Re: [Xen-users] Xen boot has poor screen resolution and fails to load X11

[Ernst Bachmann <e.bachmann@xxxxxxxx>]

On Saturday 30 July 2005 14:43, Ricardo wrote:
> Right, so I'm brand new to xen, and I've had success in making xen boot
> (kernel /boot/xen-2.0.6.gz    module /boot/vmlinuz-2.6.11-xen0), but
> there are a couple major issues.
>
> 1) The screen resolution.  I'm running a ThinkPad T30 (2366-92U, for
> those who want to know), and all the text looks fuzzy.  I can literally
> see horizontal lines pan upwards and watch the text get skewed by them.
> It's rather disconcerting (not to mention bad for the eyes), and doesn't
> happen when I boot into Gentoo normally.  How do I fix this?

Xen doesn't do anything to the screen resoution, if you compiled your dom0 
kernel with all needed stuff, it should work just fine.

Try to use the .config file of your non-xen kernel as default for your xen0 
kernel, or at least check if you have all the framebuffer, vga and console
options set the same way in your xen0.

Second cause could be boot parameters, did you make sure all boot parameters 
you have for your non-xen kernel are also applied when booting xen0?
boot both and compare "cat /proc/cmdline" to make sure.

> 2) X11.  So after Xen does its initializing business, it boots up the
> Gentoo filesystem because I've put root=/dev/hda4 in my grub.conf.  When
> it tries to start gdm, it fails completely.  How do I get Xen to support
> X11?  

What VGA card does your notebook use? do you have use proprietary drivers, 
like the nvidia kernel modules? If so, you'll have to install xen-aware 
versions of those drivers, or switch to open source drivers, like the nv 
driver for X11.

> As a tangent to this, all of Xen's binaries and such are installed
> on the Gentoo filesystem, as the installation documentation didn't
> specify that the files should go anywhere else.  Should Xen's files and
> such have been installed to a completely new root filesystem, or is it
> ok that Xen and Gentoo share?

xen0 and normal gentoo sharing one filesystem is perfectly ok.

> -Ricardo-

/Ernst

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