Re: Can't start X with I830M chipset, 8MB preallocated video RAM

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On Mon, Dec 15, 2003 at 02:32:29PM -0800, Gabriel Bauman wrote:
> Hello,
> 
> I can't get XFree86 to start up on my laptop with an Intel 830M video
> chipset. I'm running kernel 2.4.22 and XFree86 4.3.99.901 (4.4 RC1).
> I've built and installed the latest DRI kernel stuff. AGP GART support
> is in the kernel.
> 
> My video bios pre-allocates about 8MB of shared video RAM, which should
> be more than enough for 1024x768x16 graphics. My video hardware and flat
> panel are all detected perfectly by the X server. No matter what I put
> in my config file, XFree86 still dies with "No Video BIOS modes for
> chosen depth"... It doesn't matter how low I set my resolution and color
> depth, I still get the error.
> 
> One problem seems to be that the driver's attempt to tell my BIOS about
> the extra video RAM it's allocated for X's use is failing. The thing is,
> the BIOS knows about ~8MB of video RAM without the driver telling it
> anything, and that should be enough for 1024x768x16. agpgart also sees
> 8MB of video ram at boot, so I SHOULD be able to at least get a screen
> running!
> 
> If it helps any driver developers, the BIOS I'm working with is inside a
> Dell Inspiron 2600 laptop and is release A09. I would go harass Dell but
> I don't know what to ask for. If anyone can confirm my take on this
> issue, I'd appreciate it.
> 
> I've attached the full log and config file. Sure hope someone out there
> can help!

Your config file only shows a mode for 640x480x8.

You need to fix that first.

Alan.
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