XCP-ng 8.3 updates announcements and testing
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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 — 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=$UUID(for the network concerned) orxe network-list params=all(if uuid is unknown) - output of
xe pool-list params=other-config(forxo:sdn-controller:*elements) - output of
xe vif-list params=uuid,network-uuid,other-config(forxo:sdn-controller:*elements)
Feel free to share it privately via PM if you prefer, possibly using https://paste.vates.tech/ .
Cc @Team-XO-Backend too (as it could be from XO side)
- your
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@andersonalipio can you also share the XOA version you're running? @semarie did a bunch of improvement on lifecycle of hosts and VM at some point XO side.
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@semarie I'll do it as soon as I get access to the server, hopefully tomorrow.
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@bleader XOA 6.7 premium (updated last friday - latest channel), as all updates on XCP-ng 8.3 from latests available updates on same day (not testing, ci or other repos)
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@semarie sorry for the delay.
your /var/log/sdn-controller-plugin.log file (on the host) in order to check the parameter passed by XO.
MASTER_sdn-controller-plugin.txtoutput of xe network-param-list uuid=$UUID (for the network concerned) or xe network-list params=all (if uuid is unknown)
uuid ( RO) : 250cec4e-d7af-23c5-be1c-391186bde2f4
name-label ( RW): VLAN VDI INT - 102
name-description ( RW): VLAN Rede VDI Interna VMs
VIF-uuids (SRO): 9f23be5a-a6f5-f64d-e004-4a432aded733; b9f85e54-cfd0-6546-edac-ba1573f00bc5; 16bfa5e3-4022-7c9e-ef43-735599b9b5f2; 418fc7cb-ab9c-23db-8bad-7854cb16cbcb; b9dfc5b9-560e-38ac-941a-f744b0d741d8; af16b830-1d31-c664-d70c-a6d1c7ce3056; 3596ec8a-d0ee-2468-d6ae-16b66c745d03; 181808cf-1c42-ddcb-13b5-3bf5f4483a3f; 0c576952-b1f1-95db-1a7e-fc8f581a46e3; b2b8da93-f07f-32a4-1ae1-ae2eac13da08; 9c96d442-e782-774a-ac98-858fcce36607; f512706b-f1a3-767d-6941-ed0f6c926291; c5f2e0b1-a8d2-4846-521a-54b790d6d849; 82b9789c-cf69-6382-e6cc-95ef67b0ba2e; 967ecb88-a141-cd17-c45f-9f5a779efbca; 7445be42-7b30-7a61-f3a1-6aadb725be6a; aa2e03aa-dc9c-aff3-d8cb-5c652af62958; dd596564-a3b4-e15f-69cf-2af5d128a8c2; 767a2bae-8ff0-45fd-339f-56a955ed1ada; e5c85ad8-4bc1-f8b6-6c31-ca6f48604920; d30dfed6-ba5c-04f8-bbc6-ddc18414737e; cddb92fd-da90-cce1-620c-c31469dccada; da4421fa-0bb5-525b-544e-f03e6fbce04b; 947932f8-4bf6-204f-d112-0b251ac4abae; b5bdddd6-2908-ec1f-4a2d-a2b12cf36ee8; 0601ff52-51c9-72de-7dba-071d016473fd; 49739db0-2055-9a4b-fe22-027f5b7ceac0; e0e7fa88-1d3c-05f3-1cc9-cf6e08aa8294; 82b7a17e-2164-caec-90ba-2640a737897b; bda96371-0222-2919-d128-94f1e118a411; ca3e3dee-40da-b1c3-77ce-9b4640511151; 8241bab2-ab2a-228e-24ca-914a80d1cacc
PIF-uuids (SRO): fef83dfe-5a02-50b6-12a3-0fed1189acaf; de48ed20-e0d2-ab4d-c2b3-7857110e0f6a; 4014506f-75ff-800b-3bde-d49196f39bf7; 29d6c11e-d149-b54a-6cf5-d41af778cd50; c064f9cb-018d-d5a3-12d1-29a6050118d8; 4dffbd1d-2bcb-1d85-b029-1bc4366ef4ad; f81b260a-88ed-2c7f-b87d-ea1bcb830e69; 5deeb719-799b-2752-a1dd-5788b94c0f21; 5d7761a3-8ebd-fb60-8568-6a7129bef180; 74943f3a-bacc-bfb3-3efa-b66423fa0604; c4b64326-3c78-c7ac-0535-22aa0e2b0e62; d2f68f7a-a32a-f84d-9162-71f18d7b35ec
MTU ( RW): 1500
bridge ( RO): xapi3
managed ( RO): true
other-config (MRW): xo:sdn-controller:of-rules: ["{"allow":true,"protocol":"IP","ipRange":"172.22.146.126/32","direction":"from/to","cookie":"0xd3d2533ed26a8151"}","{"allow":true,"protocol":"IP","ipRange":"172.22.146.119/32","direction":"from/to","cookie":"0xa9b47fab93762ad1"}","{"allow":true,"protocol":"IP","ipRange":"172.22.146.120/30","direction":"from/to","cookie":"0x20b7928056a3e208"}","{"allow":true,"protocol":"IP","ipRange":"172.22.146.124/32","direction":"from/to","cookie":"0x67d0c4dc2d9fd8a9"}","{"allow":false,"protocol":"IP","ipRange":"0.0.0.0/0","direction":"from/to","cookie":"0xd191b1374733bc1a"}"]; automatic: false
blobs ( RO):
tags (SRW):
default-locking-mode ( RW): unlocked
purpose (SRW):output of xe pool-list params=other-config (for xo:sdn-controller:* elements)
xo:sdn-controller:of-method: xapi-plugin; xo:sdn-controller:of-format: xapi-plugin; auto_poweron: true;output of xe vif-list params=uuid,network-uuid,other-config (for xo:sdn-controller:* elements)
this output is pointless because our current rules are on network, not on VIF anymore.
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@andersonalipio Let's continue the discussion with @semarie in a separate thread
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Hello,
We have just made "refreshed" XCP-ng installation ISOs available for everyone; these include all updates released over the past year, up to the present day.
You can read the blog post here: https://xcp-ng.org/blog/2026/08/14/xcp-ng-8-3-lts-refreshed-installation-isos/
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