Re: Console Framebuffer Issues / GeForce4 - Red Hat stock kernel 2.4.20-13.9

[Gutko <gutko@poczta.onet.pl>]

Robert Keith Vaughan wrote:
> Hello:
> 
> I apologize if this is the wrong list to post to, but it was suggested in a 
> post I dug up through a google search.  I normally like to figure things out 
> for myself, but this one is really starting to tick me off.
> 
> I am using Red Hat 9.0 with the stock 2.4.20-13.9 kernel.  I am attempting to 
> get framebuffer support working on the console with little success. The 
> relevant PC specs are as follows:
> 
> Athlon XP 2000+
> 1 GB RAM
> Geforce4 ti4400
> 
>>From what I have been able to ascertain, vesafb is compiled into this kernel 
> instead of loading as a module.  I looked at the information for the rivafb 
> driver and it doesn't appear to support the GeForce4 cards.  What info I have 
> been able to dig up suggests that you can get non-accelerated framebuffer 
> support for the GeForce4 using vesafb.  I cannot, however, get it to work.
> 
> I have tried to pass the following kernel arguments via grub.  All I get is a 
> blank screen"
> 
> video=vesafb,xres:1024,yres:768,bpp:16 vga=791
> 
> 	AND (just in case I COULD get the rivafb module to support it)
> 
> video=rivafb,xres:1024,yres:768,bpp:16 vga=791 
> 
> I have played around with the bpp and vga= settings (trying 8, 16 and 24 
> respectively) .  No luck.  Get a blank console up until kdm loads. And I 
> don't see anthing in the dmesg logs either.  Sigh.
> 
> When I issue fbset I get the following error:
> 
>   open /dev/fb0: No such device
> 
> Which leads me to believe that the stock kernel isn't seeing a framebuffer 
> device despite the fact that vesafb is compiled in.  
> 
> I have not yet tried to compile a custom kernel precisely because of 1.) 
> vesafb is complied into this kernel, AND 2.) Nothing I have read seems to 
> indicate that compiling rivafb into the kernel will help with my issue ( and 
> I have not been able to get rivafb to load as a module in any event...)
> 
> So, I am stumped.  I'm sure its something stupid on my part....but could 
> anyone tell me A.) what I am doing wrong here, and/or B.) if anyone has 
> gotten console framebuffer support running on a stock Red Hat kernel...
> 
> Thanks for putting up with the long winded (and I sure stupid) questions..
> 
> Keith Vaughan
> 
  try passing "mem=512M" to kernel in lilo. It worked for me...I also 
have 1GB of ram




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