User-space software suspend
Posted Sep 29, 2005 9:13 UTC (Thu) by hawk
Parent article: User-space software suspend
One of the fairly big benefits of swsusp2 is that it doesn't do away with any memory that can be done away with. Doing so may be ideal from some point of view (probably simplifies stuff), but it is definitely not ideal for the user!
After a suspend/resume cycle with swsusp2 (which is actually slightly quicker than a swsusp1 cycle!) the machine is in the same state as at was before suspending, it still has the running programs in-memory, stuff cached, etc.
Swsusp1 may work "just as well" (for me at least), but it puts the system back in a very sorry state, where the system is on the verge of being unusable for some time after resuming.
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