Resolution problem with i810 and Xorg 7.2

[Ghirai]

On Mon, 13 Aug 2007 09:35:59 -0500
Doug Poland <doug at polands.org> wrote:

> Just a follow-up for the archives...  I loaded the 915resolution port
> and configured my rc.conf accordingly:
> 
> i915resolution_enable="YES"
> i915resolution_modes="3c 4d 5c"
> i915resolution_width="1680"
> i915resolution_height="1050"
> 
> Xorg still failed...
> snip
> (II) I810(0): detected 7932 kB stolen memory.                                     
> (II) I810(0): Kernel reported 0 total, 0 used                                     
> (II) I810(0): I830CheckAvailableMemory: 0 kB available                            
> (WW) I810(0): /dev/agpgart is either not available, or no memory is available for allocation.  Using pre-allocated memory only.                                 
> (II) I810(0): Monitoring connected displays enabled                               
> (--) I810(0): Pre-allocated VideoRAM: 7932 kByte                                  
> (--) I810(0): VideoRAM: 7932 kByte    
> snip
> (--) I810(0): Xv is disabled because it needs 2D accel and AGPGART.
> (II) I810(0): Allocated 128 kB for the ring buffer at 0x0
> (II) I810(0): Allocating at least 136 scanlines for pixmap cache
> (II) I810(0): Initial framebuffer allocation size: 11920 kByte
> (EE) I810(0): Failed to allocate framebuffer. Is your VideoRAM set too low ??
> 
> Fatal server error:
> AddScreen/ScreenInit failed for driver 0
> 
> However, when I changed the driver in /etc/X11/xorg.conf from i810 to
> vesa:
> 
>     Identifier  "Card0"
>     #Driver      "i810"
>     Driver      "vesa"
>     VendorName  "Intel Corporation"
>     BoardName   "Mobile 945GM/GMS/940GML Express Integrated Graphics Controller"
>     BusID       "PCI:0:2:0"
> 
> Now Xorg starts fine.  I'm not sure why it worked but I'm glad it does.
> I'll go with the VESA driver unless I get any feedback or more info on
> getting i810 driver to work.
> 
> Thanks for you help.
> 
> 
> -- 
> Regards,
> Doug

I was searching couple weeks before on some compiz problems, when i ran into a post which looked similar.
The person used an option in xorg.conf to enlarge the framebuffer.
I just don't have the link anymore.

Try and search with the framebuffer error as keyword, you might find some info.

-- 
Regards,
Ghirai.