Xen users - Jun 2008 - Cant get console with compiled paravirt_ops kernel

Im using Ubuntu 8.04 for my Xen machine (xen 3.2).
When i use Ubuntu''s stock kernel for xen (with kernel and initrd) i get
console on my vm if i specify xencons=tty.
This does however not work on my linux 2.6.25.7 kernel with paravirt ops for any
of my vms.
It just shows the init prosess and nothing more. How do i get a console up and
running?
Could it be any modules i lack in my kernel config?

//rolf

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Hi Rolf,

you are talking about ubuntu domUs, right?
This may help:
1. add/change the following in your domU config
extra="console=xvc0"
2. run the following command in Ubuntu domU:

|cat /etc/event.d/tty1 | sed "s/tty1/xvc0/" > /etc/event.d/xvc0
|


hope it helps,

Greetz Age_M


Rolf Arne Larsen schrieb:
> Im using Ubuntu 8.04 for my Xen machine (xen 3.2).
> When i use Ubuntu''s stock kernel for xen (with kernel and initrd)
i get console on my vm if i specify xencons=tty.
> This does however not work on my linux 2.6.25.7 kernel with paravirt ops
for any of my vms.
> It just shows the init prosess and nothing more. How do i get a console up
and running?
> Could it be any modules i lack in my kernel config?
>
> //rolf
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>
>   

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Xen-users@lists.xensource.com
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Sorry i forgot to mention i use debian on my domU''s.
I use these settings:
extra =''2 console=xvc0 xencons=tty''
But it doesnt seem to do the trick.
Seems strange it works with ubuntu stock xen kernel but not my 2.6.25.7
w/paravirt_ops kernel.
Could there be some support i forgot to put in my kernel?

//rolf

----- Original Message -----
From: "Age_M" <Age_M@gmx.de>
To: "Rolf Arne Larsen" <rolf@startsiden.no>
Cc: "xen-users" <xen-users@lists.xensource.com>
Sent: Tuesday, June 24, 2008 6:37:09 PM (GMT+0100) Europe/Berlin
Subject: Re: [Xen-users] Cant get console with compiled paravirt_ops kernel

Hi Rolf,

you are talking about ubuntu domUs, right?
This may help:
1. add/change the following in your domU config
extra="console=xvc0"
2. run the following command in Ubuntu domU:

|cat /etc/event.d/tty1 | sed "s/tty1/xvc0/" > /etc/event.d/xvc0
|


hope it helps,

Greetz Age_M


Rolf Arne Larsen schrieb:
> Im using Ubuntu 8.04 for my Xen machine (xen 3.2).
> When i use Ubuntu''s stock kernel for xen (with kernel and initrd)
i get console on my vm if i specify xencons=tty.
> This does however not work on my linux 2.6.25.7 kernel with paravirt ops
for any of my vms.
> It just shows the init prosess and nothing more. How do i get a console up
and running?
> Could it be any modules i lack in my kernel config?
>
> //rolf
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>
>   


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Xen-users@lists.xensource.com
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Hi Rolf,

afaik you only need CONFIG_XEN_CONSOLE in your kernel-config.
But does "extra =''2 console=xvc0 xencons=tty''" make
any sense?
Maybe you could try:

extra =''2 console=xvc0 xencons=xvc''

But I don''t use ''xencons'' at all, so I am not sure if
it works?

Greetz Age_M

Rolf Arne Larsen wrote:
> Sorry i forgot to mention i use debian on my domU''s.
> I use these settings:
> extra =''2 console=xvc0 xencons=tty''
> But it doesnt seem to do the trick.
> Seems strange it works with ubuntu stock xen kernel but not my 2.6.25.7
w/paravirt_ops kernel.
> Could there be some support i forgot to put in my kernel?
>
> //rolf
>
> ----- Original Message -----
> From: "Age_M" <Age_M@gmx.de>
> To: "Rolf Arne Larsen" <rolf@startsiden.no>
> Cc: "xen-users" <xen-users@lists.xensource.com>
> Sent: Tuesday, June 24, 2008 6:37:09 PM (GMT+0100) Europe/Berlin
> Subject: Re: [Xen-users] Cant get console with compiled paravirt_ops kernel
>
> Hi Rolf,
>
> you are talking about ubuntu domUs, right?
> This may help:
> 1. add/change the following in your domU config
> extra="console=xvc0"
> 2. run the following command in Ubuntu domU:
>
> |cat /etc/event.d/tty1 | sed "s/tty1/xvc0/" >
/etc/event.d/xvc0
> |
>
>
> hope it helps,
>
> Greetz Age_M
>
>
> Rolf Arne Larsen schrieb:
>   
>> Im using Ubuntu 8.04 for my Xen machine (xen 3.2).
>> When i use Ubuntu''s stock kernel for xen (with kernel and
initrd) i get console on my vm if i specify xencons=tty.
>> This does however not work on my linux 2.6.25.7 kernel with paravirt
ops for any of my vms.
>> It just shows the init prosess and nothing more. How do i get a console
up and running?
>> Could it be any modules i lack in my kernel config?
>>
>> //rolf
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@lists.xensource.com
>> http://lists.xensource.com/xen-users
>>
>>   
>>     
>
>   

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Xen-users@lists.xensource.com
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Rolf Arne Larsen <rolf@startsiden.no> writes:
> Sorry i forgot to mention i use debian on my domU''s.
> I use these settings:
> extra =''2 console=xvc0 xencons=tty''
> But it doesnt seem to do the trick.
> Seems strange it works with ubuntu stock xen kernel but not my 2.6.25.7
w/paravirt_ops kernel.
Try extra = ''2 console=hvc0'' instead.  (Btw 2 is probably the
default,
so can be omitted.)
-- 
Feri.

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