Re: vesafb problem with 1GB Ram and possible fix

[Walt H <waltabbyh@comcast.net>]

Antonino Daplas wrote:

> I've submitted a similar patch to address problems such as the one
> you're encountering.  It just adds an extra boot option to specify
> amount of memory to remap.  Some applications will need more graphics
> memory than the minimum required to display a particular mode (such as
> for buffer flipping, offscreen caching, etc).  Attached is the message I
> sent to the list a few days ago.
> 
> Tony
> 
<Patch snipped>

One question I've been wondering about with either one of these 
approaches has to do with mode changes. I might be mistaken, but if I 
remember correctly, video mode changes aren't supported for vesa 
framebuffers. Would you ever need to allocate additional memory other 
than that allocated at startup? I'm thinking that in the small tweak 
that I did, you can perhaps not allocate enough memory for some 
unforseen future event, although I can't think of any off hand. Then 
again, I'm not a kernel programmer, I could be way off base here.

-Walt



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