Re: [Xen-users] Unable to boot 3.0.0-rc kernels and Xen 4.1.1

[Christian Motschke <christian@xxxxxxxxxxx>]

Linux 3.0 has no vga support for XEN. This has ben discussed 2 weeks ago. So 
the screen is blank after boot. A patch is available somewhere (if you are 
interested in the patch, I can send it to you). You can also use the sources 
from the XEN git. Dont know the URL right now.

Viele Grüße.
Christian

Am 11.07.2011 um 06:09 schrieb "Fajar A. Nugraha" <list@xxxxxxxxx>:

> On Sun, Jul 10, 2011 at 12:21 PM, Prateek Sharma <prateek3.14@xxxxxxxxx> 
> wrote:
>> Hi
>> everyone,
>>         I've compiled 3.0.0-rc6 from kernel.org , with all the pv_ops
>> config
>> options set as per the Xen wiki. The kernel boots fine, but not
>> in
>> combination with Xen. All i get is a completely blank screen , and after
>> a
>> minute or so the machine
>> reboots.
>>         THe hypervisor seems to work OK with other (non-dom0 ,
>> 2.6.32.x)
>> kernels, i can see Xen startup messages, before it finally complains no
>> dom0
>> kernel
>> found.
>>         Is this the Xen 4 VGA issue i keep reading about? Is the
>> mainline
>> kernel truly ready for dom0 role without any patches
>> ?
> 
> Works for me. Then again I only use text mode over serial port, so
> that might make a difference.
> 
> Try disabling framebuffer/vga mode (e.g. remove "rhgb" or similar from
> grub's menu). If that doesn't work, try adding "console=hvc0" to
> kernel command line.
> 
> -- 
> Fajar
> 
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