kiranchavala opened a new issue, #12326:
URL: https://github.com/apache/cloudstack/issues/12326
### problem
Unable to attach multiple datadisk to a vm running on a kvm arm64 host
### versions
ACS 4.22
KVM Ubuntu 24.0.4
### The steps to reproduce the bug
1. Launch a vm on arm64 host
2. Attach multiple data disks to the vm
3. Exception thrown after trying to attach a second data disk
```
2025-12-23 06:24:24,030 INFO [kvm.storage.LibvirtStorageAdaptor]
(AgentRequest-Handler-2:[]) (logid:dcd66ca9) Attempting to create volume
a7831113-9d77-4945-b8fc-ab4b9bb66e9c (NetworkFilesystem) in pool
1a655239-1930-3a48-b0c5-9069065c283d with size (5.00 GB) 5368709120
2025-12-23 06:24:24,123 INFO [kvm.storage.LibvirtStorageAdaptor]
(AgentRequest-Handler-3:[]) (logid:dcd66ca9) Trying to fetch storage pool
1a655239-1930-3a48-b0c5-9069065c283d from libvirt
2025-12-23 06:24:24,128 INFO [kvm.storage.LibvirtStorageAdaptor]
(AgentRequest-Handler-3:[]) (logid:dcd66ca9) Trying to fetch storage pool
1a655239-1930-3a48-b0c5-9069065c283d from libvirt
2025-12-23 06:24:24,153 WARN [kvm.storage.KVMStorageProcessor]
(AgentRequest-Handler-3:[]) (logid:dcd66ca9) Failed to attach device to
i-2-131-VM: internal error: No more available PCI slots
```
Workaround
Stop/start the vm and attach the second data disk , no exception thrown
### What to do about it?
Cloudstack should support the attachment of multiple data disk to a vm on
kvm arm64 host
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