[lkml]   [2003]   [Aug]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: KDB in the mainstream 2.4.x kernels?

Andi Kleen <> writes:

> Only the X server can switch away, because only it knows how
> to talk to the graphic chipset. And running user space here is
> far too risky.

There was a proposal a long ways back to allow X to download instructions to
the kernel on how to restore the video mode. The proposal was to code the
instructions as a forth program that frobbed registers appropriately. The
kernel would have a small forth interpretor to run it. Then switching
resolutions could happen safely in the kernel.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:48    [W:0.062 / U:0.780 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site