Re: OpenGL-based framebuffer concepts

[Xavier Bestel]

Le mercredi 24 mai 2006 à 22:26 +0600, Alexander E. Patrakov a écrit :
> Now suppose this.
> 
> The kernel has to save the video memory contents somewhereto restore it after 
> pressing Enter. This may swap something out. Whoops, swap is on that failed disk.
> 
> Or: lock the memory in advance, to avoid the use of swap. But this is not better 
> than doing the same thing from a userspace application that shows a pop-up 
> ballon with the contents of this oops. And it won't be affected by a disk 
> failure, because it has everything already in memory.

Don't save the framebuffer. Just send a message to the client
application saying "fb is corrupted, please redraw". X11 can do it,
console can do it.

	Xav


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