[CentOS-virt] [QEMU-KVM] Centos guest VM freezing

Manuel Wolfshant

wolfy at nobugconsulting.ro
Wed Jan 9 08:28:17 UTC 2019

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-
> 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Both OSes are heavily outdated, you lack YEARS of updates.



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