In message <[EMAIL PROTECTED]>, Warner Losh writes:
>In message <[EMAIL PROTECTED]> Mitsuru IWASAKI writes:
>: Maybe I'm wrong because of lack of my understanding on crush dump and
>: loader.  Please help us :-)
>I think that you might be able to do this.  The real tricky part maybe
>saving hardware RAM that the drivers expect to be there when you
>wakeup.  I thinking of video ram and the X server's font cache, to
>name one example.

Drivers will need a "your hardware may have been zonked" entrypoint,
think about the i8254 counter or all the weird versions of write
only or "write here - read there" I/O registers in existence.

Obviously the video driver will need to send a signal or clue to the
Xserver saying "you own the device, you'd better do something"

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED]         | TCP/IP since RFC 956
FreeBSD coreteam member | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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