[PVE-User] OpenBSD problems (freezing console, lots of time drift) on Proxmox 5.0

[Alexandre DERUMIER]

> interesting to note: after deactivating the system console on the 
> VGA/NoVNC and switching to a serial console the above phenomens are 
> fixed and the OpenBSD guest is running smoothly like with Proxmox VE 
> 4.4.

could it be related to the change from cirrus to vga  from the vga adapter ?


----- Mail original -----
De: "Wolfgang Link" <w.link at proxmox.com>
À: "proxmoxve" <pve-user at pve.proxmox.com>, "Alex Bihlmaier" <thalunil at kallisti.at>
Envoyé: Vendredi 22 Septembre 2017 14:11:35
Objet: Re: [PVE-User] OpenBSD problems (freezing console, lots of time drift) on Proxmox 5.0

It looks like a kernel problem. 
Not sure what exactly is the problem, but every kernel(mainline and ubuntu) larger 4.10 will trigger this behavior on some HW. 
Debugging take some time. 
I will report the result in this forum thread. 

https://forum.proxmox.com/threads/openbsd-6-1-guest-h%C3%A4ngt.36903/#post-181872 

> Alex Bihlmaier <thalunil at kallisti.at> hat am 22. September 2017 um 13:29 geschrieben: 
> 
> 
> Hi - after upgrading several Proxmox setups from 
> version 4.4 to 5.0 (currently 5.0-31) i have problems 
> with VMs running OpenBSD (version 6.1). 
> 
> phenomens i encounter are: 
> * reboot / shutdown on the console is not working properly. 
> it results in a console freeze and 100% load on a single cpu core 
> * time sleep 1 should result in a total runtime of 1 second. 
> Actually on one host it gives me this: 
> "sleep 1 0.00s user 0.00s system 0% cpu 17.486 total" 
> * ntpd is unable to keep up with a local time drift (only on one 
> Intel i7 Host, another Xeon Proxmox host does not suffer from this 
> issue) and the guest clock is drifting more and more away from the 
> real clock 
> 
> interesting to note: after deactivating the system console on the 
> VGA/NoVNC and switching to a serial console the above phenomens are 
> fixed and the OpenBSD guest is running smoothly like with Proxmox VE 
> 4.4. 
> 
> switching from VGA system console to serial system console: 
> 
> /etc/boot.conf 
> set tty com0 
> 
> 
> Anyone with similar issue? Maybe time for a bug submission to the 
> developers. 
> 
> 
> cheers 
> Alex 
> _______________________________________________ 
> pve-user mailing list 
> pve-user at pve.proxmox.com 
> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user 

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