        bootshutdowndisabled    Yes
                        default                 {default}
                        resumeobject            {869b8847-cfa5-11ef-88bd-6690debbc340}
                        displayorder            {default}
                        toolsdisplayorder       {memdiag}
                        timeout                 30
                        
                        Firmware Application (101fffff)
                        -------------------------------
                        identifier              {4953fce7-d2e8-11ef-9050-806e6f6e6963}
                        description             UEFI Misc Device 2
                        
                        Firmware Application (101fffff)
                        -------------------------------
                        identifier              {68f8db89-dac7-11ef-b603-806e6f6e6963}
                        description             UEFI Misc Device 3
                        
                        Firmware Application (101fffff)
                        -------------------------------
                        identifier              {869b8841-cfa5-11ef-88bd-6690debbc340}
                        description             UiApp
                        
                        Firmware Application (101fffff)
                        -------------------------------
                        identifier              {869b8842-cfa5-11ef-88bd-6690debbc340}
                        description             UEFI Misc Device
                        
                        Firmware Application (101fffff)
                        -------------------------------
                        identifier              {869b8844-cfa5-11ef-88bd-6690debbc340}
                        description             UEFI PXEv6 (MAC:7E30B1BB2307)
                        
                        Firmware Application (101fffff)
                        -------------------------------
                        identifier              {869b8846-cfa5-11ef-88bd-6690debbc340}
                        description             EFI Internal Shell
                        
                        Firmware Application (101fffff)
                        -------------------------------
                        identifier              {cc338294-d2fd-11ef-904b-806e6f6e6963}
                        description             UEFI PXEv4 (MAC:7E30B1BB2307)
                        
                        Windows Boot Loader
                        -------------------
                        identifier              {default}
                        device                  partition=C:
                        path                    \windows\system32\winload.efi
                        description             Windows Server
                        locale                  en-US
                        inherit                 {bootloadersettings}
                        recoverysequence        {ad69be4c-cf8c-11ef-9047-6690debbc340}
                        displaymessageoverride  Recovery
                        recoveryenabled         Yes
                        isolatedcontext         Yes
                        allowedinmemorysettings 0x15000075
                        osdevice                partition=C:
                        systemroot              \windows
                        resumeobject            {869b8847-cfa5-11ef-88bd-6690debbc340}
                        nx                      OptOut
                        bootlog                 Yes
                        
                        Windows Boot Loader
                        -------------------
                        identifier              {ad69be4c-cf8c-11ef-9047-6690debbc340}
                        device                  ramdisk=[\Device\HarddiskVolume4]\Recovery\WindowsRE\Winre.wim,{ad69be4d-cf8c-11ef-9047-6690debbc340}
                        path                    \windows\system32\winload.efi
                        description             Windows Recovery Environment
                        locale                  en-US
                        inherit                 {bootloadersettings}
                        displaymessage          Recovery
                        osdevice                ramdisk=[\Device\HarddiskVolume4]\Recovery\WindowsRE\Winre.wim,{ad69be4d-cf8c-11ef-9047-6690debbc340}
                        systemroot              \windows
                        nx                      OptIn
                        bootmenupolicy          Standard
                        winpe                   Yes
                        
                        Resume from Hibernate
                        ---------------------
                        identifier              {869b8847-cfa5-11ef-88bd-6690debbc340}
                        device                  partition=C:
                        path                    \windows\system32\winresume.efi
                        description             Windows Resume Application
                        locale                  en-US
                        inherit                 {resumeloadersettings}
                        recoverysequence        {ad69be4c-cf8c-11ef-9047-6690debbc340}
                        recoveryenabled         Yes
                        isolatedcontext         Yes
                        allowedinmemorysettings 0x15000075
                        filedevice              partition=C:
                        custom:21000026         partition=C:
                        filepath                \hiberfil.sys
                        debugoptionenabled      No
                        
                        Windows Memory Tester
                        ---------------------
                        identifier              {memdiag}
                        device                  partition=S:
                        path                    \EFI\Microsoft\Boot\memtest.efi
                        description             Windows Memory Diagnostic
                        locale                  en-US
                        inherit                 {globalsettings}
                        badmemoryaccess         Yes
                        
                        EMS Settings
                        ------------
                        identifier              {emssettings}
                        bootems                 Yes
                        
                        Debugger Settings
                        -----------------
                        identifier              {dbgsettings}
                        debugtype               Serial
                        debugport               1
                        baudrate                115200
                        
                        RAM Defects
                        -----------
                        identifier              {badmemory}
                        
                        Global Settings
                        ---------------
                        identifier              {globalsettings}
                        inherit                 {dbgsettings}
                                                {emssettings}
                                                {badmemory}
                        
                        Boot Loader Settings
                        --------------------
                        identifier              {bootloadersettings}
                        inherit                 {globalsettings}
                                                {hypervisorsettings}
                        
                        Hypervisor Settings
                        -------------------
                        identifier              {hypervisorsettings}
                        hypervisordebugtype     Serial
                        hypervisordebugport     1
                        hypervisorbaudrate      115200
                        
                        Resume Loader Settings
                        ----------------------
                        identifier              {resumeloadersettings}
                        inherit                 {globalsettings}
                        
                        Device options
                        --------------
                        identifier              {ad69be4d-cf8c-11ef-9047-6690debbc340}
                        description             Windows Recovery
                        ramdisksdidevice        partition=\Device\HarddiskVolume4
                        ramdisksdipath          \Recovery\WindowsRE\boot.sdi
                        
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                        • D Offline
                          dinhngtu Vates 🪐 XCP-ng Team @kagbasi-ngc
                          last edited by

                          @kagbasi-ngc {dbgsettings} are there but {default}/debug is not set to Yes.

                          K 1 Reply Last reply Reply Quote 0
                          • K Offline
                            kagbasi-ngc @dinhngtu
                            last edited by

                            @dinhngtu My apologies for the delayed response. Got busy with several meetings.

                            So, I finally got the debugger to attach to the VM (after many tries). I was able to capture some logs, but was not able to get any response to the command you asked me to run: sxe -c "lm1mna (poi(rdx));g" ld

                            One thing I did was to re-install the xen drivers, so you'll see them get loaded in the debug logs.

                            Another thing to also point out, I cloned the snapshot of this VM to a new VM and observed the following:

                            • The cloned VM from snapshot booted up all the way into Windows, and I was able to login.

                            • I noticed that the Start Menu would not open (after several clicks), even though the Windows Explorer opens. So, I initiated a reboot - this time using the XO restart button.

                            • The VM went down for a reboot and got stuck in the same boot state (i.e., spinning wheel after the Windows splash logo). The VM's NIC comes up, however, because it starts responding to pings.

                            Anyway, here're the debug logs from the original VM:

                            
                            ************* Preparing the environment for Debugger Extensions Gallery repositories **************
                               ExtensionRepository : Implicit
                               UseExperimentalFeatureForNugetShare : true
                               AllowNugetExeUpdate : true
                               NonInteractiveNuget : true
                               AllowNugetMSCredentialProviderInstall : true
                               AllowParallelInitializationOfLocalRepositories : true
                               EnableRedirectToChakraJsProvider : false
                            
                               -- Configuring repositories
                                  ----> Repository : LocalInstalled, Enabled: true
                                  ----> Repository : UserExtensions, Enabled: true
                            
                            >>>>>>>>>>>>> Preparing the environment for Debugger Extensions Gallery repositories completed, duration 0.000 seconds
                            
                            ************* Waiting for Debugger Extensions Gallery to Initialize **************
                            
                            >>>>>>>>>>>>> Waiting for Debugger Extensions Gallery to Initialize completed, duration 0.015 seconds
                               ----> Repository : UserExtensions, Enabled: true, Packages count: 0
                               ----> Repository : LocalInstalled, Enabled: true, Packages count: 42
                            
                            Microsoft (R) Windows Debugger Version 10.0.27725.1000 AMD64
                            Copyright (c) Microsoft Corporation. All rights reserved.
                            
                            Opened 10.0.10.12
                            Waiting to reconnect...
                            Connected to Windows 10 20348 x64 target at (Tue Jan 28 20:04:11.011 2025 (UTC - 5:00)), ptr64 TRUE
                            Kernel Debugger connection established.
                            Symbol search path is: srv*
                            Executable search path is: 
                            Windows 10 Kernel Version 20348 MP (1 procs) Free x64
                            Edition build lab: 20348.859.amd64fre.fe_release_svc_prod2.220707-1832
                            Kernel base = 0xfffff803`1be00000 PsLoadedModuleList = 0xfffff803`1ca33d20
                            System Uptime: 0 days 0:00:00.000
                            Unable to load image ntkrnlmp.exe, Win32 error 0n2
                            xen|LogReadLogLevel: fail1 (c0000034)
                            xen|LogReadLogLevel: fail1 (c0000034)
                            xen|DllInitialize: 9.1.9 (105) (10.09.2024)
                            xen|AcpiFindRsdp: 0x00000000000EA020
                            xen|SystemInitialize: CPUs 2 / 4
                            xen|SystemGetStartOptions:  NOEXECUTE=OPTOUT  BOOTLOG  DEBUGPORT=COM1  BAUDRATE=115200  FVEBOOT=2670592  NOVGA  DEBUG
                            xen|SystemGetVersionInformation: KERNEL: 10.0 (BUILD 20348) PLATFORM WIN32_NT (x64)
                            xen|SystemGetVersionInformation: SUITES:
                            xen|SystemGetVersionInformation: - TERMINAL
                            xen|SystemGetVersionInformation: - SINGLEUSERTS
                            xen|SystemGetVersionInformation: TYPE: SERVER
                            xen|SystemGetMemoryInformation: RANGE[0] 00000000.00001000 - 00000000.0009ffff
                            xen|SystemGetMemoryInformation: RANGE[1] 00000000.00100000 - 00000000.ee4fbfff
                            xen|SystemGetMemoryInformation: RANGE[2] 00000000.ee4fd000 - 00000000.ee510fff
                            xen|SystemGetMemoryInformation: RANGE[3] 00000000.ee51b000 - 00000000.ef59afff
                            xen|SystemGetMemoryInformation: RANGE[4] 00000000.ef5ff000 - 00000000.effdefff
                            xen|SystemGetMemoryInformation: RANGE[5] 00000000.effff000 - 00000000.efffffff
                            xen|SystemGetMemoryInformation: RANGE[6] 00000001.00000000 - 00000004.0f7fffff
                            xen|SystemGetMemoryInformation: MaximumPhysicalAddress = 00000004.0f7fffff
                            xen|AcpiGetXsdt: 0x00000000FC00A5E0
                            xen|SystemProcessorDpc: ====> (0:0)
                            xen|SystemViridianInformation: ====>
                            xen|SystemViridianInformation: Interface Identifier: Hv#1
                            xen|SystemViridianInformation: Hypervisor Features:
                            xen|SystemViridianInformation:  - Partition Reference Counter
                            xen|SystemViridianInformation:  - Basic SynIC MSRs
                            xen|SystemViridianInformation:  - Synthetic Timer MSRs
                            xen|SystemViridianInformation:  - APIC Access MSRs
                            xen|SystemViridianInformation:  - Hypercall MSRs
                            xen|SystemViridianInformation:  - Virtual Processor Index MSR
                            xen|SystemViridianInformation:  - Partition Reference TSC MSR
                            xen|SystemViridianInformation:  - Timer Frequency MSR
                            xen|SystemViridianInformation: Recommendations:
                            xen|SystemViridianInformation:  - EOI, ICR and TPR access via MSR
                            xen|SystemViridianInformation:  - Use relaxed timing
                            xen|SystemViridianInformation:  - Retry spinlocks 2047 times
                            xen|SystemViridianInformation: Hardware Features:
                            xen|SystemViridianInformation:  - APIC overlay assist
                            xen|SystemViridianInformation:  - MSR bitmaps
                            xen|SystemViridianInformation:  - Second Level Address Translation (SLAT)
                            xen|SystemViridianInformation: <====
                            xen|SystemProcessorInitialize: Manufacturer: GenuineIntel
                            xen|SystemProcessorInitialize: APIC ID: 00
                            xen|SystemProcessorInitialize: PROCESSOR ID: 00
                            xen|SystemProcessorDpc: <==== (0:0)
                            xen|SystemProcessorDpc: ====> (0:1)
                            xen|SystemProcessorInitialize: Manufacturer: GenuineIntel
                            xen|SystemProcessorInitialize: APIC ID: 02
                            xen|SystemProcessorInitialize: PROCESSOR ID: 01
                            xen|SystemProcessorDpc: <==== (0:1)
                            xen|SystemGetTimeInformation: FALSE
                            xen|ModuleAdd: FFFFF8031BE00000 - FFFFF8031CE46FFF [ntoskrnl.exe]
                            xen|ModuleAdd: FFFFF80319DA0000 - FFFFF80319DA5FFF [hal.dll]
                            xen|ModuleAdd: FFFFF80319DB0000 - FFFFF80319DBDFFF [kdcom.dll]
                            xen|ModuleAdd: FFFFF803199F0000 - FFFFF80319D73FFF [mcupdate_GenuineIntel.dll]
                            xen|ModuleAdd: FFFFF8031F200000 - FFFFF8031F26CFFF [CLFS.SYS]
                            xen|ModuleAdd: FFFFF80319DC0000 - FFFFF80319DE7FFF [tm.sys]
                            xen|ModuleAdd: FFFFF8031F270000 - FFFFF8031F289FFF [PSHED.dll]
                            xen|ModuleAdd: FFFFF80319DF0000 - FFFFF80319DFAFFF [BOOTVID.dll]
                            xen|ModuleAdd: FFFFF8031F3B0000 - FFFFF8031F420FFF [FLTMGR.SYS]
                            xen|ModuleAdd: FFFFF8031F460000 - FFFFF8031F4C1FFF [msrpc.sys]
                            xen|ModuleAdd: FFFFF8031F430000 - FFFFF8031F458FFF [ksecdd.sys]
                            xen|ModuleAdd: FFFFF8031F290000 - FFFFF8031F3A2FFF [clipsp.sys]
                            xen|ModuleAdd: FFFFF8031F4D0000 - FFFFF8031F4DDFFF [cmimcext.sys]
                            xen|ModuleAdd: FFFFF8031F4E0000 - FFFFF8031F4F0FFF [werkernel.sys]
                            xen|ModuleAdd: FFFFF8031F500000 - FFFFF8031F50BFFF [ntosext.sys]
                            xen|ModuleAdd: FFFFF8031F510000 - FFFFF8031F5F4FFF [CI.dll]
                            xen|ModuleAdd: FFFFF8031F600000 - FFFFF8031F6BAFFF [cng.sys]
                            xen|ModuleAdd: FFFFF8031F6C0000 - FFFFF8031F79CFFF [Wdf01000.sys]
                            xen|ModuleAdd: FFFFF8031F7A0000 - FFFFF8031F7B3FFF [WDFLDR.SYS]
                            xen|ModuleAdd: FFFFF8031F7C0000 - FFFFF8031F7CCFFF [PRM.sys]
                            xen|ModuleAdd: FFFFF8031F7D0000 - FFFFF8031F7F5FFF [acpiex.sys]
                            xen|ModuleAdd: FFFFF8031F800000 - FFFFF8031F810FFF [WppRecorder.sys]
                            xen|ModuleAdd: FFFFF8031F820000 - FFFFF8031F82DFFF [msseccore.sys]
                            xen|ModuleAdd: FFFFF8031F830000 - FFFFF8031F84AFFF [SgrmAgent.sys]
                            xen|ModuleAdd: FFFFF8031F850000 - FFFFF8031F91AFFF [ACPI.sys]
                            xen|ModuleAdd: FFFFF8031F920000 - FFFFF8031F92BFFF [WMILIB.SYS]
                            xen|ModuleAdd: FFFFF8031F930000 - FFFFF8031F940FFF [WdBoot.sys]
                            xen|ModuleAdd: FFFFF8031F950000 - FFFFF8031F966FFF [WindowsTrustedRT.sys]
                            xen|ModuleAdd: FFFFF8031F970000 - FFFFF8031F9DAFFF [intelpep.sys]
                            xen|ModuleAdd: FFFFF8031F9E0000 - FFFFF8031F9EAFFF [WindowsTrustedRTProxy.sys]
                            xen|ModuleAdd: FFFFF8031F9F0000 - FFFFF8031F9FAFFF [IntelPMT.sys]
                            xen|ModuleAdd: FFFFF8031FA00000 - FFFFF8031FA14FFF [pcw.sys]
                            xen|ModuleAdd: FFFFF8031FA20000 - FFFFF8031FA3DFFF [sacdrv.sys]
                            xen|ModuleAdd: FFFFF8031FAE0000 - FFFFF8031FC5BFFF [NDIS.SYS]
                            xen|ModuleAdd: FFFFF8031FA40000 - FFFFF8031FADDFFF [NETIO.SYS]
                            xen|ModuleAdd: FFFFF8031FC60000 - FFFFF8031FC6AFFF [msisadrv.sys]
                            xen|ModuleAdd: FFFFF8031FC70000 - FFFFF8031FC85FFF [vdrvroot.sys]
                            xen|ModuleAdd: FFFFF8031FC90000 - FFFFF8031FD13FFF [pci.sys]
                            xen|ModuleAdd: FFFFF8031FD20000 - FFFFF8031FD50FFF [xenbus.sys]
                            xen|ModuleAdd: FFFFF8031FD60000 - FFFFF8031FD80FFF [xen.sys]
                            xen|ModuleAdd: FFFFF8031FD90000 - FFFFF8031FDA0FFF [xenfilt.sys]
                            xen|ModuleAdd: FFFFF8031FDB0000 - FFFFF8031FDDEFFF [pdc.sys]
                            xen|ModuleAdd: FFFFF8031FDE0000 - FFFFF8031FDF7FFF [CEA.sys]
                            xen|ModuleAdd: FFFFF8031FE00000 - FFFFF8031FE30FFF [partmgr.sys]
                            xen|ModuleAdd: FFFFF8031FE40000 - FFFFF8031FF0BFFF [spaceport.sys]
                            xen|ModuleAdd: FFFFF8031FF10000 - FFFFF8031FF29FFF [volmgr.sys]
                            xen|ModuleAdd: FFFFF8031FF30000 - FFFFF8031FF92FFF [volmgrx.sys]
                            xen|ModuleAdd: FFFFF8031FFA0000 - FFFFF8031FFAAFFF [intelide.sys]
                            xen|ModuleAdd: FFFFF8031FFB0000 - FFFFF8031FFC2FFF [PCIIDEX.SYS]
                            xen|ModuleAdd: FFFFF8031FFD0000 - FFFFF8031FFEDFFF [mountmgr.sys]
                            xen|ModuleAdd: FFFFF8031FFF0000 - FFFFF8031FFFCFFF [atapi.sys]
                            xen|ModuleAdd: FFFFF80320000000 - FFFFF8032003BFFF [ataport.SYS]
                            xen|ModuleAdd: FFFFF80320040000 - FFFFF80320075FFF [stornvme.sys]
                            xen|ModuleAdd: FFFFF80320080000 - FFFFF8032014AFFF [storport.sys]
                            xen|ModuleAdd: FFFFF80320150000 - FFFFF8032016BFFF [xenvbd.sys]
                            xen|ModuleAdd: FFFFF80320170000 - FFFFF803201A9FFF [xencrsh.sys]
                            xen|ModuleAdd: FFFFF803201B0000 - FFFFF803201BDFFF [xendisk.sys]
                            xen|ModuleAdd: FFFFF803201C0000 - FFFFF803201E1FFF [EhStorClass.sys]
                            xen|ModuleAdd: FFFFF803201F0000 - FFFFF80320231FFF [Wof.sys]
                            xen|ModuleAdd: FFFFF80320240000 - FFFFF803202A9FFF [WdFilter.sys]
                            xen|ModuleAdd: FFFFF803202B0000 - FFFFF803205C0FFF [Ntfs.sys]
                            xen|ModuleAdd: FFFFF803205D0000 - FFFFF803205DCFFF [Fs_Rec.sys]
                            xen|ModuleAdd: FFFFF803205E0000 - FFFFF80320612FFF [ksecpkg.sys]
                            xen|ModuleAdd: FFFFF80320620000 - FFFFF8032093EFFF [tcpip.sys]
                            xen|ModuleAdd: FFFFF80320940000 - FFFFF803209C0FFF [fwpkclnt.sys]
                            xen|ModuleAdd: FFFFF803209D0000 - FFFFF803209FFFFF [wfplwfs.sys]
                            xen|ModuleAdd: FFFFF80320A10000 - FFFFF80320A1AFFF [volume.sys]
                            xen|ModuleAdd: FFFFF80320A20000 - FFFFF80320A93FFF [volsnap.sys]
                            xen|ModuleAdd: FFFFF80320AA0000 - FFFFF80320AC5FFF [mup.sys]
                            xen|ModuleAdd: FFFFF80320AD0000 - FFFFF80320ADFFFF [hwpolicy.sys]
                            xen|ModuleAdd: FFFFF80320AF0000 - FFFFF80320B0EFFF [disk.sys]
                            xen|ModuleAdd: FFFFF80320B10000 - FFFFF80320B84FFF [CLASSPNP.SYS]
                            xen|UnplugSetRequest: DISKS (0)
                            xen|UnplugSetRequest: NICS (0)
                            xenbus|DriverEntry: 9.1.9 (105) (10.09.2024)
                            xen|LogReadLogLevel: fail1 (c0000034)
                            xen|ConfigSetActive: PCI\VEN_5853&DEV_0002&SUBSYS_00015853&REV_01\18: \Registry\Machine\System\CurrentControlSet\Services\pci,65536,0,3,0
                            xenbus|FdoCreate: FFFFB889490CBC00 (XS0002 XENBUS) [ACTIVE]
                            xen|FiltersInstallClass: DEVCLASS_SYSTEM XENFILT
                            xen|FiltersInstallClass: DEVCLASS_HDC XENFILT
                            xenbus|FdoConnectInterrupt: FFFFB889490D5910: Shared LevelSensitive CPU 0:0 VECTOR a1
                            xenbus|FdoConnectInterrupt: FFFFB889490D5B30: DeviceExclusive Latched CPU 0:0 VECTOR b1
                            xenbus|FdoConnectInterrupt: FFFFB889490D5D50: DeviceExclusive Latched CPU 0:1 VECTOR b1
                            xenbus|FdoScan: ====>
                            xenbus|FdoSuspend: ====>
                            xenbus|FdoBalloon: ====>
                            xenbus|FdoPciHoleCreate: 000f0000 - 000f0fff
                            xenbus|EvtchnAbiAcquire: FIFO
                            xenbus|EvtchnInterruptEnable: CPU 0:0 (Vector = 177)
                            xenbus|EvtchnInterruptEnable: CPU 0:1 (Vector = 177)
                            xenbus|EvtchnInterruptEnable: CALLBACK VIA (Vector = 28)
                            xenbus|GnttabExpand: added references [00000020 - 000001ff]
                            xenbus|EvtchnFifoExpand: added ports [00000000 - 000003ff]
                            xenbus|__FdoVirqCreate: DEBUG: CPU 0:0
                            xenbus|PdoCreate: FFFFB88948C7B540 (VBD)
                            xenbus|PdoDumpRevisions: 09000008 -> SUSPEND v1 SHARED_INFO v3 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                            xenbus|PdoDumpRevisions: 09000009 -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                            xenbus|PdoDumpRevisions: 0900000A -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v2 CONSOLE v1 EMULATED v2
                            xenbus|PdoDumpRevisions: 0900000B -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v3 CONSOLE v1 EMULATED v2
                            xenbus|PdoCreate: FFFFB88948D7F540 (VIF)
                            xenbus|PdoDumpRevisions: 09000008 -> SUSPEND v1 SHARED_INFO v3 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                            xenbus|PdoDumpRevisions: 09000009 -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                            xenbus|PdoDumpRevisions: 0900000A -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v2 CONSOLE v1 EMULATED v2
                            xenbus|PdoDumpRevisions: 0900000B -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v3 CONSOLE v1 EMULATED v2
                            xenbus|PdoCreate: FFFFB88948D7F870 (IFACE)
                            xenbus|PdoDumpRevisions: 09000008 -> SUSPEND v1 SHARED_INFO v3 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                            xenbus|PdoDumpRevisions: 09000009 -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                            xenbus|PdoDumpRevisions: 0900000A -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v2 CONSOLE v1 EMULATED v2
                            xenbus|PdoDumpRevisions: 0900000B -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v3 CONSOLE v1 EMULATED v2
                            xenfilt|DriverEntry: 9.1.9 (105) (10.09.2024)
                            xenfilt|DriverAddDevice: FFFFB8894910B360 UNKNOWN
                            xenfilt|DriverGetEmulatedType: MATCH: Internal_IDE_Channel -> IDE
                            xenfilt|DriverAddDevice: FFFFB8894916BAB0 IDE
                            xenfilt|FdoCreate: FFFFB88949170DA0 (PCIIDE\IDEChannel\0)
                            xenfilt|DriverGetEmulatedType: MATCH: Internal_IDE_Channel -> IDE
                            xenfilt|DriverAddDevice: FFFFB8894916C060 IDE
                            xenfilt|FdoCreate: FFFFB88949176DA0 (PCIIDE\IDEChannel\1)
                            xenfilt|PdoCreate: FFFFB889490E2510 (IDE\CdRomQEMU_QEMU_DVD-ROM_______________________2.5+____\1.1.0) 
                            Break instruction exception - code 80000003 (first chance)
                            *******************************************************************************
                            *                                                                             *
                            *   You are seeing this message because you pressed either                    *
                            *       CTRL+C (if you run console kernel debugger) or,                       *
                            *       CTRL+BREAK (if you run GUI kernel debugger),                          *
                            *   on your debugger machine's keyboard.                                      *
                            *                                                                             *
                            *                   THIS IS NOT A BUG OR A SYSTEM CRASH                       *
                            *                                                                             *
                            * If you did not intend to break into the debugger, press the "g" key, then   *
                            * press the "Enter" key now.  This message might immediately reappear.  If it *
                            * does, press "g" and "Enter" again.                                          *
                            *                                                                             *
                            *******************************************************************************
                            nt!DbgBreakPointWithStatus:
                            fffff803`1c229560 cc              int     3
                            0: kd> sxe -c "lm1mna (poi(rdx));g" ld
                            0: kd> g
                            
                            
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                            • D Offline
                              dinhngtu Vates 🪐 XCP-ng Team @kagbasi-ngc
                              last edited by

                              @kagbasi-ngc It seems like the debugger was attached a little late, after the Xen driver was loaded. Could you try attaching Windbg at the F8 menu instead?

                              Another thing to also point out, I cloned the snapshot of this VM to a new VM and observed the following:

                              • The cloned VM from snapshot booted up all the way into Windows, and I was able to login.

                              • I noticed that the Start Menu would not open (after several clicks), even though the Windows Explorer opens. So, I initiated a reboot - this time using the XO restart button.

                              • The VM went down for a reboot and got stuck in the same boot state (i.e., spinning wheel after the Windows splash logo). The VM's NIC comes up, however, because it starts responding to pings.

                              This tells me perhaps something is wrong with your template VM itself. Could you build a new template VM without any prebaked drivers to see if it's a driver or group policy issue?

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                              • K Offline
                                kagbasi-ngc @dinhngtu
                                last edited by

                                @dinhngtu I can certainly do that. I will be back in the lab in about 2 hours and will retry.

                                Concerning the template, hmmm....I was having the same thoughts, so I've pulled down a Windows Server 2022 ISO directly from Microsoft and I'm gonna build a new template with it, to see if the problem resurfaces. It's possible there's something in the Secure Host Baseline that is causing problems with this platform (not sure if it's XCP-ng, or Xen). However, if that ends up being the case, it would be a bummer as that would weaken my case for adoption of the Vates VMS.

                                In any case, I'll report back in a couple of hours.

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                                • K Offline
                                  kagbasi-ngc @dinhngtu
                                  last edited by

                                  @dinhngtu said in VM Failing to Reboot:

                                  @kagbasi-ngc It seems like the debugger was attached a little late, after the Xen driver was loaded. Could you try attaching Windbg at the F8 menu instead?

                                  As requested, I managed to attach Windbg at the F8 menu. Here's the output:

                                  
                                  ************* Preparing the environment for Debugger Extensions Gallery repositories **************
                                     ExtensionRepository : Implicit
                                     UseExperimentalFeatureForNugetShare : true
                                     AllowNugetExeUpdate : true
                                     NonInteractiveNuget : true
                                     AllowNugetMSCredentialProviderInstall : true
                                     AllowParallelInitializationOfLocalRepositories : true
                                     EnableRedirectToChakraJsProvider : false
                                  
                                     -- Configuring repositories
                                        ----> Repository : LocalInstalled, Enabled: true
                                        ----> Repository : UserExtensions, Enabled: true
                                  
                                  >>>>>>>>>>>>> Preparing the environment for Debugger Extensions Gallery repositories completed, duration 0.000 seconds
                                  
                                  ************* Waiting for Debugger Extensions Gallery to Initialize **************
                                  
                                  >>>>>>>>>>>>> Waiting for Debugger Extensions Gallery to Initialize completed, duration 0.032 seconds
                                     ----> Repository : UserExtensions, Enabled: true, Packages count: 0
                                     ----> Repository : LocalInstalled, Enabled: true, Packages count: 42
                                  
                                  Microsoft (R) Windows Debugger Version 10.0.27725.1000 AMD64
                                  Copyright (c) Microsoft Corporation. All rights reserved.
                                  
                                  Opened 10.0.10.12
                                  Waiting to reconnect...
                                  Connected to Windows 10 20348 x64 target at (Wed Jan 29 20:06:47.664 2025 (UTC - 5:00)), ptr64 TRUE
                                  Kernel Debugger connection established.
                                  Symbol search path is: srv*
                                  Executable search path is: 
                                  Windows 10 Kernel Version 20348 MP (1 procs) Free x64
                                  Edition build lab: 20348.859.amd64fre.fe_release_svc_prod2.220707-1832
                                  Kernel base = 0xfffff802`6c600000 PsLoadedModuleList = 0xfffff802`6d233d20
                                  System Uptime: 0 days 0:00:00.000
                                  Unable to load image ntkrnlmp.exe, Win32 error 0n2
                                  xen|LogReadLogLevel: fail1 (c0000034)
                                  xen|LogReadLogLevel: fail1 (c0000034)
                                  xen|DllInitialize: 9.1.9 (105) (10.09.2024)
                                  xen|AcpiFindRsdp: 0x00000000000EA020
                                  xen|SystemInitialize: CPUs 2 / 4
                                  xen|SystemGetStartOptions:  NOEXECUTE=OPTOUT  BOOTLOG  DEBUGPORT=COM1  BAUDRATE=115200  FVEBOOT=2670592  NOVGA  DEBUG
                                  xen|SystemGetVersionInformation: KERNEL: 10.0 (BUILD 20348) PLATFORM WIN32_NT (x64)
                                  xen|SystemGetVersionInformation: SUITES:
                                  xen|SystemGetVersionInformation: - TERMINAL
                                  xen|SystemGetVersionInformation: - SINGLEUSERTS
                                  xen|SystemGetVersionInformation: TYPE: SERVER
                                  xen|SystemGetMemoryInformation: RANGE[0] 00000000.00001000 - 00000000.0009ffff
                                  xen|SystemGetMemoryInformation: RANGE[1] 00000000.00100000 - 00000000.ee4fbfff
                                  xen|SystemGetMemoryInformation: RANGE[2] 00000000.ee4fd000 - 00000000.ee510fff
                                  xen|SystemGetMemoryInformation: RANGE[3] 00000000.ee51b000 - 00000000.ef59afff
                                  xen|SystemGetMemoryInformation: RANGE[4] 00000000.ef5ff000 - 00000000.effdefff
                                  xen|SystemGetMemoryInformation: RANGE[5] 00000000.effff000 - 00000000.efffffff
                                  xen|SystemGetMemoryInformation: RANGE[6] 00000001.00000000 - 00000004.0f7fffff
                                  xen|SystemGetMemoryInformation: MaximumPhysicalAddress = 00000004.0f7fffff
                                  xen|AcpiGetXsdt: 0x00000000FC00A5E0
                                  xen|SystemProcessorDpc: ====> (0:0)
                                  xen|SystemViridianInformation: ====>
                                  xen|SystemViridianInformation: Interface Identifier: Hv#1
                                  xen|SystemViridianInformation: Hypervisor Features:
                                  xen|SystemViridianInformation:  - Partition Reference Counter
                                  xen|SystemViridianInformation:  - Basic SynIC MSRs
                                  xen|SystemViridianInformation:  - Synthetic Timer MSRs
                                  xen|SystemViridianInformation:  - APIC Access MSRs
                                  xen|SystemViridianInformation:  - Hypercall MSRs
                                  xen|SystemViridianInformation:  - Virtual Processor Index MSR
                                  xen|SystemViridianInformation:  - Partition Reference TSC MSR
                                  xen|SystemViridianInformation:  - Timer Frequency MSR
                                  xen|SystemViridianInformation: Recommendations:
                                  xen|SystemViridianInformation:  - EOI, ICR and TPR access via MSR
                                  xen|SystemViridianInformation:  - Use relaxed timing
                                  xen|SystemViridianInformation:  - Retry spinlocks 2047 times
                                  xen|SystemViridianInformation: Hardware Features:
                                  xen|SystemViridianInformation:  - APIC overlay assist
                                  xen|SystemViridianInformation:  - MSR bitmaps
                                  xen|SystemViridianInformation:  - Second Level Address Translation (SLAT)
                                  xen|SystemViridianInformation: <====
                                  xen|SystemProcessorInitialize: Manufacturer: GenuineIntel
                                  xen|SystemProcessorInitialize: APIC ID: 00
                                  xen|SystemProcessorInitialize: PROCESSOR ID: 00
                                  xen|SystemProcessorDpc: <==== (0:0)
                                  xen|SystemProcessorDpc: ====> (0:1)
                                  xen|SystemProcessorInitialize: Manufacturer: GenuineIntel
                                  xen|SystemProcessorInitialize: APIC ID: 02
                                  xen|SystemProcessorInitialize: PROCESSOR ID: 01
                                  xen|SystemProcessorDpc: <==== (0:1)
                                  xen|SystemGetTimeInformation: FALSE
                                  xen|ModuleAdd: FFFFF8026C600000 - FFFFF8026D646FFF [ntoskrnl.exe]
                                  xen|ModuleAdd: FFFFF8026B910000 - FFFFF8026B915FFF [hal.dll]
                                  xen|ModuleAdd: FFFFF8026B920000 - FFFFF8026B92DFFF [kdcom.dll]
                                  xen|ModuleAdd: FFFFF8026B560000 - FFFFF8026B8E3FFF [mcupdate_GenuineIntel.dll]
                                  xen|ModuleAdd: FFFFF8026B960000 - FFFFF8026B9CCFFF [CLFS.SYS]
                                  xen|ModuleAdd: FFFFF8026B930000 - FFFFF8026B957FFF [tm.sys]
                                  xen|ModuleAdd: FFFFF8026B9D0000 - FFFFF8026B9E9FFF [PSHED.dll]
                                  xen|ModuleAdd: FFFFF8026B9F0000 - FFFFF8026B9FAFFF [BOOTVID.dll]
                                  xen|ModuleAdd: FFFFF80270F20000 - FFFFF80270F90FFF [FLTMGR.SYS]
                                  xen|ModuleAdd: FFFFF80270FD0000 - FFFFF80271031FFF [msrpc.sys]
                                  xen|ModuleAdd: FFFFF80270FA0000 - FFFFF80270FC8FFF [ksecdd.sys]
                                  xen|ModuleAdd: FFFFF80270E00000 - FFFFF80270F12FFF [clipsp.sys]
                                  xen|ModuleAdd: FFFFF80271040000 - FFFFF8027104DFFF [cmimcext.sys]
                                  xen|ModuleAdd: FFFFF80271050000 - FFFFF80271060FFF [werkernel.sys]
                                  xen|ModuleAdd: FFFFF80271070000 - FFFFF8027107BFFF [ntosext.sys]
                                  xen|ModuleAdd: FFFFF80271080000 - FFFFF80271164FFF [CI.dll]
                                  xen|ModuleAdd: FFFFF80271170000 - FFFFF8027122AFFF [cng.sys]
                                  xen|ModuleAdd: FFFFF80271230000 - FFFFF8027130CFFF [Wdf01000.sys]
                                  xen|ModuleAdd: FFFFF80271310000 - FFFFF80271323FFF [WDFLDR.SYS]
                                  xen|ModuleAdd: FFFFF80271330000 - FFFFF8027133CFFF [PRM.sys]
                                  xen|ModuleAdd: FFFFF80271340000 - FFFFF80271365FFF [acpiex.sys]
                                  xen|ModuleAdd: FFFFF80271370000 - FFFFF80271380FFF [WppRecorder.sys]
                                  xen|ModuleAdd: FFFFF80271390000 - FFFFF8027139DFFF [msseccore.sys]
                                  xen|ModuleAdd: FFFFF802713A0000 - FFFFF802713BAFFF [SgrmAgent.sys]
                                  xen|ModuleAdd: FFFFF802713C0000 - FFFFF8027148AFFF [ACPI.sys]
                                  xen|ModuleAdd: FFFFF80271490000 - FFFFF8027149BFFF [WMILIB.SYS]
                                  xen|ModuleAdd: FFFFF802714A0000 - FFFFF802714B0FFF [WdBoot.sys]
                                  xen|ModuleAdd: FFFFF802714C0000 - FFFFF802714D6FFF [WindowsTrustedRT.sys]
                                  xen|ModuleAdd: FFFFF802714E0000 - FFFFF8027154AFFF [intelpep.sys]
                                  xen|ModuleAdd: FFFFF80271550000 - FFFFF8027155AFFF [WindowsTrustedRTProxy.sys]
                                  xen|ModuleAdd: FFFFF80271560000 - FFFFF8027156AFFF [IntelPMT.sys]
                                  xen|ModuleAdd: FFFFF80271570000 - FFFFF80271584FFF [pcw.sys]
                                  xen|ModuleAdd: FFFFF80271590000 - FFFFF802715ADFFF [sacdrv.sys]
                                  xen|ModuleAdd: FFFFF80271650000 - FFFFF802717CBFFF [NDIS.SYS]
                                  xen|ModuleAdd: FFFFF802715B0000 - FFFFF8027164DFFF [NETIO.SYS]
                                  xen|ModuleAdd: FFFFF802717D0000 - FFFFF802717DAFFF [msisadrv.sys]
                                  xen|ModuleAdd: FFFFF802717E0000 - FFFFF802717F5FFF [vdrvroot.sys]
                                  xen|ModuleAdd: FFFFF80271800000 - FFFFF80271883FFF [pci.sys]
                                  xen|ModuleAdd: FFFFF80271890000 - FFFFF802718C0FFF [xenbus.sys]
                                  xen|ModuleAdd: FFFFF802718D0000 - FFFFF802718F0FFF [xen.sys]
                                  xen|ModuleAdd: FFFFF80271900000 - FFFFF80271910FFF [xenfilt.sys]
                                  xen|ModuleAdd: FFFFF80271920000 - FFFFF8027194EFFF [pdc.sys]
                                  xen|ModuleAdd: FFFFF80271950000 - FFFFF80271967FFF [CEA.sys]
                                  xen|ModuleAdd: FFFFF80271970000 - FFFFF802719A0FFF [partmgr.sys]
                                  xen|ModuleAdd: FFFFF802719B0000 - FFFFF80271A7BFFF [spaceport.sys]
                                  xen|ModuleAdd: FFFFF80271A80000 - FFFFF80271A99FFF [volmgr.sys]
                                  xen|ModuleAdd: FFFFF80271AA0000 - FFFFF80271B02FFF [volmgrx.sys]
                                  xen|ModuleAdd: FFFFF80271B10000 - FFFFF80271B1AFFF [intelide.sys]
                                  xen|ModuleAdd: FFFFF80271B20000 - FFFFF80271B32FFF [PCIIDEX.SYS]
                                  xen|ModuleAdd: FFFFF80271B40000 - FFFFF80271B5DFFF [mountmgr.sys]
                                  xen|ModuleAdd: FFFFF80271B60000 - FFFFF80271B6CFFF [atapi.sys]
                                  xen|ModuleAdd: FFFFF80271B70000 - FFFFF80271BABFFF [ataport.SYS]
                                  xen|ModuleAdd: FFFFF80271BB0000 - FFFFF80271BE5FFF [stornvme.sys]
                                  xen|ModuleAdd: FFFFF80271BF0000 - FFFFF80271CBAFFF [storport.sys]
                                  xen|ModuleAdd: FFFFF80271CC0000 - FFFFF80271CDBFFF [xenvbd.sys]
                                  xen|ModuleAdd: FFFFF80271CE0000 - FFFFF80271D19FFF [xencrsh.sys]
                                  xen|ModuleAdd: FFFFF80271D20000 - FFFFF80271D2DFFF [xendisk.sys]
                                  xen|ModuleAdd: FFFFF80271D30000 - FFFFF80271D51FFF [EhStorClass.sys]
                                  xen|ModuleAdd: FFFFF80271D60000 - FFFFF80271DA1FFF [Wof.sys]
                                  xen|ModuleAdd: FFFFF80271DB0000 - FFFFF80271E19FFF [WdFilter.sys]
                                  xen|ModuleAdd: FFFFF80271E20000 - FFFFF80272130FFF [Ntfs.sys]
                                  xen|ModuleAdd: FFFFF80272140000 - FFFFF8027214CFFF [Fs_Rec.sys]
                                  xen|ModuleAdd: FFFFF80272150000 - FFFFF80272182FFF [ksecpkg.sys]
                                  xen|ModuleAdd: FFFFF80272190000 - FFFFF802724AEFFF [tcpip.sys]
                                  xen|ModuleAdd: FFFFF802724B0000 - FFFFF80272530FFF [fwpkclnt.sys]
                                  xen|ModuleAdd: FFFFF80272540000 - FFFFF8027256FFFF [wfplwfs.sys]
                                  xen|ModuleAdd: FFFFF80272580000 - FFFFF8027258AFFF [volume.sys]
                                  xen|ModuleAdd: FFFFF80272590000 - FFFFF80272603FFF [volsnap.sys]
                                  xen|ModuleAdd: FFFFF80272610000 - FFFFF80272635FFF [mup.sys]
                                  xen|ModuleAdd: FFFFF80272640000 - FFFFF8027264FFFF [hwpolicy.sys]
                                  xen|ModuleAdd: FFFFF80272660000 - FFFFF8027267EFFF [disk.sys]
                                  xen|ModuleAdd: FFFFF80272680000 - FFFFF802726F4FFF [CLASSPNP.SYS]
                                  xen|UnplugSetRequest: DISKS (0)
                                  xen|UnplugSetRequest: NICS (0)
                                  xenbus|DriverEntry: 9.1.9 (105) (10.09.2024)
                                  xen|LogReadLogLevel: fail1 (c0000034)
                                  xen|ConfigSetActive: PCI\VEN_5853&DEV_0002&SUBSYS_00015853&REV_01\18: \Registry\Machine\System\CurrentControlSet\Services\pci,65536,0,3,0
                                  xenbus|FdoCreate: FFFF9A05CD4AB550 (XS0002 XENBUS) [ACTIVE]
                                  xen|FiltersInstallClass: DEVCLASS_SYSTEM XENFILT
                                  xen|FiltersInstallClass: DEVCLASS_HDC XENFILT
                                  xenbus|FdoConnectInterrupt: FFFF9A05CD90E6E0: Shared LevelSensitive CPU 0:0 VECTOR a1
                                  xenbus|FdoConnectInterrupt: FFFF9A05CD4AE6E0: DeviceExclusive Latched CPU 0:0 VECTOR b1
                                  xenbus|FdoConnectInterrupt: FFFF9A05CD4AD6E0: DeviceExclusive Latched CPU 0:1 VECTOR b1
                                  xenbus|FdoScan: ====>
                                  xenbus|FdoSuspend: ====>
                                  xenbus|FdoBalloon: ====>
                                  xenbus|FdoPciHoleCreate: 000f0000 - 000f0fff
                                  xenbus|EvtchnAbiAcquire: FIFO
                                  xenbus|EvtchnInterruptEnable: CPU 0:0 (Vector = 177)
                                  xenbus|EvtchnInterruptEnable: CPU 0:1 (Vector = 177)
                                  xenbus|EvtchnInterruptEnable: CALLBACK VIA (Vector = 28)
                                  xenbus|GnttabExpand: added references [00000020 - 000001ff]
                                  xenbus|EvtchnFifoExpand: added ports [00000000 - 000003ff]
                                  xenbus|__FdoVirqCreate: DEBUG: CPU 0:0
                                  xenbus|PdoCreate: FFFF9A05CD8DB530 (VBD)
                                  xenbus|PdoDumpRevisions: 09000008 -> SUSPEND v1 SHARED_INFO v3 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                                  xenbus|PdoDumpRevisions: 09000009 -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                                  xenbus|PdoDumpRevisions: 0900000A -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v2 CONSOLE v1 EMULATED v2
                                  xenbus|PdoDumpRevisions: 0900000B -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v3 CONSOLE v1 EMULATED v2
                                  xenbus|PdoCreate: FFFF9A05CD8DA530 (VIF)
                                  xenbus|PdoDumpRevisions: 09000008 -> SUSPEND v1 SHARED_INFO v3 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                                  xenbus|PdoDumpRevisions: 09000009 -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                                  xenbus|PdoDumpRevisions: 0900000A -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v2 CONSOLE v1 EMULATED v2
                                  xenbus|PdoDumpRevisions: 0900000B -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v3 CONSOLE v1 EMULATED v2
                                  xenbus|PdoCreate: FFFF9A05CD8D94B0 (IFACE)
                                  xenbus|PdoDumpRevisions: 09000008 -> SUSPEND v1 SHARED_INFO v3 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                                  xenbus|PdoDumpRevisions: 09000009 -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v1 CONSOLE v1 EMULATED v2
                                  xenbus|PdoDumpRevisions: 0900000A -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v2 CONSOLE v1 EMULATED v2
                                  xenbus|PdoDumpRevisions: 0900000B -> SUSPEND v1 SHARED_INFO v4 EVTCHN v9 DEBUG v1 STORE v2 RANGE_SET v1 CACHE v2 GNTTAB v4 UNPLUG v3 CONSOLE v1 EMULATED v2
                                  xenfilt|DriverEntry: 9.1.9 (105) (10.09.2024)
                                  xenfilt|DriverAddDevice: FFFF9A05CD8E2360 UNKNOWN
                                  xenfilt|DriverGetEmulatedType: MATCH: Internal_IDE_Channel -> IDE
                                  xenfilt|DriverAddDevice: FFFF9A05CD8DE270 IDE
                                  xenfilt|FdoCreate: FFFF9A05CD5DDDA0 (PCIIDE\IDEChannel\0)
                                  xenfilt|DriverGetEmulatedType: MATCH: Internal_IDE_Channel -> IDE
                                  xenfilt|DriverAddDevice: FFFF9A05CD8DE5A0 IDE
                                  xenfilt|FdoCreate: FFFF9A05CD939DA0 (PCIIDE\IDEChannel\1)
                                  xenfilt|PdoCreate: FFFF9A05CD97A750 (IDE\CdRomQEMU_QEMU_DVD-ROM_______________________2.5+____\1.1.0) 
                                  
                                  

                                  Could you build a new template VM without any prebaked drivers to see if it's a driver or group policy issue?

                                  I'm in the process of building a new template now using a vanilla ISO of Windows Server 2022. So far the VM is running fine; no BSOD after multiple reboots. I'll provide an update when patching is completed and I've turned the new VM to a template and built a VM from that.

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                                    kagbasi-ngc @kagbasi-ngc
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                                    @dinhngtu Some positive news to report.

                                    The new template and VM I created, using a vanilla ISO directly from Microsoft, is working flawlessly. I am able to control it from within the OS and by using the XO controls. I've performed many reboots and shutdowns, and thus far no BSOD.

                                    Unfortunately, this suggests that there may be something with the hardening of the Secured Host Baseline image I'm using; which means my case for getting Vates VMS adopted is now weaker, until we identify the root cause of the BSOD.

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                                    • olivierlambertO Offline
                                      olivierlambert Vates 🪐 Co-Founder CEO
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                                      Quick check: is hardening is done via any MS virtualization technology? If yes, it could be a nested virt problem maybe (just throwing ideas)

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                                        dinhngtu Vates 🪐 XCP-ng Team @kagbasi-ngc
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                                        @kagbasi-ngc Could you apply the hardening controls now and see if the VM still works?

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                                          kagbasi-ngc @olivierlambert
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                                          @olivierlambert said in VM Failing to Reboot:

                                          Quick check: is hardening is done via any MS virtualization technology? If yes, it could be a nested virt problem maybe (just throwing ideas)

                                          Certainly could be.

                                          @dinhngtu said in VM Failing to Reboot:

                                          @kagbasi-ngc Could you apply the hardening controls now and see if the VM still works?

                                          Yeah, I'll try doing that today to see what happens. We generally get an already hardened ISO from our upstream Security Team, so as to minimize the deployment time. However, I can manually harden myself - although, since it may not be the exact same process as followed by the upstream team, there's a chance I will not be testing apples-to-apples.

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