-   Linux - General ( -   -   Hibernating a kernel session while
shutting down a system (  linkaran 02-28-2013 09:10 PM
Hibernating a kernel session while shutting down a system While
we shut down our system, all the user as well as kernel threads
are killed and the devices powered down. So while booting up,
you extract the kernel and then again initialize all the drivers
and other services.  Since there are not really any changes in
the running kernel, is it ok to kill off all the user processes
and hibernate the kernel session so that all the kernel threads
are frozen and devices suspended when we take the snapshot of
RAM contents? It saves time of initializing the whole kernel
session next time we boot up. But I would like to know if there
are any issues with the concept?  yowi 03-01-2013 08:41 AM  Are
you talking about suspend to disk? The cost there is writing
that snapshot of RAM to disk. Either way it has to be read from
disk on boot and that's the slow link in the chain.  I use
suspend to RAM but can