On Tuesday January 29 2008 03:17:57 pm marty wrote: > > I've noticed that when I start Xorg I see a screenshot of my previous > > Xorg session. This survives a reboot. It looks like the memory just > > becomes free when Xorg is shut down, and the image stays there until it's > > overwritten. > > I remember something weird with xorg - private disk buffers or the like. > Kernel will try to resume from swap unless you say no. I always use the > kernel option "noresume" to prevent that. Faster too. Swap space can be > cleared the same way it is made, but would present risks during the > powerdown sequence.
It can't be from swap. My swap gets a random aes key with each reboot. Is it impossible for the last data in video memory to still be there, inactively, after a reboot? robert
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