XCP-ng 8.3 updates announcements and testing
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@flakpyro I'll add some additional error-checking, but looks like you're affected by the
snapshot_ofissue and should run another script (yes, I know...) to fix these stale references: https://github.com/xcp-ng/xcp/blob/master/scripts/snapshot-fixer.py -
Thanks
I ran that second script on the master and it did indeed find entries:
./snapshot-fixer.py rewrite INFO:root:Check HA... INFO:root:Shutting down xapi... INFO:root:Regenerating database... INFO:root:The VM d6befe36-fea7-04f3-25f1-feada684702b has Ref:9 as its "snapshot_of" value, changing to null. INFO:root:The VM e013d9ed-63b1-9c9f-a228-d48a6047688c has Ref:89 as its "snapshot_of" value, changing to null. INFO:root:The VM 060df7ee-8af4-4c93-8265-bfa3024ccacd has Ref:1 as its "snapshot_of" value, changing to null. INFO:root:The VM da7b6ff6-d722-2120-7cc4-a1e0038a216e has Ref:307 as its "snapshot_of" value, changing to null. INFO:root:The VM 4178b057-efee-427e-bcad-67323419ac7a has Ref:9 as its "snapshot_of" value, changing to null. INFO:root:The VM 8d624e49-ca99-4af6-b17c-38cad0646194 has Ref:1 as its "snapshot_of" value, changing to null. INFO:root:The VM dc72da43-f144-3343-5ee5-a0dbffd209f6 has Ref:251 as its "snapshot_of" value, changing to null. INFO:root:The VM e8c6376b-49e1-422b-551a-35420f70af2a has Ref:8 as its "snapshot_of" value, changing to null. INFO:root:The VM 25eb14ab-e943-0d18-2137-c681e1191346 has Ref:11 as its "snapshot_of" value, changing to null. INFO:root:The VM 6f819166-b008-4a03-a692-fcbd75018be9 has Ref:1 as its "snapshot_of" value, changing to null. INFO:root:The VM 9d1a57e8-3531-4b55-9682-f775215866df has Ref:1 as its "snapshot_of" value, changing to null. INFO:root:The VM 0ac88f7c-d79b-281e-cf1f-a2392ba594ed has Ref:29 as its "snapshot_of" value, changing to null. INFO:root:The VM 1f3541c4-8c81-4959-9cbe-edbec9481220 has Ref:1 as its "snapshot_of" value, changing to null. INFO:root:Writing database to /var/lib/xcp/state.db INFO:root:Starting up xapi...after which it shows clean now:
./snapshot-fixer.py dry-run INFO:root:Regenerating database...However i am still getting the same error when trying to run leaked_vbs:
./leaked_vbds Traceback (most recent call last): File "./leaked_vbds", line 23, in <module> snap = xapi.VM.get_parent(snap) File "/usr/lib/python3.6/site-packages/XenAPI.py", line 317, in __call__ return self.__send(self.__name, args) File "/usr/lib/python3.6/site-packages/XenAPI.py", line 198, in xenapi_request result = _parse_result(getattr(self, methodname)(*full_params)) File "/usr/lib/python3.6/site-packages/XenAPI.py", line 292, in _parse_result raise Failure(result['ErrorDescription']) XenAPI.Failure: ['HANDLE_INVALID', 'VM', 'Ref:29'] -
@rzr Updates installed and running. I also run the
snapshot-fixer.pyandxapi_leaked_vbds.pyscripts... The fixer found/fixed lots on many pools...@andriy.sultanov I have the same error... On one pool, I ran
snapshot-fixer.pyand it fixed about 50 of them, butxapi_leaked_vbds.pystill returns an error (before and after fix):Traceback (most recent call last): File "./xapi_leaked_vbds.py", line 23, in <module> snap = xapi.VM.get_parent(snap) File "/usr/lib/python3.6/site-packages/XenAPI.py", line 317, in __call__ return self.__send(self.__name, args) File "/usr/lib/python3.6/site-packages/XenAPI.py", line 198, in xenapi_request result = _parse_result(getattr(self, methodname)(*full_params)) File "/usr/lib/python3.6/site-packages/XenAPI.py", line 292, in _parse_result raise Failure(result['ErrorDescription']) XenAPI.Failure: ['HANDLE_INVALID', 'VM', 'Ref:119'] -
@Andrew @flakpyro I've updated the script, could you try running it again?
https://gist.github.com/last-genius/edf7dab3b1847ec5bb1d9917996eba41
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@andriy.sultanov No error... returns nothing.
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@Andrew That means you likely don't have any "leaked" VBDs
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Running it now shows no error! And no output so looks like i have no issues!
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@rzr Since the targeted test window is over by now, I wonder: what are your plans regarding this set of patches? Will it be released soon?
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@rzr Since the targeted test window is over by now, I wonder: what are your plans regarding this set of patches? Will it be released soon?
yes this is the plan, we're a bit slower this time because the iso publication is a longer process, but afaik no issue are spotted so far, thank you for your patience.
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We pushed the tested packages along a xen security update to the xcp-ng-updates repository, check blog post for summary and related advisories:
https://xcp-ng.org/blog/2026/07/28/july-2026-updates-1-for-xcp-ng-8-3-lts/ -
@rzr Thanks! How long does it take for these patches go be available?
[17:00 xcpng01 ~]# yum update Geladene Plugins: fastestmirror Loading mirror speeds from cached hostfile Excluding mirror: updates.xcp-ng.org * xcp-ng-base: mirrors.xcp-ng.org Excluding mirror: updates.xcp-ng.org * xcp-ng-updates: mirrors.xcp-ng.org No packages marked for update//EDIT: Nevermind. After running yum clean metadata they are being picked up.
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We pushed the tested packages along a xen security update to the xcp-ng-updates repository, check blog post for summary and related advisories:
https://xcp-ng.org/blog/2026/07/28/july-2026-updates-1-for-xcp-ng-8-3-lts/Just updated my homelab hosts.
[10:45 xcp-ng-disjqdnc ~]# yum clean metadata Loaded plugins: fastestmirror Cleaning repos: xcp-ng-base xcp-ng-updates 6 metadata files removed 4 sqlite files removed 0 metadata files removed [10:45 xcp-ng-disjqdnc ~]# yum update Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Excluding mirror: updates.xcp-ng.org * xcp-ng-base: mirrors.xcp-ng.org Excluding mirror: updates.xcp-ng.org * xcp-ng-updates: mirrors.xcp-ng.org xcp-ng-base/signature | 473 B 00:00:00 xcp-ng-base/signature | 3.0 kB 00:00:00 !!! xcp-ng-updates/signature | 473 B 00:00:00 xcp-ng-updates/signature | 3.0 kB 00:00:00 !!! (1/2): xcp-ng-base/primary_db | 3.9 MB 00:00:00 (2/2): xcp-ng-updates/primary_db | 1.6 MB 00:00:01 Resolving Dependencies --> Running transaction check ---> Package xen-dom0-libs.x86_64 0:4.17.6-9.3.xcpng8.3 will be updated ---> Package xen-dom0-libs.x86_64 0:4.17.6-9.3.1.xcpng8.3 will be an update ---> Package xen-dom0-tools.x86_64 0:4.17.6-9.3.xcpng8.3 will be updated ---> Package xen-dom0-tools.x86_64 0:4.17.6-9.3.1.xcpng8.3 will be an update ---> Package xen-hypervisor.x86_64 0:4.17.6-9.3.xcpng8.3 will be updated ---> Package xen-hypervisor.x86_64 0:4.17.6-9.3.1.xcpng8.3 will be an update ---> Package xen-libs.x86_64 0:4.17.6-9.3.xcpng8.3 will be updated ---> Package xen-libs.x86_64 0:4.17.6-9.3.1.xcpng8.3 will be an update ---> Package xen-tools.x86_64 0:4.17.6-9.3.xcpng8.3 will be updated ---> Package xen-tools.x86_64 0:4.17.6-9.3.1.xcpng8.3 will be an update --> Finished Dependency Resolution Dependencies Resolved ============================================================================================================================================ Package Arch Version Repository Size ============================================================================================================================================ Updating: xen-dom0-libs x86_64 4.17.6-9.3.1.xcpng8.3 xcp-ng-updates 704 k xen-dom0-tools x86_64 4.17.6-9.3.1.xcpng8.3 xcp-ng-updates 2.0 M xen-hypervisor x86_64 4.17.6-9.3.1.xcpng8.3 xcp-ng-updates 2.4 M xen-libs x86_64 4.17.6-9.3.1.xcpng8.3 xcp-ng-updates 66 k xen-tools x86_64 4.17.6-9.3.1.xcpng8.3 xcp-ng-updates 47 k Transaction Summary ============================================================================================================================================ Upgrade 5 Packages Total download size: 5.2 M Is this ok [y/d/N]: y Downloading packages: Delta RPMs disabled because /usr/bin/applydeltarpm not installed. (1/5): xen-dom0-tools-4.17.6-9.3.1.xcpng8.3.x86_64.rpm | 2.0 MB 00:00:00 (2/5): xen-dom0-libs-4.17.6-9.3.1.xcpng8.3.x86_64.rpm | 704 kB 00:00:00 (3/5): xen-libs-4.17.6-9.3.1.xcpng8.3.x86_64.rpm | 66 kB 00:00:00 (4/5): xen-hypervisor-4.17.6-9.3.1.xcpng8.3.x86_64.rpm | 2.4 MB 00:00:00 (5/5): xen-tools-4.17.6-9.3.1.xcpng8.3.x86_64.rpm | 47 kB 00:00:00 -------------------------------------------------------------------------------------------------------------------------------------------- Total 2.9 MB/s | 5.2 MB 00:00:01 Running transaction check Running transaction test Transaction test succeeded Running transaction Updating : xen-libs-4.17.6-9.3.1.xcpng8.3.x86_64 1/10 Updating : xen-hypervisor-4.17.6-9.3.1.xcpng8.3.x86_64 2/10 Updating : xen-dom0-libs-4.17.6-9.3.1.xcpng8.3.x86_64 3/10 Updating : xen-tools-4.17.6-9.3.1.xcpng8.3.x86_64 4/10 Updating : xen-dom0-tools-4.17.6-9.3.1.xcpng8.3.x86_64 5/10 Cleanup : xen-dom0-tools-4.17.6-9.3.xcpng8.3.x86_64 6/10 Cleanup : xen-tools-4.17.6-9.3.xcpng8.3.x86_64 7/10 Cleanup : xen-dom0-libs-4.17.6-9.3.xcpng8.3.x86_64 8/10 Cleanup : xen-hypervisor-4.17.6-9.3.xcpng8.3.x86_64 9/10 Cleanup : xen-libs-4.17.6-9.3.xcpng8.3.x86_64 10/10 Verifying : xen-dom0-tools-4.17.6-9.3.1.xcpng8.3.x86_64 1/10 Verifying : xen-dom0-libs-4.17.6-9.3.1.xcpng8.3.x86_64 2/10 Verifying : xen-hypervisor-4.17.6-9.3.1.xcpng8.3.x86_64 3/10 Verifying : xen-libs-4.17.6-9.3.1.xcpng8.3.x86_64 4/10 Verifying : xen-tools-4.17.6-9.3.1.xcpng8.3.x86_64 5/10 Verifying : xen-libs-4.17.6-9.3.xcpng8.3.x86_64 6/10 Verifying : xen-dom0-tools-4.17.6-9.3.xcpng8.3.x86_64 7/10 Verifying : xen-hypervisor-4.17.6-9.3.xcpng8.3.x86_64 8/10 Verifying : xen-tools-4.17.6-9.3.xcpng8.3.x86_64 9/10 Verifying : xen-dom0-libs-4.17.6-9.3.xcpng8.3.x86_64 10/10 Updated: xen-dom0-libs.x86_64 0:4.17.6-9.3.1.xcpng8.3 xen-dom0-tools.x86_64 0:4.17.6-9.3.1.xcpng8.3 xen-hypervisor.x86_64 0:4.17.6-9.3.1.xcpng8.3 xen-libs.x86_64 0:4.17.6-9.3.1.xcpng8.3 xen-tools.x86_64 0:4.17.6-9.3.1.xcpng8.3 -
Working fine latest update into DL360G7
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Installed these patches on a pool of 4 hosts, can confirm everything looking good!
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Just installed these onto my test systems including my twinstor guinea pigs and all seems good so far.
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went well with test systems. going to do prod soon.
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Ran into some issues with sdncontroller.py (XCP-ng 8.3 and xcp-ng-xapi-plugins-1.16.0-1) when creating traffic rules on VLAN VIFs (and networks) in XOA β same error on both Premium and Community. The problem turned out to be a line feed sent by XOA.
On line 236 of sdncontroller.py, I added a fix that solved the problem, and it now works perfectly managing traffic rules in XO on VLAN networks:
def update_args_from_ovs(args): # FIX: strip line feed (\n \X0a) sent by Xen Orchestra args["bridge"] = str(args["bridge"]).strip() # get parent...I had another problem when adding rules on networks that weren't connected on all hosts, because those hosts didn't have VMs running on that network (default). Manually connecting them worked fine.
I think it's more of an XO error than xapi plugin, but worked ok in my case.
Thanks for the great work!
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Ah good catch @andersonalipio ! We'll check that
Ping @Team-XAPI-Network
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@andersonalipio I would be interested to get some elements from your installation.
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/var/log/sdn-controller-plugin.logfile (on the host) in order to check the parameter passed by XO. - output of
xe network-param-list uuid=$UUID(for the network concerned) orxe network-list params=all(if uuid is unknown) - output of
xe pool-list params=other-config(forxo:sdn-controller:*elements) - output of
xe vif-list params=uuid,network-uuid,other-config(forxo:sdn-controller:*elements)
Feel free to share it privately via PM if you prefer, possibly using https://paste.vates.tech/ .
Cc @Team-XO-Backend too (as it could be from XO side)
- your
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@andersonalipio can you also share the XOA version you're running? @semarie did a bunch of improvement on lifecycle of hosts and VM at some point XO side.
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