Re: [Xen-API] xen 4.0.0 dom0 console video unreadable / scrambled

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, May 27, 2010 at 03:02:25PM -0600, michael dye wrote:
> I am following http://www.gentoo.org/doc/en/xen-guide.xml to build a new
> box for use as dom0.  For the dom0 kernel configu I used as a basis a
> previous, working config from a non-xen kernel.  That previous kernel
> (2.6.32-gentoo-r7) exhibits no console video problem.  My new xen
> kernel, however, displays suitable console output as it boots the xen
> kernel, but when it boots the dom0 kernel I compiled, the video turns to
> a multicolored, unreadable scramble.  Here are the relevant details of
> my configuration:
> 

Hello,

You're on a wrong mailinglist.. xen-users is the correct one.

> xen-enabled kernel version 2.6.32 (from sys-kernel/xen-sources 2.6.32-r1)
> xen 4.0.0 (from app-emulation/xen-4.0.0)
> xen-tools 4.0.0 (from app-emulation/xen-tools-4.0.0)
> 
> # cat /boot/grub/grub.conf
> default 0
> timeout 10
> 
> title Gentoo Linux 2.6.32-xen-r1-a + xen 4.0.0
> root (hd0,0)
> kernel /boot/xen-4.0.0.gz dom0_mem=512M loglvl=all guest_loglvl=all
> sync_console console_to_ring com1=115200,8n1 console=com1 lapic
> apic_verbosity=debug apic=debug iommu=off
> module /boot/linux-2.6.32-xen-r1-a ro root=/dev/sda3 console=hvc0
> earlyprintk=xen nomodeset initcall_debug debug loglevel=10
> 

You're using Xenlinux kernel so you shouldn't have "console=hvc0 
earlyprintk=xen" there.
Xenlinux patched kernels use xvc0 as the console.

> I have an intel 82915G/GV/910GL graphics card so I configured AGP_INTEL,
> DRM, FB, FB_BOOT_VESA_SUPPORT, FB_VGA16, FB_UVESA, FB_VESA, VGA_CONSOLE,
> FONTS, FRAMEBUFFER_CONSOLE, and DUMMY_CONSOLE into the kernel.  What am
> I missing or screwing up?  Thanks.
> 

-- Pasi


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