Re: Switching Kernels without Rebooting?

[Helge Hafting <helgehaf@idb.hist.no>]

Kai Henningsen wrote:

> What I'd *really* like (but don't see how to get there) would be a "save
> system state, shutdown, change kernel and/or hardware, reboot, restore
> state" system (where state is like "I'm logged in on this console, in this
> current directory, and under X I have Netscape running and this page
> displayed" but I don't care about the exact state of Squid or even if my
> ISDN line is dialled in, because those "fix themselves").

Consider os/2 then.  All workplace-shell aware programs is supposed to
save
state in this way.  And yes - they do start up in the same state after
reboot if you want to.  Editors come up on the page you left, filesystem
folders comes up, and so on.  

> and then every user-visible non-transient program
> needs to implement it - and I don't see *that* happen in the next ten
> years.

Consider a patch for konqueror or a few other webpage/fs-view programs
and you'll go a long way - all in userspace.

Helge Hafting