Intel 82Q35 / framebuffer problem

[Adam Jackson]

On Fri, 2010-08-06 at 22:18 +0200, Jos Vos wrote:
> On Fri, Aug 06, 2010 at 03:26:16PM -0400, Adam Jackson wrote:
> 
> > intel-gfx at lists.freedesktop.org would be the place to go for this.  As a
> > guess, you've got LVDS attached over SDVO and we screwed that up again.
> 
> I'm happy to do that, but I hope you don't mind that in the meantime
> I'll also file a bug against RHEL6 (and there dmesg output looks even
> more scary).  Should such a bug then be filed against xorg-x11-drv-intel?

Yeah.

> Furthermore, given your "guess", would there be a workaround?

Not really.

> FWIW, I also see:
> 
> [drm] set up 7M of stolen space
> [drm:intel_init_bios] *ERROR* VBT signature missing
> [drm] failed to find VBIOS tables

This is almost certainly the root of the problem.  We don't try to set
up SDVO devices if they're not listed in the VBT, but not having a VBT
means nothing's gonna be listed.  We'll need the output from:

# dd if=/dev/mem of=/tmp/rom bs=64k skip=12 count=1

- ajax
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