Hi kiran, Thanks for checking on this issue.I will try to apply the settings you mentioned and let you know.
Thanks, Sai On Wed, Jul 16, 2025, 12:09 AM Kiran Chavala <kiran.chav...@shapeblue.com> wrote: > > Hi Sai > > I was able to reproduce the issue, this could a limitation from libvirt > end. > > I will log a issue upstream on this > > As a workaround, could you please try the changing the following settings > > nicAdapter to e1000 or rtl813 > > rootDiskController to scsi or sata > > https://prnt.sc/9wSS5uX0tVYX > > > > Regards > Kiran > > > > > > > From: Kiran Chavala <kiran.chav...@shapeblue.com> > Date: Wednesday, 16 July 2025 at 9:29 AM > To: users@cloudstack.apache.org <users@cloudstack.apache.org> > Subject: Re: Regarding PCI slots > > > Hi Sai > > I will cross check in my lab and see if I can reproduce the issue > > Regards > Kiran > > > > > > From: sai <sai.kr...@gmail.com> > Date: Wednesday, 16 July 2025 at 8:51 AM > To: users@cloudstack.apache.org <users@cloudstack.apache.org> > Subject: Re: Regarding PCI slots > Hi, > > Any pointers on this please. > > > Thanks, > Sai > > On Tue, Jul 15, 2025, 10:43 AM sai <sai.kr...@gmail.com> wrote: > > > Hi kiran, > > > > I have collected the agent logs, the issue is happening when we add more > > than one or two volumes/networks for running vm with uefi enabled. > > > > WARN [kvm.storage.KVMStorageProcessor] (agentRequest-Handler-3:null) > > (logid:f74cb22b) Failed to attach device to i-1-2976-VM: internal error: > No > > more available PCI slots > > DEBUG [kvm.storage.KVMStorageProcessor] (agentRequest-Handler-3:null) > > (logid:f74cb22b) Failed to attach volume: > > 8b3ee875-81ac-48b7-8f6f-b557f9e790e4, due to > > org.libvirt.LibvirtException: internal error: No more available PCI > slots > > at org.libvirt.ErrorHandler.processError(Unknown Source) > > at org.libvirt.ErrorHandler.processError(Unknown Source) > > at org.libvirt.Domain.attachDevice(Unknown Source) > > at > > > com.cloud.hypervisor.kvm.storage.KVMStorageProcessor.attachOrDetachDevice(KVMStorageProcessor.java:1248) > > at > > > com.cloud.hypervisor.kvm.storage.KVMStorageProcessor.attachOrDetachDisk(KVMStorageProcessor.java:1522) > > at > > > com.cloud.hypervisor.kvm.storage.KVMStorageProcessor.attachOrDetachDisk(KVMStorageProcessor.java:1350) > > at > > > com.cloud.hypervisor.kvm.storage.KVMStorageProcessor.attachVolume(KVMStorageProcessor.java:1553) > > at > > > com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.execute(StorageSubsystemCommandHandlerBase.java:168) > > at > > > com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.handleStorageCommands(StorageSubsystemCommandHandlerBase.java:70) > > > > Can you please let me know is this libvirt issue? > > > > Thanks, > > Sai > > > > On Tue, Jul 8, 2025, 10:30 PM sai <sai.kr...@gmail.com> wrote: > > > >> Hi kiran, > >> > >> Yeah I just got no more available pci slot exception in agent logs.I > will > >> try to collect the logs and upload. > >> > >> Thanks & Regards, > >> Sai > >> > >> On Tue, Jul 8, 2025, 8:28 PM Kiran Chavala <kiran.chav...@shapeblue.com > > > >> wrote: > >> > >>> > >>> > >>> Hi Sai > >>> > >>> Did you find any exception in the kvm agent logs? > >>> > >>> Could you please log a issue upstream with the logs(management server > >>> and kvm agent logs) to troubleshoot further > >>> > >>> https://github.com/apache/cloudstack/issues > >>> > >>> Regards > >>> Kiran > >>> > >>> > >>> > >>> > >>> > >>> > >>> From: sai <sai.kr...@gmail.com> > >>> Date: Wednesday, 9 July 2025 at 8:28 AM > >>> To: users@cloudstack.apache.org <users@cloudstack.apache.org> > >>> Subject: Re: Regarding PCI slots > >>> Hi Rohit, > >>> > >>> Thanks for responding. But I am getting issue after adding three > volumes > >>> or > >>> three networks and also this issue is seen while adding devices to uefi > >>> vms > >>> in kvm environment.Do you suggest anything for this. > >>> > >>> Regards, > >>> Sai > >>> > >>> > >>> > >>> > >>> On Tue, Jul 8, 2025, 7:55 PM Kiran Chavala < > kiran.chav...@shapeblue.com> > >>> wrote: > >>> > >>> > Hi Sai > >>> > > >>> > Cloudstack entirely depends on kvm/libvirt limitations > >>> > > >>> > KVM generally provides 32 PCI slots, which are used to connect > several > >>> > devices. > >>> > > >>> > > >>> > > >>> > https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/5/html/virtualization/sect-virtualization-virtualization_limitations-kvm_limitations > >>> > > >>> > https://github.com/apache/cloudstack/pull/8654 > >>> > > >>> > > >>> > Regards > >>> > Kiran > >>> > > >>> > > >>> > > >>> > > >>> > > >>> > > >>> > > >>> > From: sai <sai.kr...@gmail.com> > >>> > Date: Tuesday, 8 July 2025 at 11:24 PM > >>> > To: users@cloudstack.apache.org <users@cloudstack.apache.org> > >>> > Subject: Regarding PCI slots > >>> > Hi All, > >>> > > >>> > I have query on adding network and volume to vm, while adding those i > >>> am > >>> > getting no more available pci slots error from libvirt. When I see > >>> > discussions in community the only option is to stop and add resources > >>> and > >>> > restart the vm. Is that only option we have or anything from code > >>> needs to > >>> > be fixed to add while vm is in running state. Else is there any PR > >>> fixed > >>> > for this. > >>> > Thanks in advance. > >>> > > >>> > > >>> > Regards, > >>> > Sai > >>> > > >>> > >> >
