Hi Stanley This look like limitation from the el9 side
https://www.phoronix.com/news/RHEL-9-x86-64-v2-Plans https://developers.redhat.com/blog/2021/01/05/building-red-hat-enterprise-linux-9-for-the-x86-64-v2-microarchitecture-level#recommendations_for_rhel_9 https://forums.rockylinux.org/t/rocky-linux-9-virtualbox-kernel-panic/6692/5 As a workaround, Please perform the following changes 1. Edit the file present on the kvm hosts “/etc/cloudstack/agent/agent.properties “ guest.cpu.mode=host-passthrough 2. Restart the agent service service cloudstack-agent restart --- Now to try to launch a new centos 9 stream vm from the ISO Regards Kiran From: Kiran Chavala <kiran.chav...@shapeblue.com> Date: Wednesday, 2 August 2023 at 1:27 PM To: dev@cloudstack.apache.org <dev@cloudstack.apache.org> Subject: Re: CentOS9 going to kernel panic mode Hi Rohit Able to reproduce the issue, Booting Centos 9 stream iso goes into a kernel panic mode Able to boot Centos 9 stream iso on virtuabox and natively on kvm without any issues Not observing the issue with Centos 8 stream iso Attaching the virsh dumpxml of centos 8 and centos 9 streams Regards Kiran From: Stanley Burkee <stanley.bur...@gmail.com> Date: Wednesday, 2 August 2023 at 10:15 AM To: dev@cloudstack.apache.org <dev@cloudstack.apache.org> Subject: Re: CentOS9 going to kernel panic mode Hi Rohit Thanks for your support. I have tried with RHEL9, Oracle Linux9, RockyLinux 9 as well. I am experiencing same issue with all of them. And all of them are working in VMware on my machine. The issue is only with Linux 9 flavours,the restall the other linux OS are working fine. Best Regards Stanley On Tue, Aug 1, 2023 at 9:38 PM Rohit Yadav <rohit.ya...@shapeblue.com> wrote: > Perhaps try with a different ISO build again, it could be an issue with > the ISO - have you tested if it works say on VirtualBox, or VMware > fusion/workstation? > > > Regards. > > ________________________________ > From: Stanley Burkee <stanley.bur...@gmail.com> > Sent: Tuesday, August 1, 2023 19:12 > To: dev@cloudstack.apache.org <dev@cloudstack.apache.org> > Subject: Re: CentOS9 going to kernel panic mode > > Screenshot link given below > > > https://drive.google.com/file/d/1ijpRW1ojwDyVYoErN5dWfa6C229zjNN3/view?usp=drive_link > > On Tue, Aug 1, 2023 at 6:54 PM Stanley Burkee <stanley.bur...@gmail.com> > wrote: > > > Hi Rohit, > > > > Thanks for your support > > The issue is consistent with multiple CPU offerings. I have used 4C4R, > > 4C8R, 8C8R & 8C16R CPU & RAM offerings. > > > > Best Regards > > > > Stanley > > > > > > On Tue, Aug 1, 2023 at 6:52 PM Rohit Yadav <rohit.ya...@shapeblue.com> > > wrote: > > > >> Hi Stanley, is it consistent even if you use a service offering with > >> large enough CPU and memory? Are you booting the VM in uefi or normal > mode? > >> > >> > >> Regards. > >> > >> ________________________________ > >> From: Stanley Burkee <stanley.bur...@gmail.com> > >> Sent: Tuesday, August 1, 2023 18:50 > >> To: us...@cloudstack.apache.org <us...@cloudstack.apache.org>; > >> dev@cloudstack.apache.org <dev@cloudstack.apache.org> > >> Subject: CentOS9 going to kernel panic mode > >> > >> Hi Guys, > >> > >> Greetings > >> I am using Cloudstack 4.18 in my testing environment. I am using Rocky > 8.7 > >> as compute host with KVM. > >> > >> Whenever I create centOs9 from iso, it goes into kernel panic mode—and > >> facing the same issue with other Linux 9 kernel flavours also. > >> > >> Thanks a lot in advance. > >> > >> > >> Beast regards > >> > >> Stanley > >> > >> > >> > >> > > > >