I810(0): VBE initialization failed

[Alan Hourihane]

On Mon, 2005-11-07 at 04:05 +0100, Jesper wrote:
> I have a Dell Inspiron 500m with 855GM chip. I have had it working fine
> for a long time with the 1400x1050 resolution of my screen.
> But Thursday after a reboot suddenly X would not longer start. It
> complained about
> (EE) I810(0): Cannot map SYS BIOS
> (EE) I810(0): VBE initialization failed.
> as can be seen in the log file.
> Before the reboot I had made a small change to the kernel. I tried
> booting the old kernel but the same. Since then I have tried several
> kernels with different configuraton (2.6.12, 2.6.13, 2.6.14), tried
> different versions of Xorg (6.8.2, 7.0RC1) but all give this error. I
> use Gentoo. I have tried to recompile most of the system, everything
> that X depends on, but nothing helps.
> I have tried booting Kubunto live CD and that starts fine, so I guess it
> is not a problem with the hardware.
> Any idea as to where the problem is?

You might want to check the permissions of Xorg, as it may be having
problems opening /dev/mem.

Alan.