Re: who sets boot_params[].screen_info.orig_video_isVGA?

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[email protected] wrote:
> On Mon, 5 Sep 2005, Matthew Garrett wrote:
> 
>> Yup. You probably want to take a look at Documentation/fb/vesafb.txt -
>> the modes are the same.
> 
> Great, thanks! I tried VESA 0x111 (Linux 0x311) - it is also what is
> used by xfree86 vesa driver, after I've followed the suggestion from
> Tony (cc'ed and quoted below) and tried X with vesa. The kernel boots,
> intelfb driver doesn't exit, I can even start X over fb and it runs! But:
> 
> 1) both screens - LCD and CRT bocome black as soon as intelfb takes over
> and stay that way also under X
> 
> 2) kernel logs fill with
> 
> intelfb: the cursor was killed - restore it !!
> intelfb: size 8, 16   pos 0, 464
> 
> Buggy video BIOS?...

There might be a bug with the ioremap patch that got in by the time
linux-2.6.13 was released. The intelfb maintainer is still working on it.
You can try to revert that patch (just make sure that the graphics
aperture in the BIOS is set to <= 128MB) or use vesafb for now.

Here's the link to that patch:

http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=6bd49341f2806168c877e12cefca77b93437bac2;hp=89204c40a03346cd951e698d854105db4cfedc28

Tony

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