Re: debugging guest os running atop of eqmu+kvm

[Alex Bennée]

daggs <daggs@gmx.com> writes:

> Greetings,
>
> I have a libvirt+kvm+qemu setup running libreelec as guest.
> latest guest os update exposed a bug which joins another bug existing
> already (one I've worked around for now).
> the two bugs are as follows:
> 1. when the nic is set to virtio, dhcp isn't acquired, manual ip config 
> doesn't work too.
> 2. the system is stuttering every few seconds, even in ssh.
>
> dmesg has no visible errors, top on the vm and atop on the host
> doesn't show cpu and memory usage that might explain it.
> so I'm left with a bug in the os, I assume that I'm not the first one
> encountering this issue, so I'd like to know if there are
> recommendation what to nable in guest?
> I can rebuild the system entirely and change anything I want in the
> kernel. the guest kernel is 6.1.14

Have you used the gdbstub to debug your kernel?

>
> Thanks,
>
> Dagg


-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro