@TeddyAstie I haven't cleared the PCI pass-through masking in Dom0, but below is the same lspci command from Dom0. I'm pretty sure I'm running the latest 8.3 with all the current patches. This could just be a kernel issue? lspci -vvxxxx -s 0000:83:00.0 83:00.0 VGA compatible controller: Intel Corporation Device e212 (prog-if 00 [VGA controller]) Subsystem: Intel Corporation Device 1114 Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Region 0: Memory at 20002000000 (64-bit, prefetchable) [disabled] [size=16M] Region 2: Memory at 1f800000000 (64-bit, prefetchable) [disabled] [size=16G] Expansion ROM at f7c00000 [disabled] [size=2M] Capabilities: [40] Vendor Specific Information: Len=0c <?> Capabilities: [70] Express (v2) Endpoint, MSI 00 DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 0.000W DevCtl: Report errors: Correctable+ Non-Fatal+ Fatal+ Unsupported- RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ FLReset- MaxPayload 256 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <64ns, L1 <1us ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+ LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt- DevCap2: Completion Timeout: Range B, TimeoutDis+, LTR+, OBFF Not Supported DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis- Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- Compliance De-emphasis: -6dB LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1- EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest- Capabilities: [ac] MSI: Enable- Count=1/1 Maskable+ 64bit+ Address: 0000000000000000 Data: 0000 Masking: 00000000 Pending: 00000000 Capabilities: [d0] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold-) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- Capabilities: [100 v1] Alternative Routing-ID Interpretation (ARI) ARICap: MFVC- ACS-, Next Function: 0 ARICtl: MFVC- ACS-, Function Group: 0 Capabilities: [110 v1] #00 Capabilities: [200 v1] Address Translation Service (ATS) ATSCap: Invalidate Queue Depth: 00 ATSCtl: Enable-, Smallest Translation Unit: 00 Capabilities: [420 v1] #15 Capabilities: [220 v1] #24 Capabilities: [320 v1] Single Root I/O Virtualization (SR-IOV) IOVCap: Migration-, Interrupt Message Number: 000 IOVCtl: Enable- Migration- Interrupt- MSE- ARIHierarchy+ IOVSta: Migration- Initial VFs: 2, Total VFs: 2, Number of VFs: 0, Function Dependency Link: 00 VF offset: 1, stride: 1, Device ID: e212 Supported Page Size: 00000553, System Page Size: 00000001 Region 0: Memory at 0000020000000000 (64-bit, prefetchable) Region 2: Memory at 000001fc00000000 (64-bit, prefetchable) VF Migration: offset: 00000000, BIR: 0 Capabilities: [400 v1] Latency Tolerance Reporting Max snoop latency: 0ns Max no snoop latency: 0ns Kernel driver in use: pciback 00: 86 80 12 e2 00 00 10 00 00 00 00 03 10 00 00 00 10: 0c 00 00 02 00 02 00 00 0c 00 00 00 f8 01 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 14 11 30: 00 00 c0 f7 40 00 00 00 00 00 00 00 ff 00 00 00 40: 09 70 0c 01 0b 00 00 00 00 00 00 00 00 00 00 00 50: c0 f9 00 00 00 00 00 00 00 40 00 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 10 ac 02 00 e1 8f 00 10 37 29 00 00 11 0c 40 00 80: 00 00 11 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 12 08 13 00 00 10 00 00 02 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 05 d0 80 01 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 01 00 03 48 08 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 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@olivierlambert Thanks for being so transparent about this. I suspect just updating that error message should be helpful enough. I was really struggling yesterday as I couldn’t figure out why my test plan was failing. Your suggestions did indeed work. In my case just disabling HA briefly did the trick

For your storage question, it's fully explained in the doc: https://docs.xcp-ng.org/storage/#-how-to-modify-an-existing-sr-connection And yes, it's planned to get the complete error visible in XO, sadly, it's not "obvious" since the error message isn't returned by XAPI when you try to start but by another method we need to call after it fails ("assert can be started here" from the top of my head). Let me ping @julienXOvates

Well you both just made my Friday! I can follow directions after all!

From what I can tell, the Netbox plugin in XO syncs VMs, interfaces and IPs, but it doesn't populate Netbox's separate Virtual Disks model yet, which is why you get the total disk space but an empty Virtual Disks tab. I don't think it's a permissions thing on your side, it looks more like a gap in what the plugin syncs today. There's already an open issue for disk-size sync (https://github.com/vatesfr/xen-orchestra/issues/7643), plus a few other Netbox requests in the tracker. If you want the per-disk sync added, the place it actually gets weighed is https://feedback.vates.tech, where the Netbox asks get prioritised together. It might also be worth a mention to @Team-XO-Backend, since they own the plugin and can say whether the newer Netbox virtual-disk model is on their radar. ecoutinho created this issue in vatesfr/xen-orchestra open Netbox plugin: Sync disk size error #7643

Evening @pierrebrunet My bad. I am now on commit b440f and the issue persist. I have written you a message with the link to the file. Regards, Marc

@yannsionneau Hi, is June still the target for the iso? Thanks

@niko thanks, that would help a ton!

mid 2026: you can't add a ipv6 address via XOA (XOA5) because the gui lacs the field for the v6 gateway-address XOA6 lacks feature to configure ips of the host the configuration of ipv6 (static) vie the "gui" on the host seems not be implemented yet (or i am missing something critical) command line configuration inside dom0 of the host is afaik not supported ? Some point looks like minor issues. it would be great to "address" pun intendet that as well

@Danp said: Smart Reboot option found on the host's Advanced tab does what you are asking Very nice!

Here is the log from when xen04 last crashed xen04-jun12-journalctl-crash-summary.txt

@Pilow pretty much

@olivierlambert said: I'm not sure it's a great idea, because even 64 hosts is huge in terms of VMs and fallout if you have a problem on your pool DB. Even if you drastically improve the current mechanism, the impact of a problem pool wide is far bigger with 64 hosts than 24 for example. It's more than purely tech, it's also a tech design/choice. Exactly, the failure domain just grows exponentially when going beyond a certain collective pool size. I was doing some more research and I found a few possible choices that Tesco may have moved too, but don't want to detract from this forum here.

@AlexanderK you could try to install perl-interpreter manually maybe? I happened to have a test host at hand that hasn't been updated since december, and the yum update went fine, perl interpreter was not installed before and yum update did install it on its own as a depency for openssl 3. Maybe others will have ideas as to why this would happen in your case.

@tuxen Doing some research, it doesn't look like the Xeon's I have are affected. But I'm willing to try the next time I need to reboot. Will report back after that.

Hello, Thanks for all !

@laszlobortel Hehe yeah, those are pretty old kernels. I'd say there's a good chance kernel upgrades will go a long way to alleviating the CPU hangs. I can't say it's exclusively a problem with lvmohba storage, that's just what we use because of our previous VMware infrastructure was block storage over fiber channel. We knew a physical infra overhaul wasn't in the cards for us for this migration so we stayed with our existing storage system. This bug bit us half way through the migration until we figured out upgrading the kernel generally fixed it.