Re: [Linux-fbdev-devel] Using UML to work on framebuffers

[James S. <jsi...@in...>]

Yes very much so. It woudl make my life easier.

> I have a patch for 2.5 that allows some framebuffers
> drivers (non-dma ones) to run unmodified on UML. I'm
> still working on DMA and IRQ support.
> 
> UML - user mode linux. UML runs the Linux kernel as a
> process. For example my PC is booted on 2.4 and the
> UML runs 2.5.
> 
> The advantage to this is that you can use gdb/ddd to
> debug the fb driver code. It's actually kind of neat.
> I use one gdb inside of UML to control the fbtest app
> and another gdb to step the code inside of the fb
> driver. 
> 
> Is anyone interested in trying this out? 
> 
> You need two video cards in your machine one for X and
> one for the target framebuffer.  I am using AGP for X
> and targeting a PCI Rage128.
> 
> =====
> Jon Smirl
> jon...@ya...
> 
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