I'm on intrepid ibex 8.10 on a dell inspiron 8500 with nvidia geforce 4200.
For the record I now have suspend/hibernate/resume working. (haven't tried
multiple consecutive yet)
For me initially if i recall correctly, hibernate would hang on
resuming, and suspend would fail to turn the the laptop's screen back
on.
The thing that confused me most, having read all the links etc, is that
under 8.10 xorg.conf appears to be empty by default. I applied all the
other settings mentioned, and I'm not sure what cured hibernate, but
that started working first.
The thing that seemed to get the display to come back on after suspend
was running the nvidia settings program and unchecking 'sync to vblank'
under 'xvideo settings'/'video texture adapter' and rebooting. This
created some content in my xorg. I have no idea if it started working
directly or indirectly because of what I did.
I never set the NvAGP setting in the end.
-----
new xorg:
Section "Screen"
Identifier "Default Screen"
DefaultDepth 24
Option "AddARGBGLXVisuals" "True"
EndSection
Section "Module"
Load "glx"
EndSection
Section "Device"
Identifier "Default Device"
Driver "nvidia"
Option "NoLogo" "True"
EndSection
--
Nvidia binary driver requires Option "NvAGP" "1" for reliable suspend/resume
https://bugs.launchpad.net/bugs/34043
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