[pve-devel] KVM guest: console not working with custom kernel

Stefan Priebe s.priebe at profihost.ag
Tue Jul 31 18:35:10 CEST 2012


Just found out that the Kernel isn't the problem it's grub switching the gfx mode and the kernel which doesn't switch then to vga=781. Using grub in terminal mode solves it. Strange...

Stefan

Am 30.07.2012 um 17:51 schrieb Alexandre DERUMIER <aderumier at odiso.com>:

> I can't really help you, I always use distro kernel.
> 
> maybe can you compile your recent kernel with  "make oldconfig" and take the base config of the debian kernel ?
> 
> 
> ----- Mail original ----- 
> 
> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
> Cc: pve-devel at pve.proxmox.com 
> Envoyé: Lundi 30 Juillet 2012 16:39:52 
> Objet: Re: [pve-devel] KVM guest: console not working with custom kernel 
> 
> cirrus is working fine when compiled in but the terminal is awfully slow. 
> 
> With my default debian kernel it is using vesafb driver. But this one is 
> also compiled in into my custom kernel but still not working. 
> 
> Stefan 
> Am 30.07.2012 14:21, schrieb Stefan Priebe - Profihost AG: 
>> mhm when i manually load cirrusfb my console is working. But a network 
>> booted default debian has not loaded the cirrus and is working too ?! 
>> 
>> Stefan 
>> Am 30.07.2012 14:08, schrieb Alexandre DERUMIER: 
>>> the default vga card chipset is cirrus if you choose linux as ostype 
>>> 
>>> 
>>> my $vga = $conf->{vga}; 
>>> if (!$vga) { 
>>> if ($conf->{ostype} && ($conf->{ostype} eq 'win7' || 
>>> $conf->{ostype} eq 'w2k8')) { 
>>> $vga = 'std'; 
>>> } else { 
>>> $vga = 'cirrus'; 
>>> } 
>>> } 
>>> 
>>> 
>>> I suppose that we need cirrus driver to display console. 
>>> 
>>> you can use standard vga, with adding to your vm config: 
>>> 
>>> vga: std 
>>> 
>>> 
>>> 
>>> 
>>> ----- Mail original ----- 
>>> 
>>> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
>>> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
>>> Cc: pve-devel at pve.proxmox.com 
>>> Envoyé: Lundi 30 Juillet 2012 10:14:50 
>>> Objet: Re: [pve-devel] KVM guest: console not working with custom kernel 
>>> 
>>> So proxmox / the tinyVNC needs the cirrus driver? 
>>> 
>>> Stefan 
>>> Am 30.07.2012 09:58, schrieb Alexandre DERUMIER: 
>>>> you can also add cirrus driver. 
>>>> 
>>>> ----- Mail original ----- 
>>>> 
>>>> De: "Stefan Priebe" <s.priebe at profihost.ag> 
>>>> À: pve-devel at pve.proxmox.com 
>>>> Envoyé: Dimanche 29 Juillet 2012 21:06:36 
>>>> Objet: [pve-devel] KVM guest: console not working with custom kernel 
>>>> 
>>>> Hello list, 
>>>> 
>>>> does anybody have an idea why i see just a white proxmox console with a 
>>>> kvm guest using a custom kernel? 
>>>> 
>>>> vesafb driver is compiled in - anything else i need? 
>>>> 
>>>> Greets, 
>>>> Stefan 
>>>> _______________________________________________ 
>>>> pve-devel mailing list 
>>>> pve-devel at pve.proxmox.com 
>>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel 
>>>> 
>>>> 
>>>> 
>>> 
>>> 
>>> 
> 
> 
> 
> -- 
> 
> -- 
> 
> 
> 
>    
> 
> Alexandre D e rumier 
> 
> Ingénieur Systèmes et Réseaux 
> 
> 
> Fixe : 03 20 68 88 85 
> 
> Fax : 03 20 68 90 88 
> 
> 
> 45 Bvd du Général Leclerc 59100 Roubaix 
> 12 rue Marivaux 75002 Paris 



More information about the pve-devel mailing list