On 1/9/19 11:50 AM, Akshar Kanak wrote: > Hi > Thanks for the reply > > We have seen the same guest VM freezing on vmware ESXi machine also , No wonder given that the guest remains 5 years out of date even when using a different hypervisor. Leaving aside that also the long-term kernel installed from ElRepo that you are using is also more then 4 years out of date. Please update the OS(es) to the current supported OS versions ( that is, 7.6 / 6.10 ) and verify if the problems persist. But you've already been told that by several persons... > so we were interested in know in the internal condition of the guest > vm when the freeze happened > How can we analyse the core file generated by "virsh dump " http://bfy.tw/LhMS might help with that Regards, manuel > > Thanks and regards > Akshar > > On Wed, Jan 9, 2019 at 1:58 PM Manuel Wolfshant > <wolfy at nobugconsulting.ro <mailto:wolfy at nobugconsulting.ro>> wrote: > > On 1/9/19 10:24 AM, Akshar Kanak wrote: >> Dear team >> I am running a centos guest VM which freezes for every few >> days . The qemu-kvm on shows 100% cpu utilization. >> Ping to the guest might work or may not work .Please can you >> tell me what approach can i take to debug it . >> using "virsh dump" I can dump the core of the guest vm but I >> am not sure how to analyse it . >> Guest Centos VM : "Linux GUESTCentOS70 >> 3.10.0-123.4.4.el7.x86_64 #1 SMP Fri Jul 25 05:07:12 UTC 2014 >> x86_64 x86_64 x86_64 GNU/Linux" >> "CentOS Linux release 7.0.1406 (Core)" >> 1 vcpu and 2 GB ram >> Host machine : "Linux HOST 3.10.51-1.el6.elrepo.x86_64 #1 SMP Fri >> Aug 1 13:14:11 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux" >> "CentOS release 6.5 (Final)" >> qemu-kvm package used : qemu-kvm-0.12.1.2-2.415.el6_5.10.x86_64 >> Thanks and regards >> Akshar > > I'd say that you should start by updating the OS on both host and > guest. Both OSes are heavily outdated, you lack YEARS of updates. > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20190109/8014ae82/attachment-0003.html>